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vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#History"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>History</span> </div> </a> <button aria-controls="toc-History-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle History subsection</span> </button> <ul id="toc-History-sublist" class="vector-toc-list"> <li id="toc-OGM" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#OGM"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>OGM</span> </div> </a> <ul id="toc-OGM-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-2006" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#2006"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>2006</span> </div> </a> <ul id="toc-2006-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-2007" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#2007"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.3</span> <span>2007</span> </div> </a> <ul id="toc-2007-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-2009" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#2009"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.4</span> <span>2009</span> </div> </a> <ul id="toc-2009-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-2010" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#2010"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.5</span> <span>2010</span> </div> </a> <ul id="toc-2010-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Ogg_codecs" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Ogg_codecs"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Ogg codecs</span> </div> </a> <button aria-controls="toc-Ogg_codecs-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Ogg codecs subsection</span> </button> <ul id="toc-Ogg_codecs-sublist" class="vector-toc-list"> <li id="toc-Media_types" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Media_types"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>Media types</span> </div> </a> <ul id="toc-Media_types-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Ogg</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 46 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-46" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">46 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A3%D9%88%D8%BA" title="أوغ – Arabic" lang="ar" hreflang="ar" data-title="أوغ" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Ogg" title="Ogg – Asturian" lang="ast" hreflang="ast" data-title="Ogg" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Ogg" title="Ogg – Catalan" lang="ca" hreflang="ca" data-title="Ogg" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Ogg" title="Ogg – Czech" lang="cs" hreflang="cs" data-title="Ogg" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Ogg" title="Ogg – Danish" lang="da" hreflang="da" data-title="Ogg" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Ogg" title="Ogg – German" lang="de" hreflang="de" data-title="Ogg" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Ogg" title="Ogg – Spanish" lang="es" hreflang="es" data-title="Ogg" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Ogg" title="Ogg – Esperanto" lang="eo" hreflang="eo" data-title="Ogg" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/OGG" title="OGG – Persian" lang="fa" hreflang="fa" data-title="OGG" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Ogg" title="Ogg – French" lang="fr" hreflang="fr" data-title="Ogg" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Ogg" title="Ogg – Galician" lang="gl" hreflang="gl" data-title="Ogg" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/Ogg" title="Ogg – Korean" lang="ko" hreflang="ko" data-title="Ogg" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/Ogg" title="Ogg – Armenian" lang="hy" hreflang="hy" data-title="Ogg" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Ogg" title="Ogg – Croatian" lang="hr" hreflang="hr" data-title="Ogg" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Ogg" title="Ogg – Indonesian" lang="id" hreflang="id" data-title="Ogg" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Ogg" title="Ogg – Italian" lang="it" hreflang="it" data-title="Ogg" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/Ogg" title="Ogg – Hebrew" lang="he" hreflang="he" data-title="Ogg" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-pam mw-list-item"><a href="https://pam.wikipedia.org/wiki/Ogg" title="Ogg – Pampanga" lang="pam" hreflang="pam" data-title="Ogg" data-language-autonym="Kapampangan" data-language-local-name="Pampanga" class="interlanguage-link-target"><span>Kapampangan</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Ogg" title="Ogg – Latvian" lang="lv" hreflang="lv" data-title="Ogg" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/.ogg" title=".ogg – Luxembourgish" lang="lb" hreflang="lb" data-title=".ogg" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Ogg" title="Ogg – Hungarian" lang="hu" hreflang="hu" data-title="Ogg" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/Ogg" title="Ogg – Macedonian" lang="mk" hreflang="mk" data-title="Ogg" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%93%E0%B4%97%E0%B5%8D" title="ഓഗ് – Malayalam" lang="ml" hreflang="ml" data-title="ഓഗ്" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Ogg" title="Ogg – Malay" lang="ms" hreflang="ms" data-title="Ogg" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Ogg_(bestandsindeling)" title="Ogg (bestandsindeling) – Dutch" lang="nl" hreflang="nl" data-title="Ogg (bestandsindeling)" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/Ogg" title="Ogg – Japanese" lang="ja" hreflang="ja" data-title="Ogg" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Ogg" title="Ogg – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Ogg" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Ogg" title="Ogg – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Ogg" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Ogg" title="Ogg – Polish" lang="pl" hreflang="pl" data-title="Ogg" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Ogg" title="Ogg – Portuguese" lang="pt" hreflang="pt" data-title="Ogg" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Ogg" title="Ogg – Romanian" lang="ro" hreflang="ro" data-title="Ogg" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/Ogg" title="Ogg – Russian" lang="ru" hreflang="ru" data-title="Ogg" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/Ogg" title="Ogg – Sinhala" lang="si" hreflang="si" data-title="Ogg" data-language-autonym="සිංහල" data-language-local-name="Sinhala" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Ogg" title="Ogg – Simple English" lang="en-simple" hreflang="en-simple" data-title="Ogg" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Ogg" title="Ogg – Slovak" lang="sk" hreflang="sk" data-title="Ogg" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Ogg" title="Ogg – Serbian" lang="sr" hreflang="sr" data-title="Ogg" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Ogg" title="Ogg – Finnish" lang="fi" hreflang="fi" data-title="Ogg" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Ogg" title="Ogg – Swedish" lang="sv" hreflang="sv" data-title="Ogg" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%86%E0%AE%95%E0%AF%8D" title="ஆக் – Tamil" lang="ta" hreflang="ta" data-title="ஆக்" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%86%E0%B0%97%E0%B1%8D_(OGG)" title="ఆగ్ (OGG) – Telugu" lang="te" hreflang="te" data-title="ఆగ్ (OGG)" data-language-autonym="తెలుగు" data-language-local-name="Telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/Ogg" title="Ogg – Thai" lang="th" hreflang="th" data-title="Ogg" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Ogg" title="Ogg – Turkish" lang="tr" hreflang="tr" data-title="Ogg" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/OGM" title="OGM – Ukrainian" lang="uk" hreflang="uk" data-title="OGM" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Ogg" title="Ogg – Vietnamese" lang="vi" hreflang="vi" data-title="Ogg" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/Ogg" title="Ogg – Yoruba" lang="yo" hreflang="yo" data-title="Ogg" data-language-autonym="Yorùbá" data-language-local-name="Yoruba" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/Ogg" title="Ogg – Chinese" lang="zh" hreflang="zh" data-title="Ogg" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q188199#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div 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print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For other uses, see <a href="/wiki/Ogg_(disambiguation)" class="mw-redirect mw-disambig" title="Ogg (disambiguation)">Ogg (disambiguation)</a>.</div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">"OGM" redirects here. For other uses, see <a href="/wiki/Ogm_(disambiguation)" class="mw-redirect mw-disambig" title="Ogm (disambiguation)">Ogm (disambiguation)</a>.</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><caption class="infobox-title" style="padding-bottom:0.15em;">Ogg</caption><tbody><tr><th scope="row" class="infobox-label" style="line-height:1.2em; padding-right:0.65em;"><a href="/wiki/Filename_extension" title="Filename extension">Filename extension</a></th><td class="infobox-data" style="line-height:1.35em;"><style data-mw-deduplicate="TemplateStyles:r886049734">.mw-parser-output .monospaced{font-family:monospace,monospace}</style><div class="monospaced"> .ogg, .ogv, .oga, .ogx, .ogm, .spx, .opus</div></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em; padding-right:0.65em;"><a href="/wiki/Media_type" title="Media type">Internet media type</a></th><td class="infobox-data" style="line-height:1.35em;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><div class="monospaced"> video/ogg, audio/ogg, application/ogg</div></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em; padding-right:0.65em;"><a href="/wiki/File_format#Magic_number" title="File format">Magic number</a></th><td class="infobox-data" style="line-height:1.35em;">OggS</td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em; padding-right:0.65em;">Developed by</th><td class="infobox-data" style="line-height:1.35em;"><a href="/wiki/Xiph.Org_Foundation" title="Xiph.Org Foundation">Xiph.Org Foundation</a></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em; padding-right:0.65em;">Initial release</th><td class="infobox-data" style="line-height:1.35em;">May 2003<span class="noprint">; 21 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">2003-05</span>)</span></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em; padding-right:0.65em;">Type of format</th><td class="infobox-data" style="line-height:1.35em;"><a href="/wiki/Container_format_(digital)" class="mw-redirect" title="Container format (digital)">Container format</a></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em; padding-right:0.65em;"><a href="/wiki/Digital_container_format" class="mw-redirect" title="Digital container format">Container for</a></th><td class="infobox-data" style="line-height:1.35em;"><a href="/wiki/Vorbis" title="Vorbis">Vorbis</a>, <a href="/wiki/Theora" title="Theora">Theora</a>, <a href="/wiki/Speex" title="Speex">Speex</a>, <a href="/wiki/Opus_(audio_format)" title="Opus (audio format)">Opus</a>, <a href="/wiki/FLAC" title="FLAC">FLAC</a>, <a href="/wiki/Dirac_(codec)" class="mw-redirect" title="Dirac (codec)">Dirac</a>, and others.</td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em; padding-right:0.65em;"><span class="nowrap"><a href="/wiki/Open_file_format" title="Open file format">Open format</a>?</span></th><td class="infobox-data" style="line-height:1.35em;">Yes</td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em; padding-right:0.65em;"><span class="nowrap"><a href="/wiki/Open_standard#Comparison_of_definitions" title="Open standard">Free format</a>?</span></th><td class="infobox-data" style="line-height:1.35em;">Yes<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"><table class="infobox vevent"><caption class="infobox-title summary">libogg</caption><tbody><tr><td colspan="2" class="infobox-image logo"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Ogg_Logo.