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href="https://cs.wikipedia.org/wiki/WebM"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.cs"> <link rel="alternate" type="application/atom+xml" title="Atom kanál Wikipedie." href="/w/index.php?title=Speci%C3%A1ln%C3%AD:Posledn%C3%AD_zm%C4%9Bny&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-WebM rootpage-WebM skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Přeskočit na obsah</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Projekt"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Hlavní menu" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-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-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Hlavní menu</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Hlavní menu</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">přesunout do postranního panelu</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">skrýt</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigace </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage" class="mw-list-item"><a href="/wiki/Hlavn%C3%AD_strana" title="Navštívit Hlavní stranu [z]" accesskey="z"><span>Hlavní strana</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/N%C3%A1pov%C4%9Bda:Obsah" title="Místo, kde najdete pomoc"><span>Nápověda</span></a></li><li id="n-helpdesk" class="mw-list-item"><a href="/wiki/Wikipedie:Pot%C5%99ebuji_pomoc" title="Pokud si nevíte rady, zeptejte se ostatních"><span>Potřebuji pomoc</span></a></li><li id="n-featuredcontent" class="mw-list-item"><a href="/wiki/Wikipedie:Nejlep%C5%A1%C3%AD_%C4%8Dl%C3%A1nky" title="Přehled článků, které jsou považovány za nejlepší na české Wikipedii"><span>Nejlepší články</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Speci%C3%A1ln%C3%AD:N%C3%A1hodn%C3%A1_str%C3%A1nka" title="Přejít na náhodně vybranou stránku [x]" accesskey="x"><span>Náhodný článek</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Speci%C3%A1ln%C3%AD:Posledn%C3%AD_zm%C4%9Bny" title="Seznam posledních změn na této wiki [r]" accesskey="r"><span>Poslední změny</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedie:Port%C3%A1l_Wikipedie" title="O projektu, jak můžete pomoci, kde hledat"><span>Komunitní portál</span></a></li><li id="n-villagepump" class="mw-list-item"><a href="/wiki/Wikipedie:Pod_l%C3%ADpou" title="Hlavní diskusní fórum"><span>Pod lípou</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Hlavn%C3%AD_strana" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedie" src="/static/images/mobile/copyright/wikipedia-wordmark-cs.svg" style="width: 7.5em; height: 1.1875em;"> <img class="mw-logo-tagline" alt="Wikipedie: Otevřená encyklopedie" src="/static/images/mobile/copyright/wikipedia-tagline-cs.svg" width="118" height="13" style="width: 7.375em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Speci%C3%A1ln%C3%AD:Hled%C3%A1n%C3%AD" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Prohledat tuto wiki [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Hledání</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Hledat na Wikipedii" aria-label="Hledat na Wikipedii" autocapitalize="sentences" title="Prohledat tuto wiki [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Speciální:Hledání"> </div> <button class="cdx-button cdx-search-input__end-button">Hledat</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Osobní nástroje"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Vzhled"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Změnit vzhled velikosti písma, šířky stránky a barvy" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Vzhled" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-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-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Vzhled</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_cs.wikipedia.org&uselang=cs" class=""><span>Podpořte Wikipedii</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Speci%C3%A1ln%C3%AD:Vytvo%C5%99it_%C3%BA%C4%8Det&returnto=WebM" title="Doporučujeme vytvořit si účet a přihlásit se, ovšem není to povinné" class=""><span>Vytvoření účtu</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Speci%C3%A1ln%C3%AD:P%C5%99ihl%C3%A1sit&returnto=WebM" title="Doporučujeme vám přihlásit se, ovšem není to povinné. [o]" accesskey="o" class=""><span>Přihlášení</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Další možnosti" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Osobní nástroje" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-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-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Osobní nástroje</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Uživatelské menu" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_cs.wikipedia.org&uselang=cs"><span>Podpořte Wikipedii</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Speci%C3%A1ln%C3%AD:Vytvo%C5%99it_%C3%BA%C4%8Det&returnto=WebM" title="Doporučujeme vytvořit si účet a přihlásit se, ovšem není to povinné"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Vytvoření účtu</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Speci%C3%A1ln%C3%AD:P%C5%99ihl%C3%A1sit&returnto=WebM" title="Doporučujeme vám přihlásit se, ovšem není to povinné. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Přihlášení</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Stránky pro odhlášené editory <a href="/wiki/N%C3%A1pov%C4%9Bda:%C3%9Avod" aria-label="Více informací o editování"><span>dozvědět se více</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Speci%C3%A1ln%C3%AD:Moje_p%C5%99%C3%ADsp%C4%9Bvky" title="Seznam editací provedených z této IP adresy [y]" accesskey="y"><span>Příspěvky</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Speci%C3%A1ln%C3%AD:