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a1/Ogg_Logo.svg/220px-Ogg_Logo.svg.png" decoding="async" width="220" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a1/Ogg_Logo.svg/330px-Ogg_Logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a1/Ogg_Logo.svg/440px-Ogg_Logo.svg.png 2x" data-file-width="510" data-file-height="340" /></a></span></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Programmer" title="Programmer">Developer(s)</a></th><td class="infobox-data"><a href="/wiki/Xiph.Org_Foundation" title="Xiph.Org Foundation">Xiph.Org Foundation</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Initial release</th><td class="infobox-data">22 September 2004<span class="noprint">; 20 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">2004-09-22</span>)</span></td></tr><tr style="display: none;"><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_release_life_cycle" title="Software release life cycle">Stable release</a></th><td class="infobox-data"><div style="margin:0px;">1.3.5 / 4 June 2021<span class="noprint">; 3 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">2021-06-04</span>)</span></div></td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_categories#Categorization_approaches" title="Software categories">Type</a></th><td class="infobox-data"><a href="/wiki/Reference_implementation_(computing)" class="mw-redirect" title="Reference implementation (computing)">Reference implementation</a> (<a href="/wiki/Multiplexer" title="Multiplexer">multiplexer</a>/<a href="/wiki/Demultiplexer_(media_file)" title="Demultiplexer (media file)">demultiplexer</a>)</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_license" title="Software license">License</a></th><td class="infobox-data"><a href="/wiki/BSD-like_license" class="mw-redirect" title="BSD-like license">BSD-style license</a><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="http://downloads.xiph.org/releases/ogg/">downloads<wbr />.xiph<wbr />.org<wbr />/releases<wbr />/ogg<wbr />/</a></span></td></tr></tbody></table> <p><b>Ogg</b> is a <a href="/wiki/Free_file_format" class="mw-redirect" title="Free file format">free</a>, <a href="/wiki/Open_format" class="mw-redirect" title="Open format">open</a> <a href="/wiki/Container_format_(digital)" class="mw-redirect" title="Container format (digital)">container format</a> maintained by the <a href="/wiki/Xiph.Org_Foundation" title="Xiph.Org Foundation">Xiph.Org Foundation</a>. The authors of the Ogg format state that it is unrestricted by <a href="/wiki/Software_patent" title="Software patent">software patents</a><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> and is designed to provide for efficient <a href="/wiki/Streaming_media" title="Streaming media">streaming</a> and manipulation of high-quality <a href="/wiki/Digital_multimedia" class="mw-redirect" title="Digital multimedia">digital multimedia</a>. Its name is derived from "ogging", <a href="/wiki/Jargon" title="Jargon">jargon</a> from the computer game <i><a href="/wiki/Netrek" title="Netrek">Netrek</a></i>.<sup id="cite_ref-ogging_4-0" class="reference"><a href="#cite_note-ogging-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>The Ogg container format can <a href="/wiki/Time-division_multiplexing" title="Time-division multiplexing">multiplex</a> a number of independent <a href="/wiki/Stream_(computing)" title="Stream (computing)">streams</a> for <a href="/wiki/Sound" title="Sound">audio</a>, <a href="/wiki/Video" title="Video">video</a>, text (such as <a href="/wiki/Subtitles" title="Subtitles">subtitles</a>), and <a href="/wiki/Metadata" title="Metadata">metadata</a>. </p><p>In the Ogg multimedia framework, <a href="/wiki/Theora" title="Theora">Theora</a> provides a <a href="/wiki/Lossy" class="mw-redirect" title="Lossy">lossy</a> video layer. The <a href="/wiki/Audio_coding_format" title="Audio coding format">audio layer</a> is most commonly provided by the music-oriented <a href="/wiki/Vorbis" title="Vorbis">Vorbis</a> <a href="/wiki/Bitstream_format" title="Bitstream format">format</a> or its successor <a href="/wiki/Opus_(audio_format)" title="Opus (audio format)">Opus</a>. <a href="/wiki/Lossless_compression" title="Lossless compression">Lossless</a> audio compression formats include <a href="/wiki/FLAC" title="FLAC">FLAC</a>, and <a href="/wiki/OggPCM" class="mw-redirect" title="OggPCM">OggPCM</a>. </p><p>Before 2007, the .ogg <a href="/wiki/Filename_extension" title="Filename extension">filename extension</a> was used for all files whose content used the Ogg container format. Since 2007, the Xiph.Org Foundation recommends that .ogg only be used for Ogg Vorbis audio files. The Xiph.Org Foundation decided to create a new set of file extensions and media types to describe different types of content such as .oga for audio only files, .ogv for video with or without sound (including Theora), and .ogx for multiplexed Ogg.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p>As of November 7, 2017, the current version of the Xiph.Org Foundation's reference implementation is libogg 1.3.3.<sup id="cite_ref-release-1.3.3_6-0" class="reference"><a href="#cite_note-release-1.3.3-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> Another version, libogg2, has been in development, but is awaiting a rewrite as of 2018.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> Both <a href="/wiki/Library_(computing)" title="Library (computing)">software libraries</a> are <a href="/wiki/Free_software" title="Free software">free software</a>, released under the <a href="/wiki/New_BSD_License" class="mw-redirect" title="New BSD License">New BSD License</a>. Ogg reference implementation was separated from Vorbis on September 2, 2000.<sup id="cite_ref-ogg-separated_8-0" class="reference"><a href="#cite_note-ogg-separated-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p>Ogg's various <a href="/wiki/Codec" title="Codec">codecs</a> have been incorporated into a number of different free and <a href="/wiki/Proprietary_software" title="Proprietary software">proprietary</a> <a href="/wiki/Media_player_(application_software)" class="mw-redirect" title="Media player (application software)">media players</a>, both commercial and non-commercial, as well as <a href="/wiki/Portable_media_player" title="Portable media player">portable media players</a> and <a href="/wiki/GPS" class="mw-redirect" title="GPS">GPS</a> receivers from different manufacturers. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Naming">Naming</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ogg&action=edit&section=1" title="Edit section: Naming"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Vorbis" title="Vorbis">Ogg Vorbis</a> project started in 1993. It was originally named "Squish" but that name was already trademarked, so the project underwent a name change. The new name, "OggSquish", was used until 2001 when it was changed again to "Ogg". Ogg has since come to refer to the <a href="/wiki/Container_format_(digital)" class="mw-redirect" title="Container format (digital)">container format</a>, which is now part of the larger Xiph.org multimedia project. Today, "Squish" (now known as "Vorbis") refers to a particular <a href="/wiki/Audio_coding_format" title="Audio coding format">audio coding format</a> typically used with the Ogg container format. </p><p>Ogg is derived from "ogging", <a href="/wiki/Jargon" title="Jargon">jargon</a> from the computer game <i><a href="/wiki/Netrek" title="Netrek">Netrek</a></i>, which came to mean doing something forcefully, possibly without consideration of the drain on future resources.<sup id="cite_ref-ogging_4-1" class="reference"><a href="#cite_note-ogging-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability"><span title="The URL talks about intentional suicide runs to take out more powerful enemies which is nearly the exact opposite of not caring about future resources; it's a weighed decision to expend resources to remove a threat that would result in even worse resource loss in the future (August 2024)">failed verification</span></a></i>]</sup> At its inception, the Ogg project was thought by the authors to be somewhat ambitious given the limited power of the <a href="/wiki/IBM_PC_compatible" class="mw-redirect" title="IBM PC compatible">PC</a> hardware of the time. Although the name "Ogg" is unrelated to the character "<a href="/wiki/Nanny_Ogg" title="Nanny Ogg">Nanny Ogg</a>" in <a href="/wiki/Terry_Pratchett" title="Terry Pratchett">Terry Pratchett</a>'s <i><a href="/wiki/Discworld" title="Discworld">Discworld</a></i> novels, "Vorbis" is named after another Terry Pratchett character from the book <i><a href="/wiki/Small_Gods" title="Small Gods">Small Gods</a></i>.<sup id="cite_ref-xiphname_9-0" class="reference"><a href="#cite_note-xiphname-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="File_format">File format</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ogg&action=edit&section=2" title="Edit section: File format"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The "Ogg" <a href="/wiki/Bitstream_format" title="Bitstream format">bitstream format</a>, designed principally by the Xiph.Org Foundation, has been developed as the framework of a larger initiative aimed at producing a set of components for the coding and decoding of multimedia files, which are available free of charge and freely re-implementable in software and hardware. </p><p>The format consists of chunks of data each called an "<a href="/wiki/Ogg_page" class="mw-redirect" title="Ogg page">Ogg page</a>". Each page begins with the characters "OggS" to identify the file as Ogg format. </p><p>A "serial number" and "page number" in the page header identifies each page as part of a series of pages making up a <a href="/wiki/Bitstream" title="Bitstream">bitstream</a>. Multiple bitstreams may be <a href="/wiki/Multiplexing" title="Multiplexing">multiplexed</a> in the file where pages from each bitstream are ordered by the seek time of the contained data. Bitstreams may also be appended to existing files, a process known as "chaining", to cause the bitstreams to be decoded in sequence. </p><p>A <a href="/wiki/BSD_licenses" title="BSD licenses">BSD-licensed</a> library, called "libvorbis", is available to encode and decode data from "Vorbis" streams. Independent Ogg implementations are used in several projects such as <a href="/wiki/RealPlayer" title="RealPlayer">RealPlayer</a> and a set of <a href="/wiki/DirectShow" title="DirectShow">DirectShow</a> filters.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p><p>Mogg, the "Multi-Track-Single-Logical-Stream Ogg-Vorbis", is the multi-channel or multi-track Ogg file format. </p> <div class="mw-heading mw-heading3"><h3 id="Page_structure">Page structure</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ogg&action=edit&section=3" title="Edit section: Page structure"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Ogg_page" class="mw-redirect" title="Ogg page">Ogg page</a></div> <p>The following is the field layout of an Ogg page header: </p> <figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:Ogg_page_header_structure_(en).svg" class="mw-file-description" title="The field layout of an Ogg page header"><img alt="The field layout of an Ogg page header" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Ogg_page_header_structure_%28en%29.svg/512px-Ogg_page_header_structure_%28en%29.svg.png" decoding="async" width="512" height="246" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Ogg_page_header_structure_%28en%29.svg/768px-Ogg_page_header_structure_%28en%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Ogg_page_header_structure_%28en%29.svg/1024px-Ogg_page_header_structure_%28en%29.svg.png 2x" data-file-width="655" data-file-height="315" /></a><figcaption>The field layout of an Ogg page header</figcaption></figure> <dl><dt>Capture pattern – 32 bits</dt> <dd>The capture pattern or sync code is a <a href="/wiki/Magic_number_(programming)" title="Magic number (programming)">magic number</a> used to ensure synchronization when parsing Ogg files. Every page starts with the four ASCII character sequence, "OggS". This assists in resynchronizing a parser in cases where data has been lost or is corrupted, and is a sanity check before commencing parsing of the page structure.</dd></dl> <dl><dt>Version – 8 bits</dt> <dd>This field indicates the version of the Ogg bitstream format, to allow for future expansion. It is currently mandated to be 0.</dd></dl> <dl><dt>Header type – 8 bits</dt> <dd>This is an 8 bit field of flags, which indicates the type of page that follows.</dd></dl> <dl><dd><table class="wikitable"> <tbody><tr> <th style="width:5%;">Bit </th> <th style="width:10%;">Value </th> <th style="width:10%;">Flag </th> <th style="width:75%;">Page type </th></tr> <tr> <td>0 </td> <td>0x01 </td> <td>Continuation </td> <td>The first packet on this page is a continuation of the previous packet in the logical bitstream. </td></tr> <tr> <td>1 </td> <td>0x02 </td> <td>BOS </td> <td>Beginning Of Stream. This page is the first page in the logical bitstream. The BOS flag must be set on the first page of every logical bitstream, and must not be set on any other page. </td></tr> <tr> <td>2 </td> <td>0x04 </td> <td>EOS </td> <td>End Of Stream. This page is the last page in the logical bitstream. The EOS flag must be set on the final page of every logical bitstream, and must not be set on any other page. </td></tr></tbody></table></dd></dl> <dl><dt>Granule position – 64 bits</dt> <dd>A granule position is the time marker in Ogg files. It is an abstract value, whose meaning is determined by the codec. It may, for example, be a count of the number of samples, the number of frames or a more complex scheme.</dd></dl> <dl><dt>Bitstream serial number – 32 bits</dt> <dd>This field is a serial number that identifies a page as belonging to a particular logical bitstream. Each logical bitstream in a file has a unique value, and this field allows implementations to deliver the pages to the appropriate decoder. In a typical Vorbis and Theora file, one stream is the audio (Vorbis), and the other is the video (Theora)</dd></dl> <dl><dt>Page sequence number – 32 bits</dt> <dd>This field is a monotonically increasing field for each logical bitstream. The first page is 0, the second 1, etc. This allows implementations to detect when data has been lost.</dd></dl> <dl><dt><a href="/wiki/Checksum" title="Checksum">Checksum</a> – 32 bits</dt> <dd>This field provides a <a href="/wiki/CRC32" class="mw-redirect" title="CRC32">CRC32</a> checksum of the data in the entire page (including the page header, calculated with the checksum field set to 0). This allows verification that the data has not been corrupted since it was authored. Pages that fail the checksum should be discarded. The checksum is generated using a polynomial value of 0x04C11DB7.</dd></dl> <dl><dt>Page segments – 8 bits</dt> <dd>This field indicates the number of segments that exist in this page. It also indicates how many bytes are in the segment table that follows this field. There can be a maximum of 255 segments in any one page.</dd></dl> <dl><dt>Segment table</dt> <dd>The segment table is an array of 8-bit values, each indicating the length of the corresponding segment within the page body. The number of segments is determined from the preceding page segments field. Each segment is between 0 and 255 bytes in length.</dd></dl> <p>The segments provide a way to group segments into packets, which are meaningful units of data for the decoder. When the segment's length is indicated to be 255, this indicates that the following segment is to be concatenated to this one and is part of the same packet. When the segment's length is 0–254, this indicates that this segment is the final segment in this packet. Where a packet's length is a multiple of 255, the final segment is length 0. </p><p>Where the final packet continues on the next page, the final segment value is 255, and the continuation flag is set on the following page to indicate that the start of the new page is a continuation of last page. </p> <div class="mw-heading mw-heading3"><h3 id="Metadata">Metadata</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ogg&action=edit&section=4" title="Edit section: Metadata"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Vorbis_comment" title="Vorbis comment">Vorbis comment</a></div> <p><a href="/wiki/Vorbis_comment" title="Vorbis comment">VorbisComment</a> is a base-level Metadata format initially authored for use with Ogg Vorbis. It has since been adopted in the specifications of Ogg encapsulations for other Xiph.Org codecs including <a href="/wiki/Theora" title="Theora">Theora</a>, <a href="/wiki/Speex" title="Speex">Speex</a>, <a href="/wiki/FLAC" title="FLAC">FLAC</a> and <a href="/wiki/Opus_(audio_format)" title="Opus (audio format)">Opus</a>. <i>VorbisComment</i> is the simplest and most widely supported mechanism for storing metadata with Xiph.Org codecs.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p><p>Notably,<sup class="noprint Inline-Template" style="margin-left:0.1em; white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Attribution_needed" title="Wikipedia:Attribution needed"><span title="This sentence may contain perspectives and opinions without stating whose they are. (October 2021)">attribution needed</span></a></i>]</sup> one or more <kbd>METADATA_BLOCK_PICTURE=</kbd>... in a <i>VorbisComment</i> for thumbnails and cover art have <a href="/wiki/Base64" title="Base64">Base64</a>-encoded values of the corresponding <a href="/wiki/FLAC#Metadata" title="FLAC">FLAC</a> <kbd>METADATA_BLOCK_PICTURE</kbd>. In other words, FLAC stores thumbnails and cover art in binary blocks—outside of the FLAC tags in a <a href="/wiki/Little-endian" class="mw-redirect" title="Little-endian">little-endian</a> <kbd>METADATA_BLOCK_VORBIS_COMMENT</kbd>.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p><p>Other existing and proposed mechanisms are:<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p> <ul><li><a href="/wiki/FLAC" title="FLAC">FLAC</a> metadata blocks</li> <li>Ogg Skeleton<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/Continuous_Media_Markup_Language" title="Continuous Media Markup Language">Continuous Media Markup Language</a> (deprecated)</li></ul> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ogg&action=edit&section=5" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="thumb tright" style=""><div class="thumbinner" style="width:152px"><div class="center noresize" style="width:152px;"> <span class="mw-default-size" typeof="mw:File"><a href="/wiki/File:Play_ogg.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/1/11/Play_ogg.png" decoding="async" width="152" height="51" class="mw-file-element" data-file-width="152" data-file-height="51" /></a></span></div><div class="thumbcaption">The <i>Play Ogg</i> web button</div></div></div> <p>The Ogg project began with a simple audio compression package as part of a larger project in 1993.<sup id="cite_ref-xiphname_9-1" class="reference"><a href="#cite_note-xiphname-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> The software was originally named <i>Squish</i> but due to an existing trade mark it was renamed to <i><a href="/wiki/Ogg_Squish" title="Ogg Squish">OggSquish</a></i>. This name was later used for the whole Ogg project. In 1997, the Xiphophorus OggSquish was described as "an attempt both to create a flexible compressed audio format for modern audio applications as well as to provide the first audio format that is common on any and every modern computer platform".<sup id="cite_ref-oggsquish-1997_16-0" class="reference"><a href="#cite_note-oggsquish-1997-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> The OggSquish was in 2000 referred to as "a group of several related multimedia and signal processing projects". In 2000, two projects were in active development for planned release: Ogg Vorbis format and libvorbis—the reference implementation of Vorbis. Research also included work on future video and lossless audio coding.<sup id="cite_ref-xiphname_9-2" class="reference"><a href="#cite_note-xiphname-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-squish-ogg_17-0" class="reference"><a href="#cite_note-squish-ogg-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-oggsquish-bitstream_18-0" class="reference"><a href="#cite_note-oggsquish-bitstream-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-oggsquish-2001_19-0" class="reference"><a href="#cite_note-oggsquish-2001-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-oggsquish-ogg_20-0" class="reference"><a href="#cite_note-oggsquish-ogg-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> In 2001, OggSquish was renamed to <i>Ogg</i> and it was described as "the umbrella for a group of several related multimedia and signal processing projects".<sup id="cite_ref-xiphname-2_21-0" class="reference"><a href="#cite_note-xiphname-2-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> Ogg has come to stand for the <a href="/wiki/File_format" title="File format">file format</a>, as part of the larger Xiph.org multimedia project. Squish became just the name of one of the Ogg codecs.<sup id="cite_ref-xiphname_9-3" class="reference"><a href="#cite_note-xiphname-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> In 2009, Ogg is described as "a multimedia container format, and the native file and stream format for the Xiph.org multimedia codecs".<sup id="cite_ref-ogg-2009_22-0" class="reference"><a href="#cite_note-ogg-2009-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> </p><p>The Ogg reference implementation was separated from Vorbis on September 2, 2000.<sup id="cite_ref-ogg-separated_8-1" class="reference"><a href="#cite_note-ogg-separated-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p>In May 2003, two Internet <a href="/wiki/Request_for_Comments" title="Request for Comments">RFCs</a> were published relating to the format. The Ogg bitstream was defined in <style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style>RFC <a rel="nofollow" class="external text" href="https://datatracker.ietf.org/doc/html/rfc3533">3533</a> (which is classified as 'informative') and its <a href="/wiki/MIME_content_type" class="mw-redirect" title="MIME content type">Internet content type</a> (<code>application/ogg</code>) in <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222">RFC <a rel="nofollow" class="external text" href="https://datatracker.ietf.org/doc/html/rfc3534">3534</a> (which is, as of 2006<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Ogg&action=edit">[update]</a></sup>, a proposed standard protocol). In September 2008, RFC 3534 was obsoleted by <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222">RFC <a rel="nofollow" class="external text" href="https://datatracker.ietf.org/doc/html/rfc5334">5334</a>, which added content types <code>video/ogg</code>, <code>audio/ogg</code> and filename extensions .ogx, .ogv, .oga, .spx. </p> <div class="mw-heading mw-heading3"><h3 id="OGM">OGM</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ogg&action=edit&section=6" title="Edit section: OGM"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In 2002, the lack of formal video support in Ogg resulted in the development of the <i>OGM</i> file format, a hack on Ogg that allowed embedding of video from the Microsoft <a href="/wiki/DirectShow" title="DirectShow">DirectShow</a> framework into an Ogg-based wrapper. OGM was initially supported only by closed source Windows-only tools, but the codebase was subsequently opened. Later, video (and subtitle) support were formally specified for Ogg but in a manner incompatible with OGM. Independently, the <a href="/wiki/Matroska" title="Matroska">Matroska</a> container format reached maturity and provided an alternative for people interested in combining Vorbis audio and arbitrary video codecs. As a result, OGM is no longer supported or developed and is formally discouraged by Xiph.org.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> Today, video in Ogg is found with the .ogv file extension, which is formally specified and officially supported. Software and codecs that support .ogm files are available without charge.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="2006">2006</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ogg&action=edit&section=7" title="Edit section: 2006"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Although Ogg had not reached anywhere near the ubiquity of the <a href="/wiki/MPEG" class="mw-redirect" title="MPEG">MPEG</a> standards<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> (e.g., <a href="/wiki/MP3" title="MP3">MP3</a>/<a href="/wiki/MP4" class="mw-redirect" title="MP4">MP4</a>), as of 2006<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Ogg&action=edit">[update]</a></sup>, it was commonly used to encode <a href="/wiki/Free_content" title="Free content">free content</a> (such as free music, multimedia on <a href="/wiki/Wikimedia_Foundation" title="Wikimedia Foundation">Wikimedia Foundation</a> projects and <a href="/wiki/Creative_Commons" title="Creative Commons">Creative Commons</a> files) and had started to be supported by a significant minority of <a href="/wiki/Digital_audio_player" class="mw-redirect" title="Digital audio player">digital audio players</a>. Also supporting the Ogg format were many popular video game engines, including <i><a href="/wiki/Doom_3" title="Doom 3">Doom 3</a></i>, <i><a href="/wiki/Unreal_Tournament_2004" title="Unreal Tournament 2004">Unreal Tournament 2004</a></i>, <i><a href="/wiki/Halo:_Combat_Evolved" title="Halo: Combat Evolved">Halo: Combat Evolved</a></i>, <i><a href="/wiki/Jets%27n%27Guns" title="Jets'n'Guns">Jets'n'Guns</a></i>, <i><a href="/wiki/Mafia:_The_City_of_Lost_Heaven" class="mw-redirect" title="Mafia: The City of Lost Heaven">Mafia: The City of Lost Heaven</a></i>, <i><a href="/wiki/Myst_IV:_Revelation" title="Myst IV: Revelation">Myst IV: Revelation</a></i>, <i><a href="/wiki/StepMania" title="StepMania">StepMania</a></i>, <i><a href="/wiki/Serious_Sam:_The_Second_Encounter" title="Serious Sam: The Second Encounter">Serious Sam: The Second Encounter</a></i>, <i><a href="/wiki/Lineage_2" class="mw-redirect" title="Lineage 2">Lineage 2</a></i>, <i><a href="/wiki/Vendetta_Online" title="Vendetta Online">Vendetta Online</a></i>, <i><a href="/wiki/Battlefield_2" title="Battlefield 2">Battlefield 2</a></i>, and the <i><a href="/wiki/Grand_Theft_Auto" title="Grand Theft Auto">Grand Theft Auto</a></i> engines, as well as the audio files of the <a href="/wiki/Java_(programming_language)" title="Java (programming language)">Java</a>-based game, <i><a href="/wiki/Minecraft" title="Minecraft">Minecraft</a></i>. The more popular Vorbis codec had built-in support on many software players, and extensions were available for nearly all the rest. </p> <div class="mw-heading mw-heading3"><h3 id="2007">2007</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ogg&action=edit&section=8" title="Edit section: 2007"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>On May 16, 2007, the <a href="/wiki/Free_Software_Foundation" title="Free Software Foundation">Free Software Foundation</a> started a campaign to increase the use of Vorbis "as an ethically, legally and technically superior audio alternative to the proprietary MP3 format".<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> People were also encouraged to support the campaign by adding a web button to their <a href="/wiki/Website" title="Website">website</a> or <a href="/wiki/Blog" title="Blog">blog</a>. For those who did not want to download and use the FSF's suggested Ogg player (<a href="/wiki/VLC_media_player" title="VLC media player">VLC</a>), the <a href="/wiki/Xiph" class="mw-redirect" title="Xiph">Xiph.Org Foundation</a> had an official codec<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> for <a href="/wiki/QuickTime" title="QuickTime">QuickTime</a>-based applications in <a href="/wiki/Microsoft_Windows" title="Microsoft Windows">Windows</a> and <a href="/wiki/Mac_OS_X" class="mw-redirect" title="Mac OS X">Mac OS X</a>, such as <a href="/wiki/ITunes" title="ITunes">iTunes</a> players and <a href="/wiki/IMovie" title="IMovie">iMovie</a> applications; and Windows users could install a <a href="/wiki/Windows_Media_Player" title="Windows Media Player">Windows Media Player</a> Ogg codec.<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="2009">2009</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ogg&action=edit&section=9" title="Edit section: 2009"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>By June 30, 2009, the Ogg container, through the use of the Theora and Vorbis, was the only container format included in <a href="/wiki/Mozilla_Firefox_3.5" class="mw-redirect" title="Mozilla Firefox 3.5">Firefox 3.5</a> web browser's implementation of the <a href="/wiki/HTML5" title="HTML5">HTML5</a> <code><video></code> and <code><audio></code> elements.<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> This was in accordance with the original recommendation outlined in, but later removed from, the HTML5 draft specification (see <a href="/wiki/Ogg_controversy" class="mw-redirect" title="Ogg controversy">Ogg controversy</a>). </p> <div class="mw-heading mw-heading3"><h3 id="2010">2010</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ogg&action=edit&section=10" title="Edit section: 2010"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>On March 3, 2010, a technical analysis by an <a href="/wiki/FFmpeg" title="FFmpeg">FFmpeg</a> developer was critical about the general purpose abilities of Ogg as a multimedia container format.<sup id="cite_ref-ogg-analysis_31-0" class="reference"><a href="#cite_note-ogg-analysis-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> The author of Ogg later responded to these claims in an article of his own.<sup id="cite_ref-ogg-analysis-answer_32-0" class="reference"><a href="#cite_note-ogg-analysis-answer-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Ogg_codecs">Ogg codecs</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ogg&action=edit&section=11" title="Edit section: Ogg codecs"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ogg is only a container format. The actual audio or video encoded by a codec is stored inside an Ogg container. Ogg containers may contain streams encoded with multiple codecs; for example, a video file with sound contains data encoded by both an audio codec and a video codec. </p><p>Being a container format, Ogg can embed audio and video in various formats<sup id="cite_ref-ogg-mime_33-0" class="reference"><a href="#cite_note-ogg-mime-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-iana_34-0" class="reference"><a href="#cite_note-iana-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> (such as <a href="/wiki/Dirac_(codec)" class="mw-redirect" title="Dirac (codec)">Dirac</a>, <a href="/wiki/Multiple-image_Network_Graphics" title="Multiple-image Network Graphics">MNG</a>, <a href="/wiki/CELT" title="CELT">CELT</a>, <a href="/wiki/MPEG-4" title="MPEG-4">MPEG-4</a>, <a href="/wiki/MP3" title="MP3">MP3</a> and others) but Ogg was intended to be, and usually is, used with the following <a href="/wiki/Xiph.org" class="mw-redirect" title="Xiph.org">Xiph.org</a> free codecs: </p> <ul><li>Audio <ul><li><a href="/wiki/Lossy_data_compression" class="mw-redirect" title="Lossy data compression">Lossy</a> <ul><li><a href="/wiki/Speex" title="Speex">Speex</a>: handles voice data at low bitrates (~2.1–32 kbit/s/channel)</li> <li><a href="/wiki/Vorbis" title="Vorbis">Vorbis</a>: handles general audio data at mid to high-level <a href="/wiki/Variable_bitrate" title="Variable bitrate">variable bitrates</a> (≈16–500 kbit/s per channel)</li> <li><a href="/wiki/Opus_(codec)" class="mw-redirect" title="Opus (codec)">Opus</a>: handles voice, music and generic audio at low and high variable bitrates (≈6–510 kbit/s per channel)</li></ul></li> <li><a href="/wiki/Lossless_data_compression" class="mw-redirect" title="Lossless data compression">Lossless</a> <ul><li><a href="/wiki/FLAC" title="FLAC">FLAC</a> handles archival and high-fidelity audio data.</li> <li>OggPCM allows storing standard uncompressed <a href="/wiki/Pulse-code_modulation" title="Pulse-code modulation">PCM</a> audio in an Ogg container<sup id="cite_ref-xiphwiki-oggpcm_35-0" class="reference"><a href="#cite_note-xiphwiki-oggpcm-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup></li></ul></li></ul></li> <li>Video <ul><li><a href="/wiki/Lossy_data_compression" class="mw-redirect" title="Lossy data compression">Lossy</a> <ul><li><a href="/wiki/Theora" title="Theora">Theora</a>: based upon <a href="/wiki/On2" class="mw-redirect" title="On2">On2</a>'s <a href="/wiki/VP3" title="VP3">VP3</a>, it is targeted at competing with <a href="/wiki/MPEG-4" title="MPEG-4">MPEG-4</a> video (for example, encoded with <a href="/wiki/DivX" title="DivX">DivX</a> or <a href="/wiki/Xvid" title="Xvid">Xvid</a>), <a href="/wiki/RealVideo" title="RealVideo">RealVideo</a>, or <a href="/wiki/Windows_Media_Video" title="Windows Media Video">Windows Media Video</a>.</li> <li><a href="/wiki/Daala" title="Daala">Daala</a>: a video coding format under development.</li> <li>Tarkin: an experimental and now obsolete video codec developed in 2000, 2001 and 2002 utilizing <a href="/wiki/Discrete_wavelet_transform" title="Discrete wavelet transform">discrete wavelet transforms</a> in the three <a href="/wiki/Dimension" title="Dimension">dimensions</a> of width, height, and time.<sup id="cite_ref-oggsquish-2001_19-1" class="reference"><a href="#cite_note-oggsquish-2001-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-36" class="reference"><a href="#cite_note-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-37" class="reference"><a href="#cite_note-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-38" class="reference"><a href="#cite_note-38"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup> It has been put on hold after Theora became the main focus for video encoding (in August 2002).<sup id="cite_ref-39" class="reference"><a href="#cite_note-39"><span class="cite-bracket">[</span>39<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/Dirac_(codec)" class="mw-redirect" title="Dirac (codec)">Dirac</a>: a free and open video format developed by the <a href="/wiki/BBC" title="BBC">BBC</a>. Uses wavelet encoding.<sup id="cite_ref-40" class="reference"><a href="#cite_note-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup></li></ul></li> <li><a href="/wiki/Lossless_data_compression" class="mw-redirect" title="Lossless data compression">Lossless</a> <ul><li><a href="/wiki/Dirac_(codec)" class="mw-redirect" title="Dirac (codec)">Dirac</a>: a part of the specification of dirac covers lossless compression.</li> <li><a href="/wiki/Daala" title="Daala">Daala</a>: a video coding format under development.</li></ul></li></ul></li> <li><span id="ogg-codecs-text">Text</span> <ul><li><a href="/wiki/Continuous_Media_Markup_Language" title="Continuous Media Markup Language">Continuous Media Markup Language</a>: a text/application codec for timed metadata, captioning, and formatting.</li> <li><a href="/wiki/Annodex" title="Annodex">Annodex</a>: A free and open source set of standards developed by <a href="/wiki/CSIRO" title="CSIRO">CSIRO</a> to annotate and index networked media.</li> <li>OggKate: An overlay codec, originally designed for karaoke and text, that can be multiplexed in Ogg.<sup id="cite_ref-41" class="reference"><a href="#cite_note-41"><span class="cite-bracket">[</span>41<span class="cite-bracket">]</span></a></sup></li></ul></li></ul> <div class="mw-heading mw-heading3"><h3 id="Media_types">Media types</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ogg&action=edit&section=12" title="Edit section: Media types"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ogg audio media is registered as <a href="/wiki/Internet_Assigned_Numbers_Authority" title="Internet Assigned Numbers Authority">IANA</a> <a href="/wiki/Media_type" title="Media type">media type</a> <kbd>audio/ogg</kbd> with file extensions <kbd>.oga</kbd>, <kbd>.ogg</kbd>, and <kbd><a href="/wiki/Speex" title="Speex">.spx</a></kbd>. It is a proper subset of the Ogg video media type <kbd>video/ogg</kbd> with file extension <kbd>.ogv</kbd>. Other Ogg applications use media type <kbd>application/ogg</kbd> with file extension <kbd>.ogx</kbd>; this is a superset of <kbd>video/ogg</kbd>.<sup id="cite_ref-iana_34-1" class="reference"><a href="#cite_note-iana-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> The <a href="/wiki/Opus_(audio_format)" title="Opus (audio format)">Opus</a> media type <kbd>audio/opus</kbd> with file extension <kbd>.opus</kbd> was registered later in <a href="/wiki/Request_for_Comments" title="Request for Comments">RFC</a> <span class="plainlinks"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a rel="nofollow" class="external text" href="https://datatracker.ietf.org/doc/html/rfc7587">7587</a> and <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a rel="nofollow" class="external text" href="https://datatracker.ietf.org/doc/html/rfc7845">7845</a></span>. </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ogg&action=edit&section=13" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1184024115">.mw-parser-output .div-col{margin-top:0.3em;column-width:30em}.mw-parser-output .div-col-small{font-size:90%}.mw-parser-output .div-col-rules{column-rule:1px solid #aaa}.mw-parser-output .div-col dl,.mw-parser-output .div-col ol,.mw-parser-output .div-col ul{margin-top:0}.mw-parser-output .div-col li,.mw-parser-output .div-col dd{page-break-inside:avoid;break-inside:avoid-column}</style><div class="div-col" style="column-width: 25em;"> <ul><li><a href="/wiki/Audio_data_compression" class="mw-redirect" title="Audio data compression">Audio data compression</a></li> <li><a href="/wiki/Comparison_of_audio_coding_formats" title="Comparison of audio coding formats">Comparison of audio coding formats</a></li> <li><a href="/wiki/Comparison_of_container_formats" class="mw-redirect" title="Comparison of container formats">Comparison of container formats</a></li> <li><a href="https://commons.wikimedia.org/wiki/Commons:file_types" class="extiw" title="commons:Commons:file types">Commons:file types</a></li> <li><a href="/wiki/Use_of_Ogg_formats_in_HTML5" title="Use of Ogg formats in HTML5">Use of Ogg formats in HTML5</a></li> <li><a href="https://commons.wikimedia.org/wiki/Help:Converting_video" class="extiw" title="commons:Help:Converting video">Wikimedia Commons' Theora video conversion help page</a></li> <li><a href="/wiki/Wikipedia:Media_help_(Ogg)" class="mw-redirect" title="Wikipedia:Media help (Ogg)">Wikipedia:Media help (Ogg)</a> Installing audio and video software</li></ul> </div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ogg&action=edit&section=14" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-columns references-column-width" style="column-width: 30em;"> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation techreport cs1"><a rel="nofollow" class="external text" href="https://www.loc.gov/preservation/digital/formats/fdd/fdd000026.shtml"><i>Ogg File Format</i></a> (Full draft). 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Retrieved <span class="nowrap">2019-01-14</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=libogg+1.3.3+release&rft.date=2017-11-07&rft.aulast=Giles&rft.aufirst=Ralph&rft_id=http%3A%2F%2Flists.xiph.org%2Fpipermail%2Fogg-dev%2F2017-November%2F001933.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOgg" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGiles2008" class="citation mailinglist cs1">Giles, Ralph (2008-01-05). <a rel="nofollow" class="external text" href="http://lists.xiph.org/pipermail/commits/2008-January/012792.html">"r14372 - in trunk/theora: . lib/dec lib/enc"</a>. <i>xiph-commits</i> (Mailing list). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20201003153343/http://lists.xiph.org/pipermail/commits/2008-January/012792.html">Archived</a> from the original on 2020-10-03<span class="reference-accessdate">. Retrieved <span class="nowrap">2019-01-14</span></span>. <q>This library was never released and now looks like it needs to be redesigned.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=r14372+-+in+trunk%2Ftheora%3A+.+lib%2Fdec+lib%2Fenc&rft.date=2008-01-05&rft.aulast=Giles&rft.aufirst=Ralph&rft_id=http%3A%2F%2Flists.xiph.org%2Fpipermail%2Fcommits%2F2008-January%2F012792.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOgg" class="Z3988"></span></span> </li> <li id="cite_note-ogg-separated-8"><span class="mw-cite-backlink">^ <a href="#cite_ref-ogg-separated_8-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-ogg-separated_8-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Xiph.Org (2002-07-19) <a rel="nofollow" class="external text" href="http://downloads.xiph.org/releases/ogg/">Ogg releases - libogg-1.0.tar.gz - CHANGES</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20170614174325/http://downloads.xiph.org/releases/ogg/">Archived</a> 2017-06-14 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>. 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XiphWiki. 2009-10-04. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20181117004309/https://wiki.xiph.org/index.php/MIME_Types_and_File_Extensions">Archived</a> from the original on 2018-11-17<span class="reference-accessdate">. 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Retrieved <span class="nowrap">2020-05-25</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=OggPCM&rft.pub=XiphWiki&rft.date=2020-05-25&rft_id=https%3A%2F%2Fwiki.xiph.org%2Findex.php%2FOggPCM&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOgg" class="Z3988"></span></span> </li> <li id="cite_note-36"><span class="mw-cite-backlink"><b><a href="#cite_ref-36">^</a></b></span> <span class="reference-text">Ralph Giles (2000-12-19) <a rel="nofollow" class="external text" href="http://lists.xiph.org/pipermail/vorbis-dev/2000-December/002281.html">vorbis-dev - Tarkin video codec?</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20180124052905/http://lists.xiph.org/pipermail/vorbis-dev/2000-December/002281.html">Archived</a> 2018-01-24 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>, Xiph.org vorbis-dev mailinglist. Retrieved 2009-09-06.</span> </li> <li id="cite_note-37"><span class="mw-cite-backlink"><b><a href="#cite_ref-37">^</a></b></span> <span class="reference-text">Jack Moffitt (2001-01-03) <a rel="nofollow" class="external text" href="http://lists.xiph.org/pipermail/vorbis-dev/2001-January/002604.html">vorbis-dev - Tarkin at last</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20140930123907/http://lists.xiph.org/pipermail/vorbis-dev/2001-January/002604.html">Archived</a> 2014-09-30 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>, Xiph.org vorbis-dev mailinglist. Retrieved 2009-09-06.</span> </li> <li id="cite_note-38"><span class="mw-cite-backlink"><b><a href="#cite_ref-38">^</a></b></span> <span class="reference-text"><a href="/wiki/Chris_Montgomery" title="Chris Montgomery">Chris Montgomery</a> (2001-02-11) <a rel="nofollow" class="external text" href="http://lists.xiph.org/pipermail/vorbis/2001-February/014147.html">Tarkin developer mailing list</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20140930202014/http://lists.xiph.org/pipermail/vorbis/2001-February/014147.html">Archived</a> 2014-09-30 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>, Retrieved on 2009-09-06</span> </li> <li id="cite_note-39"><span class="mw-cite-backlink"><b><a href="#cite_ref-39">^</a></b></span> <span class="reference-text">Michael Smith (2005-08-29) <a rel="nofollow" class="external text" href="http://lists.xiph.org/pipermail/vorbis-dev/2005-August/018213.html">Tarkin</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20160303194435/http://lists.xiph.org/pipermail/vorbis-dev/2005-August/018213.html">Archived</a> 2016-03-03 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>. Retrieved 2009-09-06.</span> </li> <li id="cite_note-40"><span class="mw-cite-backlink"><b><a href="#cite_ref-40">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://diracvideo.org/specifications">Dirac specification - integration of Dirac encoded video into commonly used container formats</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20100614050318/http://diracvideo.org/specifications/">Archived</a> 2010-06-14 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> Retrieved on 2009-07-05</span> </li> <li id="cite_note-41"><span class="mw-cite-backlink"><b><a href="#cite_ref-41">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://wiki.xiph.org/OggKate">"OggKate"</a>. <i>wiki.xiph.org</i>. 2017. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20110718082812/http://wiki.xiph.org/OggKate">Archived</a> from the original on 2011-07-18<span class="reference-accessdate">. Retrieved <span class="nowrap">2019-12-03</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=wiki.xiph.org&rft.atitle=OggKate&rft.date=2017&rft_id=https%3A%2F%2Fwiki.xiph.org%2FOggKate&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOgg" class="Z3988"></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ogg&action=edit&section=15" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:Ogg_format" class="extiw" title="commons:Category:Ogg format">Ogg format</a></span>.</div></div> </div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1235681985"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1237033735"><div class="side-box side-box-right plainlinks sistersitebox"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/60px-Wiktionary-logo-en-v2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/80px-Wiktionary-logo-en-v2.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span></div> <div class="side-box-text plainlist">Look up <i><b><a href="https://en.wiktionary.org/wiki/Ogg" class="extiw" title="wiktionary:Ogg">Ogg</a></b></i> in Wiktionary, the free dictionary.</div></div> </div> <ul><li><a rel="nofollow" class="external text" href="//www.xiph.org/ogg/">The Xiph.Org Foundation official webpage — Ogg</a></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPfeiffer2003" class="citation cs1">Pfeiffer, Silva (May 2003). <a rel="nofollow" class="external text" href="https://datatracker.ietf.org/doc/html/rfc3533"><i>The Ogg Encapsulation Format Version 0</i></a>. Internet Engineering Task Force. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.17487%2FRFC3533">10.17487/RFC3533</a></span>. <a href="/wiki/Request_for_Comments" title="Request for Comments">RFC</a> <a rel="nofollow" class="external text" href="https://datatracker.ietf.org/doc/html/rfc3533">3533</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Ogg+Encapsulation+Format+Version+0&rft.pub=Internet+Engineering+Task+Force&rft.date=2003-05&rft_id=info%3Adoi%2F10.17487%2FRFC3533&rft.aulast=Pfeiffer&rft.aufirst=Silva&rft_id=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fhtml%2Frfc3533&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOgg" class="Z3988"></span></li> <li><a rel="nofollow" class="external text" href="https://wiki.creativecommons.org/OGG">Using Creative Commons Metadata in Ogg containers</a></li> <li><a rel="nofollow" class="external text" href="http://www.catb.org/~esr/jargon/html/O/ogg.html">Ogg etymology</a> from the <a href="/wiki/Jargon_File" title="Jargon File">Jargon File</a></li> <li><a rel="nofollow" class="external text" href="//xiph.org/quicktime/">Xiph.Org's official Ogg QuickTime Components for iTunes and iMovie (Windows and Mac OS X)</a></li> <li><a rel="nofollow" class="external text" href="http://www.xiph.org/dshow/">Windows Media Player codecs for Vorbis, Speex, Theora and FLAC</a></li> <li><a rel="nofollow" class="external text" href="http://v2v.cc/~j/ffmpeg2theora/">ffmpeg2theora</a> Ogg Theora encoder, commandline application for Linux and <a href="/wiki/Win32" class="mw-redirect" title="Win32">Win32</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist 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navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Compression_formats" title="Template:Compression formats"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Compression_formats" title="Template talk:Compression formats"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Compression_formats" title="Special:EditPage/Template:Compression formats"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Multimedia_compression_and_container_formats" style="font-size:114%;margin:0 4em"><a href="/wiki/Multimedia" title="Multimedia">Multimedia</a> <a href="/wiki/Data_compression" title="Data compression">compression</a> and <a href="/wiki/Container_format_(computing)" class="mw-redirect" title="Container format (computing)">container</a> formats</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Video_coding_format" title="Video coding format">Video<br />compression</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/International_Organization_for_Standardization" title="International Organization for Standardization">ISO</a>, <a href="/wiki/International_Electrotechnical_Commission" title="International Electrotechnical Commission">IEC</a>, <br /><a href="/wiki/Moving_Picture_Experts_Group" title="Moving Picture Experts Group">MPEG</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/DV_(video_format)" title="DV (video format)">DV</a></li> <li><a href="/wiki/Motion_JPEG" title="Motion JPEG">MJPEG</a></li> <li><a href="/wiki/Motion_JPEG_2000" title="Motion JPEG 2000">Motion JPEG 2000</a></li> <li><a href="/wiki/MPEG-1" title="MPEG-1">MPEG-1</a></li> <li><a href="/wiki/MPEG-2" title="MPEG-2">MPEG-2</a> <ul><li><a href="/wiki/H.262/MPEG-2_Part_2" title="H.262/MPEG-2 Part 2">Part 2</a></li></ul></li> <li><a href="/wiki/MPEG-4" title="MPEG-4">MPEG-4</a> <ul><li><a href="/wiki/MPEG-4_Part_2" title="MPEG-4 Part 2">Part 2 / ASP</a></li> <li><a href="/wiki/H.264/MPEG-4_AVC" class="mw-redirect" title="H.264/MPEG-4 AVC">Part 10 / AVC</a></li> <li><a href="/wiki/MPEG-4_IVC" class="mw-redirect" title="MPEG-4 IVC">Part 33 / IVC</a></li></ul></li> <li><a href="/wiki/MPEG-H" title="MPEG-H">MPEG-H</a> <ul><li><a href="/wiki/High_Efficiency_Video_Coding" title="High Efficiency Video Coding">Part 2 / HEVC</a></li></ul></li> <li><a href="/w/index.php?title=MPEG-I&action=edit&redlink=1" class="new" title="MPEG-I (page does not exist)">MPEG-I</a> <ul><li><a href="/wiki/Versatile_Video_Coding" title="Versatile Video Coding">Part 3 / VVC</a></li></ul></li> <li><a href="/wiki/MPEG-5" class="mw-redirect" title="MPEG-5">MPEG-5</a> <ul><li><a href="/wiki/Essential_Video_Coding" title="Essential Video Coding">Part 1 / EVC</a></li> <li><a href="/wiki/LCEVC" title="LCEVC">Part 2 / LCEVC</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/ITU-T" title="ITU-T">ITU-T</a>, <a href="/wiki/Video_Coding_Experts_Group" title="Video Coding Experts Group">VCEG</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/H.120" title="H.120">H.120</a></li> <li><a href="/wiki/H.261" title="H.261">H.261</a></li> <li><a href="/wiki/H.262/MPEG-2_Part_2" title="H.262/MPEG-2 Part 2">H.262</a></li> <li><a href="/wiki/H.263" title="H.263">H.263</a></li> <li><a href="/wiki/Advanced_Video_Coding" title="Advanced Video Coding">H.264 / AVC</a></li> <li><a href="/wiki/High_Efficiency_Video_Coding" title="High Efficiency Video Coding">H.265 / HEVC</a></li> <li><a href="/wiki/Versatile_Video_Coding" title="Versatile Video Coding">H.266 / VVC</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/Society_of_Motion_Picture_and_Television_Engineers" title="Society of Motion Picture and Television Engineers">SMPTE</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/VC-1" title="VC-1">VC-1</a></li> <li><a href="/wiki/Dirac_(video_compression_format)" title="Dirac (video compression format)">VC-2</a></li> <li><a href="/wiki/Avid_DNxHD" title="Avid DNxHD">VC-3</a></li> <li><a href="/wiki/CineForm" title="CineForm">VC-5</a></li> <li><a href="/wiki/VC-6" title="VC-6">VC-6</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/On2_Technologies" title="On2 Technologies">TrueMotion</a> and AOMedia</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/On2_Technologies#TrueMotion_S" title="On2 Technologies">TrueMotion S</a></li> <li><a href="/wiki/VP3" title="VP3">VP3</a></li> <li><a href="/wiki/VP6" title="VP6">VP6</a></li> <li><a href="/wiki/VP7" class="mw-redirect" title="VP7">VP7</a></li> <li><a href="/wiki/VP8" title="VP8">VP8</a></li> <li><a href="/wiki/VP9" title="VP9">VP9</a></li> <li><a href="/wiki/AV1" title="AV1">AV1</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em">Chinese Standard</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Audio_Video_Standard#First_generation" title="Audio Video Standard">AVS1 P2/AVS+</a>(GB/T 20090.2/16)</li> <li><a href="/wiki/Audio_Video_Standard#Second_generation" title="Audio Video Standard">AVS2 P2</a>(GB/T 33475.2,GY/T 299.1) <ul><li>HDR Vivid(GY/T 358)</li></ul></li> <li>AVS3 P2(GY/T 368)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em">Others</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Apple_Video" title="Apple Video">Apple Video</a></li> <li><a href="/wiki/Audio_Video_Standard" title="Audio Video Standard">AVS</a></li> <li><a href="/wiki/Bink_Video" title="Bink Video">Bink</a></li> <li><a href="/wiki/Cinepak" title="Cinepak">Cinepak</a></li> <li><a href="/wiki/Daala" title="Daala">Daala</a></li> <li><a href="/wiki/Digital_Video_Interactive" title="Digital Video Interactive">DVI</a></li> <li><a href="/wiki/FFV1" title="FFV1">FFV1</a></li> <li><a href="/wiki/Huffyuv" title="Huffyuv">Huffyuv</a></li> <li><a href="/wiki/Indeo" title="Indeo">Indeo</a></li> <li><a href="/wiki/Lagarith" title="Lagarith">Lagarith</a></li> <li><a href="/wiki/Microsoft_Video_1" title="Microsoft Video 1">Microsoft Video 1</a></li> <li><a href="/wiki/MSU_Lossless_Video_Codec" title="MSU Lossless Video Codec">MSU Lossless</a></li> <li><a href="/wiki/OMS_Video" title="OMS Video">OMS Video</a></li> <li><a href="/wiki/Pixlet" title="Pixlet">Pixlet</a></li> <li><a href="/wiki/Apple_ProRes" title="Apple ProRes">ProRes</a> <ul><li><a href="/wiki/ProRes_422" class="mw-redirect" title="ProRes 422">422</a></li> <li><a href="/wiki/ProRes_4444" class="mw-redirect" title="ProRes 4444">4444</a></li></ul></li> <li>QuickTime <ul><li><a href="/wiki/QuickTime_Animation" title="QuickTime Animation">Animation</a></li> <li><a href="/wiki/QuickTime_Graphics" title="QuickTime Graphics">Graphics</a></li></ul></li> <li><a href="/wiki/RealVideo" title="RealVideo">RealVideo</a></li> <li><a href="/wiki/RTVideo" title="RTVideo">RTVideo</a></li> <li><a href="/wiki/SheerVideo" title="SheerVideo">SheerVideo</a></li> <li><a href="/wiki/Smacker_video" title="Smacker video">Smacker</a></li> <li><a href="/wiki/Sorenson_Media" title="Sorenson Media">Sorenson Video/Spark</a></li> <li><a href="/wiki/Theora" title="Theora">Theora</a></li> <li><a href="/wiki/Thor_(video_codec)" title="Thor (video codec)">Thor</a></li> <li><a href="/wiki/Ut_Video_Codec_Suite" title="Ut Video Codec Suite">Ut</a></li> <li><a href="/wiki/Windows_Media_Video" title="Windows Media Video">WMV</a></li> <li><a href="/wiki/RatDVD" title="RatDVD">XEB</a></li> <li><a href="/wiki/YULS" title="YULS">YULS</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Audio_coding_format" title="Audio coding format">Audio<br />compression</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/International_Organization_for_Standardization" title="International Organization for Standardization">ISO</a>, <a href="/wiki/International_Electrotechnical_Commission" title="International Electrotechnical Commission">IEC</a>,<br /> <a href="/wiki/Moving_Picture_Experts_Group" title="Moving Picture Experts Group">MPEG</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/MPEG-1_Audio_Layer_II" title="MPEG-1 Audio Layer II">MPEG-1 Layer II</a> <ul><li><a href="/wiki/MPEG_Multichannel" title="MPEG Multichannel">Multichannel</a></li></ul></li> <li><a href="/wiki/MPEG-1_Audio_Layer_I" title="MPEG-1 Audio Layer I">MPEG-1 Layer I</a></li> <li><a href="/wiki/MP3" title="MP3">MPEG-1 Layer III (MP3)</a></li> <li><a href="/wiki/Advanced_Audio_Coding" title="Advanced Audio Coding">AAC</a> <ul><li><a href="/wiki/High-Efficiency_Advanced_Audio_Coding" title="High-Efficiency Advanced Audio Coding">HE-AAC</a></li> <li><a href="/wiki/AAC-LD" title="AAC-LD">AAC-LD</a></li></ul></li> <li><a href="/wiki/MPEG_Surround" title="MPEG Surround">MPEG Surround</a></li> <li><a href="/wiki/Audio_Lossless_Coding" title="Audio Lossless Coding">MPEG-4 ALS</a></li> <li><a href="/wiki/MPEG-4_SLS" title="MPEG-4 SLS">MPEG-4 SLS</a></li> <li><a href="/wiki/Super_Audio_CD#DST" title="Super Audio CD">MPEG-4 DST</a></li> <li><a href="/wiki/Harmonic_Vector_Excitation_Coding" title="Harmonic Vector Excitation Coding">MPEG-4 HVXC</a></li> <li><a href="/wiki/Code-excited_linear_prediction" title="Code-excited linear prediction">MPEG-4 CELP</a></li> <li><a href="/wiki/Unified_Speech_and_Audio_Coding" title="Unified Speech and Audio Coding">MPEG-D USAC</a></li> <li><a href="/wiki/MPEG-H_3D_Audio" title="MPEG-H 3D Audio">MPEG-H 3D Audio</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/ITU-T" title="ITU-T">ITU-T</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/G.711" title="G.711">G.711</a> <ul><li><a href="/wiki/A-law_algorithm" title="A-law algorithm">A-law</a></li> <li><a href="/wiki/%CE%9C-law_algorithm" title="Μ-law algorithm">µ-law</a></li></ul></li> <li><a href="/wiki/G.718" title="G.718">G.718</a></li> <li><a href="/wiki/G.719" title="G.719">G.719</a></li> <li><a href="/wiki/G.722" title="G.722">G.722</a></li> <li><a href="/wiki/G.722.1" title="G.722.1">G.722.1</a></li> <li><a href="/wiki/Adaptive_Multi-Rate_Wideband" title="Adaptive Multi-Rate Wideband">G.722.2</a></li> <li><a href="/wiki/G.723" title="G.723">G.723</a></li> <li><a href="/wiki/G.723.1" title="G.723.1">G.723.1</a></li> <li><a href="/wiki/G.726" title="G.726">G.726</a></li> <li><a href="/wiki/G.728" title="G.728">G.728</a></li> <li><a href="/wiki/G.729" title="G.729">G.729</a></li> <li><a href="/wiki/G.729.1" title="G.729.1">G.729.1</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/Internet_Engineering_Task_Force" title="Internet Engineering Task Force">IETF</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Opus_(audio_format)" title="Opus (audio format)">Opus</a></li> <li><a href="/wiki/Internet_Low_Bitrate_Codec" title="Internet Low Bitrate Codec">iLBC</a></li> <li><a href="/wiki/Speex" title="Speex">Speex</a></li> <li><a href="/wiki/Vorbis" title="Vorbis">Vorbis</a></li> <li><a href="/wiki/FLAC" title="FLAC">FLAC</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/3GPP" title="3GPP">3GPP</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Adaptive_Multi-Rate_audio_codec" title="Adaptive Multi-Rate audio codec">AMR</a></li> <li><a href="/wiki/Adaptive_Multi-Rate_Wideband" title="Adaptive Multi-Rate Wideband">AMR-WB</a></li> <li><a href="/wiki/Extended_Adaptive_Multi-Rate_%E2%80%93_Wideband" title="Extended Adaptive Multi-Rate – Wideband">AMR-WB+</a></li> <li><a href="/wiki/Enhanced_Variable_Rate_Codec" title="Enhanced Variable Rate Codec">EVRC</a></li> <li><a href="/wiki/Enhanced_Variable_Rate_Codec_B" title="Enhanced Variable Rate Codec B">EVRC-B</a></li> <li><a href="/wiki/Enhanced_Voice_Services" title="Enhanced Voice Services">EVS</a></li> <li><a href="/wiki/Half_Rate" title="Half Rate">GSM-HR</a></li> <li><a href="/wiki/Full_Rate" title="Full Rate">GSM-FR</a></li> <li><a href="/wiki/Enhanced_full_rate" title="Enhanced full rate">GSM-EFR</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/ETSI" class="mw-redirect" title="ETSI">ETSI</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Dolby_Digital" title="Dolby Digital">AC-3</a></li> <li><a href="/wiki/Dolby_AC-4" title="Dolby AC-4">AC-4</a></li> <li><a href="/wiki/DTS_(sound_system)" class="mw-redirect" title="DTS (sound system)">DTS</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/Bluetooth_Special_Interest_Group" title="Bluetooth Special Interest Group">Bluetooth SIG</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/SBC_(codec)" title="SBC (codec)">SBC</a></li> <li><a href="/wiki/LC3_(codec)" title="LC3 (codec)">LC3</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em">Chinese Standard</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Audio_Video_Standard#First_generation" title="Audio Video Standard">AVS1 P10</a>(GB/T 20090.10)</li> <li><a href="/wiki/Audio_Video_Standard#Second_generation" title="Audio Video Standard">AVS2 P3</a>(GB/T 33475.3) <ul><li><a href="/w/index.php?title=Audio_Vivid&action=edit&redlink=1" class="new" title="Audio Vivid (page does not exist)">Audio Vivid</a>(GY/T 363)</li></ul></li> <li><a href="/wiki/Dynamic_Resolution_Adaptation" title="Dynamic Resolution Adaptation">DRA</a>(GB/T 22726)</li> <li><a href="/wiki/L2HC" title="L2HC">L2HC</a></li> <li>ExAC(SJ/T 11299.4)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em">Others</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Algebraic_code-excited_linear_prediction" title="Algebraic code-excited linear prediction">ACELP</a></li> <li><a href="/wiki/Apple_Lossless_Audio_Codec" title="Apple Lossless Audio Codec">ALAC</a></li> <li><a href="/wiki/Asao_(codec)" title="Asao (codec)">Asao</a></li> <li><a href="/wiki/Adaptive_Transform_Acoustic_Coding" class="mw-redirect" title="Adaptive Transform Acoustic Coding">ATRAC</a></li> <li><a href="/wiki/CELT" title="CELT">CELT</a></li> <li><a href="/wiki/Codec_2" title="Codec 2">Codec 2</a></li> <li><a href="/wiki/Internet_Speech_Audio_Codec" title="Internet Speech Audio Codec">iSAC</a></li> <li><a href="/wiki/Lyra_(codec)" title="Lyra (codec)">Lyra</a></li> <li><a href="/wiki/Mixed-excitation_linear_prediction" title="Mixed-excitation linear prediction">MELP</a></li> <li><a href="/wiki/Monkey%27s_Audio" title="Monkey's Audio">Monkey's Audio</a></li> <li><a href="/wiki/MT9" title="MT9">MT9</a></li> <li><a href="/wiki/Musepack" title="Musepack">Musepack</a></li> <li><a href="/wiki/OptimFROG" title="OptimFROG">OptimFROG</a></li> <li><a href="/wiki/Original_Sound_Quality" title="Original Sound Quality">OSQ</a></li> <li><a href="/wiki/Qualcomm_code-excited_linear_prediction" title="Qualcomm code-excited linear prediction">QCELP</a></li> <li><a href="/wiki/Relaxed_code-excited_linear_prediction" title="Relaxed code-excited linear prediction">RCELP</a></li> <li><a href="/wiki/RealAudio" title="RealAudio">RealAudio</a></li> <li><a href="/wiki/RTAudio" title="RTAudio">RTAudio</a></li> <li><a href="/wiki/Avid_Audio#Sound_Designer_file_formats" title="Avid Audio">SD2</a></li> <li><a href="/wiki/Shorten_file_format" class="mw-redirect" title="Shorten file format">SHN</a></li> <li><a href="/wiki/SILK" title="SILK">SILK</a></li> <li><a href="/wiki/Siren_(codec)" title="Siren (codec)">Siren</a></li> <li><a href="/wiki/Selectable_Mode_Vocoder" title="Selectable Mode Vocoder">SMV</a></li> <li><a href="/wiki/SVOPC" title="SVOPC">SVOPC</a></li> <li>TTA <ul><li>True Audio</li></ul></li> <li><a href="/wiki/TwinVQ" title="TwinVQ">TwinVQ</a></li> <li><a href="/wiki/Variable-Rate_Multimode_Wideband" title="Variable-Rate Multimode Wideband">VMR-WB</a></li> <li><a href="/wiki/Vector_sum_excited_linear_prediction" title="Vector sum excited linear prediction">VSELP</a></li> <li><a href="/wiki/WavPack" title="WavPack">WavPack</a></li> <li><a href="/wiki/Windows_Media_Audio" title="Windows Media Audio">WMA</a></li> <li><a href="/wiki/Master_Quality_Authenticated" title="Master Quality Authenticated">MQA</a></li> <li><a href="/wiki/AptX" title="AptX">aptX</a></li> <li><a href="/wiki/AptX#aptX_HD" title="AptX">aptX HD</a></li> <li><a href="/wiki/AptX#aptX_Low_Latency" title="AptX">aptX Low Latency</a></li> <li><a href="/wiki/AptX#aptX_Adaptive" title="AptX">aptX Adaptive</a></li> <li><a href="/wiki/LDAC_(codec)" title="LDAC (codec)">LDAC</a></li> <li><a href="/wiki/LHDC_(codec)" title="LHDC (codec)">LHDC</a></li> <li><a href="/wiki/LHDC_(codec)#LLAC" title="LHDC (codec)">LLAC</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Image_compression" title="Image compression">Image<br />compression</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/International_Electrotechnical_Commission" title="International Electrotechnical Commission">IEC</a>, <a href="/wiki/International_Organization_for_Standardization" title="International Organization for Standardization">ISO</a>, <a href="/wiki/Internet_Engineering_Task_Force" title="Internet Engineering Task Force">IETF</a>, <br /><a href="/wiki/World_Wide_Web_Consortium" title="World Wide Web Consortium">W3C</a>, <a href="/wiki/ITU-T" title="ITU-T">ITU-T</a>, <a href="/wiki/Joint_Photographic_Experts_Group" title="Joint Photographic Experts Group">JPEG</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Group_4_compression" title="Group 4 compression">CCITT Group 4</a></li> <li><a href="/wiki/GIF" title="GIF">GIF</a></li> <li><a href="/wiki/High_Efficiency_Image_File_Format#HEIC:_HEVC_in_HEIF" title="High Efficiency Image File Format">HEIC / HEIF</a></li> <li><a href="/wiki/High_Efficiency_Video_Coding#Main_Still_Picture" title="High Efficiency Video Coding">HEVC</a></li> <li><a href="/wiki/JBIG" title="JBIG">JBIG</a></li> <li><a href="/wiki/JBIG2" title="JBIG2">JBIG2</a></li> <li><a href="/wiki/JPEG" title="JPEG">JPEG</a></li> <li><a href="/wiki/JPEG_2000" title="JPEG 2000">JPEG 2000</a></li> <li><a href="/wiki/JPEG-LS" class="mw-redirect" title="JPEG-LS">JPEG-LS</a></li> <li><a href="/wiki/JPEG_XL" title="JPEG XL">JPEG XL</a></li> <li><a href="/wiki/JPEG_XR" title="JPEG XR">JPEG XR</a></li> <li><a href="/wiki/JPEG_XS" title="JPEG XS">JPEG XS</a></li> <li><a href="/wiki/JPEG_XT" title="JPEG XT">JPEG XT</a></li> <li><a href="/wiki/Portable_Network_Graphics" class="mw-redirect" title="Portable Network Graphics">PNG</a></li> <li><a href="/wiki/TIFF" title="TIFF">TIFF</a></li> <li><a href="/wiki/TIFF/EP" title="TIFF/EP">TIFF/EP</a></li> <li><a href="/wiki/TIFF/IT" class="mw-redirect" title="TIFF/IT">TIFF/IT</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em">Others</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/APNG" title="APNG">APNG</a></li> <li><a href="/wiki/AV1" title="AV1">AV1</a></li> <li><a href="/wiki/AVIF" title="AVIF">AVIF</a></li> <li><a href="/wiki/Better_Portable_Graphics" title="Better Portable Graphics">BPG</a></li> <li><a href="/wiki/DjVu" title="DjVu">DjVu</a></li> <li><a href="/wiki/OpenEXR" title="OpenEXR">EXR</a></li> <li><a href="/wiki/Free_Lossless_Image_Format" title="Free Lossless Image Format">FLIF</a></li> <li><a href="/wiki/ICER_(file_format)" title="ICER (file format)">ICER</a></li> <li><a href="/wiki/Multiple-image_Network_Graphics" title="Multiple-image Network Graphics">MNG</a></li> <li><a href="/wiki/Progressive_Graphics_File" title="Progressive Graphics File">PGF</a></li> <li><a href="/wiki/QOI_(image_format)" title="QOI (image format)">QOI</a></li> <li><a href="/wiki/QuickTime_VR" title="QuickTime VR">QTVR</a></li> <li><a href="/wiki/Wireless_Application_Protocol_Bitmap_Format" title="Wireless Application Protocol Bitmap Format">WBMP</a></li> <li><a href="/wiki/WebP" title="WebP">WebP</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Digital_container_format" class="mw-redirect" title="Digital container format">Containers</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/International_Organization_for_Standardization" title="International Organization for Standardization">ISO</a>, <a href="/wiki/International_Electrotechnical_Commission" title="International Electrotechnical Commission">IEC</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/MPEG_elementary_stream" title="MPEG elementary stream">MPEG-ES</a> <ul><li><a href="/wiki/Packetized_elementary_stream" title="Packetized elementary stream">MPEG-PES</a></li></ul></li> <li><a href="/wiki/MPEG_program_stream" title="MPEG program stream">MPEG-PS</a></li> <li><a href="/wiki/MPEG_transport_stream" title="MPEG transport stream">MPEG-TS</a></li> <li><a href="/wiki/ISO/IEC_base_media_file_format" class="mw-redirect" title="ISO/IEC base media file format">ISO/IEC base media file format</a></li> <li><a href="/wiki/MPEG-4_Part_14" class="mw-redirect" title="MPEG-4 Part 14">MPEG-4 Part 14</a> (MP4)</li> <li><a href="/wiki/Motion_JPEG_2000" title="Motion JPEG 2000">Motion JPEG 2000</a></li> <li><a href="/wiki/MPEG-21" title="MPEG-21">MPEG-21 Part 9</a></li> <li><a href="/wiki/MPEG_media_transport" title="MPEG media transport">MPEG media transport</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/ITU-T" title="ITU-T">ITU-T</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/MPEG-2#Systems" title="MPEG-2">H.222.0</a></li> <li><a href="/wiki/Motion_JPEG_2000" title="Motion JPEG 2000">T.802</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/Internet_Engineering_Task_Force" title="Internet Engineering Task Force">IETF</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Real-time_Transport_Protocol" title="Real-time Transport Protocol">RTP</a></li> <li><a class="mw-selflink selflink">Ogg</a></li> <li><a href="/wiki/Matroska" title="Matroska">Matroska</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/Society_of_Motion_Picture_and_Television_Engineers" title="Society of Motion Picture and Television Engineers">SMPTE</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/General_Exchange_Format" title="General Exchange Format">GXF</a></li> <li><a href="/wiki/Material_Exchange_Format" title="Material Exchange Format">MXF</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em">Others</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/3GP_and_3G2" title="3GP and 3G2">3GP and 3G2</a></li> <li><a href="/wiki/AMV_video_format" title="AMV video format">AMV</a></li> <li><a href="/wiki/Advanced_Systems_Format" title="Advanced Systems Format">ASF</a></li> <li><a href="/wiki/Audio_Interchange_File_Format" title="Audio Interchange File Format">AIFF</a></li> <li><a href="/wiki/Audio_Video_Interleave" title="Audio Video Interleave">AVI</a></li> <li><a href="/wiki/Au_file_format" title="Au file format">AU</a></li> <li><a href="/wiki/Better_Portable_Graphics" title="Better Portable Graphics">BPG</a></li> <li><a href="/wiki/Bink_Video" title="Bink Video">Bink</a> <ul><li><a href="/wiki/Smacker_video" title="Smacker video">Smacker</a></li></ul></li> <li><a href="/wiki/BMP_file_format" title="BMP file format">BMP</a></li> <li><a href="/wiki/DivX#DivX_Media_Format_(DMF)" title="DivX">DivX Media Format</a></li> <li><a href="/wiki/Enhanced_VOB" title="Enhanced VOB">EVO</a></li> <li><a href="/wiki/Flash_Video" title="Flash Video">Flash Video</a></li> <li><a href="/wiki/High_Efficiency_Image_File_Format" title="High Efficiency Image File Format">HEIF</a></li> <li><a href="/wiki/Interchange_File_Format" title="Interchange File Format">IFF</a></li> <li><a href="/wiki/.m2ts" title=".m2ts">M2TS</a></li> <li><a href="/wiki/Matroska" title="Matroska">Matroska</a> <ul><li><a href="/wiki/WebM" title="WebM">WebM</a></li></ul></li> <li><a href="/wiki/QuickTime_File_Format" title="QuickTime File Format">QuickTime File Format</a></li> <li><a href="/wiki/RatDVD" title="RatDVD">RatDVD</a></li> <li><a href="/wiki/RealMedia" title="RealMedia">RealMedia</a></li> <li><a href="/wiki/Resource_Interchange_File_Format" title="Resource Interchange File Format">RIFF</a> <ul><li><a href="/wiki/WAV" title="WAV">WAV</a></li></ul></li> <li><a href="/wiki/MOD_and_TOD" title="MOD and TOD">MOD and TOD</a></li> <li><a href="/wiki/VOB" title="VOB">VOB, IFO and BUP</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Collaborations</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/NETVC" title="NETVC">NETVC</a></li> <li><a href="/wiki/MPEG_LA" title="MPEG LA">MPEG LA</a></li> <li><a href="/wiki/Alliance_for_Open_Media" title="Alliance for Open Media">Alliance for Open Media</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Data_compression" title="Data compression">Methods</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Entropy_encoding" class="mw-redirect" title="Entropy encoding">Entropy</a> <ul><li><a href="/wiki/Arithmetic_coding" title="Arithmetic coding">Arithmetic</a></li> <li><a href="/wiki/Huffman_coding" title="Huffman coding">Huffman</a></li> <li><a href="/wiki/Modified_Huffman_coding" title="Modified Huffman coding">Modified</a></li></ul></li> <li><a href="/wiki/Linear_predictive_coding" title="Linear predictive coding">LPC</a> <ul><li><a href="/wiki/Algebraic_code-excited_linear_prediction" title="Algebraic code-excited linear prediction">ACELP</a></li> <li><a href="/wiki/Code-excited_linear_prediction" title="Code-excited linear prediction">CELP</a></li> <li><a href="/wiki/Line_spectral_pairs" title="Line spectral pairs">LSP</a></li> <li><a href="/wiki/Warped_linear_predictive_coding" title="Warped linear predictive coding">WLPC</a></li></ul></li> <li><a href="/wiki/Lossless_compression" title="Lossless compression">Lossless</a></li> <li><a href="/wiki/Lossy_compression" title="Lossy compression">Lossy</a></li> <li><a href="/wiki/LZ77_and_LZ78" title="LZ77 and LZ78">LZ</a> <ul><li><a href="/wiki/DEFLATE" class="mw-redirect" title="DEFLATE">DEFLATE</a></li> <li><a href="/wiki/Lempel%E2%80%93Ziv%E2%80%93Welch" title="Lempel–Ziv–Welch">LZW</a></li></ul></li> <li><a href="/wiki/Pulse-code_modulation" title="Pulse-code modulation">PCM</a> <ul><li><a href="/wiki/A-law_algorithm" title="A-law algorithm">A-law</a></li> <li><a href="/wiki/%CE%9C-law_algorithm" title="Μ-law algorithm">µ-law</a></li> <li><a href="/wiki/Adaptive_differential_pulse-code_modulation" title="Adaptive differential pulse-code modulation">ADPCM</a></li> <li><a href="/wiki/Differential_pulse-code_modulation" title="Differential pulse-code modulation">DPCM</a></li></ul></li> <li><a href="/wiki/Transform_coding" title="Transform coding">Transforms</a> <ul><li><a href="/wiki/Discrete_cosine_transform" title="Discrete cosine transform">DCT</a></li> <li><a href="/wiki/Fast_Fourier_transform" title="Fast Fourier transform">FFT</a></li> <li><a href="/wiki/Modified_discrete_cosine_transform" title="Modified discrete cosine transform">MDCT</a></li> <li><a href="/wiki/Wavelet" title="Wavelet">Wavelet</a> <ul><li><a href="/wiki/Daubechies_wavelet" title="Daubechies wavelet">Daubechies</a></li> <li><a href="/wiki/Discrete_wavelet_transform" title="Discrete wavelet transform">DWT</a></li></ul></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Lists</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Comparison_of_audio_coding_formats" title="Comparison of audio coding formats">Comparison of audio coding formats</a></li> <li><a href="/wiki/Comparison_of_video_codecs" title="Comparison of video codecs">Comparison of video codecs</a></li> <li><a href="/wiki/List_of_codecs" title="List of codecs">List of codecs</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div>See <a href="/wiki/Template:Compression_methods" title="Template:Compression methods">Compression methods</a> for techniques and <a href="/wiki/Template:Compression_software" title="Template:Compression software">Compression software</a> for codecs</div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Media_player_software" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Media_player_software" title="Template:Media player software"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Media_player_software" title="Template talk:Media player software"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Media_player_software" title="Special:EditPage/Template:Media player software"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Media_player_software" style="font-size:114%;margin:0 4em"><a href="/wiki/Media_player_software" title="Media player software">Media player software</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Free_software" style="font-size:114%;margin:0 4em"><a href="/wiki/Free_software" title="Free software">Free software</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Microsoft_Windows" title="Microsoft Windows">Windows</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Media_Player_Classic" title="Media Player Classic">Media Player Classic</a></li> <li><a href="/wiki/MediaPortal" title="MediaPortal">MediaPortal</a></li> <li><a href="/wiki/Mpxplay" title="Mpxplay">Mpxplay</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Linux" title="Linux">Linux</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">active</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cmus" title="Cmus">cmus</a></li> <li><a href="/wiki/JuK" title="JuK">JuK</a></li> <li><a href="/wiki/Kaffeine" title="Kaffeine">Kaffeine</a></li> <li><a href="/wiki/Music_on_Console" title="Music on Console">Music on Console</a></li> <li><a href="/wiki/Elementary_OS" title="Elementary OS">Noise</a></li> <li><a href="/wiki/Xfce#Parole" title="Xfce">Parole</a></li> <li><a href="/wiki/Rhythmbox" title="Rhythmbox">Rhythmbox</a></li> <li><a href="/wiki/GNOME_Videos" title="GNOME Videos">GNOME Videos</a></li> <li><a href="/wiki/Xine" title="Xine">Xine</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">inactive</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Muine" title="Muine">Muine</a></li> <li><a href="/wiki/Ogle_DVD_Player" title="Ogle DVD Player">Ogle DVD Player</a></li> <li><a href="/wiki/XMMS" title="XMMS">XMMS</a></li> <li>XMMS2</li> <li><a href="/wiki/Guayadeque_Music_Player" title="Guayadeque Music Player">Guayadeque</a></li> <li><a href="/wiki/Baudline" title="Baudline">Baudline</a></li> <li><a href="/wiki/Helix_(multimedia_project)" title="Helix (multimedia project)">Helix</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Cross-platform_software" title="Cross-platform software">Cross-platform</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">active</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Amarok_(software)" title="Amarok (software)">Amarok</a></li> <li><a href="/wiki/Audacious_(software)" title="Audacious (software)">Audacious</a></li> <li><a href="/wiki/DeaDBeeF" title="DeaDBeeF">DeaDBeeF</a></li> <li><a href="/wiki/Exaile" title="Exaile">Exaile</a></li> <li><a href="/wiki/FFmpeg" title="FFmpeg">ffplay</a></li> <li><a href="/wiki/Kodi_(software)" title="Kodi (software)">Kodi</a></li> <li><a href="/wiki/Mpg123" title="Mpg123">Mpg123</a></li> <li><a href="/wiki/MPlayer" title="MPlayer">MPlayer</a>/<a href="/wiki/Mpv_(media_player)" title="Mpv (media player)">mpv</a> (<a href="/wiki/IINA" title="IINA">IINA</a>, <a href="/wiki/SMPlayer" title="SMPlayer">SMPlayer</a>)</li> <li><a href="/wiki/Music_Player_Daemon" title="Music Player Daemon">Music Player Daemon</a></li> <li><a href="/wiki/MusikCube" title="MusikCube">MusikCube</a></li> <li><a href="/wiki/Qmmp" title="Qmmp">qmmp</a></li> <li><a href="/wiki/Quod_Libet_(software)" title="Quod Libet (software)">Quod Libet</a></li> <li><a href="/wiki/VLC_media_player" title="VLC media player">VLC</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">inactive</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Banshee_(media_player)" title="Banshee (media player)">Banshee</a></li> <li><a href="/wiki/Miro_(video_software)" title="Miro (video software)">Miro</a></li> <li><a href="/wiki/Songbird_(software)" title="Songbird (software)">Songbird</a></li> <li><a href="/wiki/Zinf" title="Zinf">Zinf</a></li> <li><a href="/wiki/Clementine_(software)" title="Clementine (software)">Clementine</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Freeware" style="font-size:114%;margin:0 4em"><a href="/wiki/Freeware" title="Freeware">Freeware</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Microsoft_Windows" title="Microsoft Windows">Windows</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/AIMP" title="AIMP">AIMP</a></li> <li><a href="/wiki/Dell_MediaDirect" title="Dell MediaDirect">Dell MediaDirect</a></li> <li><a href="/wiki/GOM_Player" title="GOM Player">GOM Player</a></li> <li><a href="/wiki/Groove_Music" title="Groove Music">Groove Music</a> (discontinued)</li> <li><a href="/wiki/JetAudio" title="JetAudio">jetAudio</a></li> <li><a href="/wiki/KMPlayer" title="KMPlayer">KMPlayer</a></li> <li><a href="/wiki/MediaMonkey" title="MediaMonkey">MediaMonkey</a></li> <li><a href="/wiki/Media_Go" title="Media Go">Media Go</a> (discontinued)</li> <li><a href="/wiki/Microsoft_Movies_%26_TV" title="Microsoft Movies & TV">Microsoft Movies & TV</a></li> <li><a href="/wiki/Microsoft_Photos" class="mw-redirect" title="Microsoft Photos">Microsoft Photos</a></li> <li>Mod4Win</li> <li><a href="/wiki/MusicBee" title="MusicBee">MusicBee</a></li> <li><a href="/wiki/MusikCube" title="MusikCube">MusikCube</a></li> <li><a href="/wiki/InterActual_Player" title="InterActual Player">InterActual Player</a></li> <li><a href="/wiki/PotPlayer" title="PotPlayer">PotPlayer</a></li> <li><a href="/wiki/QuickTime" title="QuickTime">QuickTime</a> (discontinued)</li> <li><a href="/wiki/Winamp" title="Winamp">Winamp</a></li> <li><a href="/wiki/Windows_Media_Player_(2022)" title="Windows Media Player (2022)">Windows Media Player (2022)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Cross-platform_software" title="Cross-platform software">Cross-platform</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/DivX#DivX_software" title="DivX">DivX Player</a></li> <li><a href="/wiki/Foobar2000" title="Foobar2000">foobar2000</a></li> <li><a href="/wiki/ITunes" title="ITunes">iTunes</a></li> <li><a href="/wiki/Plex_(company)" class="mw-redirect" title="Plex (company)">Plex</a></li> <li><a href="/wiki/QuickTime" title="QuickTime">QuickTime</a></li> <li><a href="/wiki/RealPlayer" title="RealPlayer">RealPlayer</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Commercial_(proprietary)" style="font-size:114%;margin:0 4em"><a href="/wiki/Commercial_software" title="Commercial software">Commercial</a> (<a href="/wiki/Proprietary_software" title="Proprietary software">proprietary</a>)</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Windows" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Microsoft_Windows" title="Microsoft Windows">Windows</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/CD_Player_(Windows)" title="CD Player (Windows)">CD Player</a></li> <li><a href="/wiki/Connect_Player" class="mw-redirect" title="Connect Player">Connect Player</a></li> <li><a href="/wiki/DVD_Player_(Windows)" title="DVD Player (Windows)">DVD Player</a></li> <li><a href="/wiki/JRiver_Media_Center" title="JRiver Media Center">JRiver Media Center</a></li> <li><a href="/wiki/PowerDVD" title="PowerDVD">PowerDVD</a></li> <li><a href="/wiki/ArcSoft" title="ArcSoft">ArcSoft</a> TotalMedia Theatre</li> <li><a href="/wiki/WinDVD" title="WinDVD">WinDVD</a></li> <li><a href="/wiki/Windows_Media_Player" title="Windows Media Player">Windows Media Player Legacy</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/MacOS" title="MacOS">macOS</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/DVD_Player_(macOS)" class="mw-redirect" title="DVD Player (macOS)">DVD Player</a></li> <li><a href="/wiki/Peel_(software)" title="Peel (software)">Peel</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Mobile_device" title="Mobile device">Mobile</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/The_Core_Pocket_Media_Player" title="The Core Pocket Media Player">Core Pocket Media Player</a></li> <li><a href="/wiki/DoubleTwist" title="DoubleTwist">doubleTwist</a></li> <li><a href="/wiki/Music_(Xperia)" title="Music (Xperia)">Music (Xperia)</a></li> <li><a href="/w/index.php?title=Musicolet&action=edit&redlink=1" class="new" title="Musicolet (page does not exist)">Musicolet</a></li> <li><a href="/wiki/RealPlayer" title="RealPlayer">RealPlayer</a></li> <li><a href="/wiki/Winamp#Winamp_for_Android" title="Winamp">Winamp</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Lists" style="font-size:114%;margin:0 4em">Lists</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Comparison_of_video_player_software" title="Comparison of video player software">Video players</a></li> <li><a href="/wiki/Comparison_of_audio_player_software" title="Comparison of audio player software">Audio players</a></li> <li><a href="/wiki/Comparison_of_free_software_for_audio#Players" title="Comparison of free software for audio">Free software audio players</a></li> <li><a href="/wiki/Comparison_of_portable_media_players" title="Comparison of portable media players">Portable media players</a></li> <li><a href="/wiki/Comparison_of_DVR_software_packages" title="Comparison of DVR software packages">Personal video recorders</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Xiph.Org_Foundation" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Xiph.org" title="Template:Xiph.org"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Xiph.org" title="Template talk:Xiph.org"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Xiph.org" title="Special:EditPage/Template:Xiph.org"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Xiph.Org_Foundation" style="font-size:114%;margin:0 4em"><a href="/wiki/Xiph.Org_Foundation" title="Xiph.Org Foundation">Xiph.Org Foundation</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a class="mw-selflink selflink">Ogg Project</a> codecs</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Vorbis" title="Vorbis">Vorbis</a></li> <li><a href="/wiki/Daala" title="Daala">Daala</a></li> <li><a href="/wiki/Theora" title="Theora">Theora</a></li> <li><a href="/wiki/FLAC" title="FLAC">FLAC</a></li> <li><a href="/wiki/Opus_(audio_format)" title="Opus (audio format)">Opus</a></li> <li><a href="/wiki/CELT" title="CELT">CELT</a></li> <li><a href="/wiki/Speex" title="Speex">Speex</a></li> <li><a href="/wiki/OggPCM" class="mw-redirect" title="OggPCM">OggPCM</a></li> <li><a class="mw-selflink-fragment" href="#Ogg_codecs">Ogg Writ</a></li> <li><a href="/wiki/XML_Shareable_Playlist_Format" title="XML Shareable Playlist Format">XSPF</a></li> <li><a href="/wiki/Annodex" title="Annodex">Annodex</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Media tools</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cdparanoia" title="Cdparanoia">cdparanoia</a></li> <li><a href="/wiki/Icecast" title="Icecast">Icecast</a></li> <li><a href="/wiki/Tremor_(software)" title="Tremor (software)">Tremor</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related articles</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Chris_Montgomery" title="Chris Montgomery">Chris Montgomery</a></li> <li><a href="/wiki/Continuous_Media_Markup_Language" title="Continuous Media Markup Language">CMML</a></li> <li><a href="/wiki/Ogg_page" class="mw-redirect" title="Ogg page">Ogg page</a></li> <li><a href="/wiki/Ogg_Squish" title="Ogg Squish">Ogg Squish</a></li> <li><a href="/wiki/Use_of_Ogg_formats_in_HTML5" title="Use of Ogg formats in HTML5">Use of Ogg formats in HTML5</a></li> <li><a href="/wiki/Vorbis_comment" title="Vorbis comment">Vorbis comment</a></li> <li><a href="/wiki/List_of_open-source_codecs" title="List of open-source codecs">List of open-source codecs</a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" 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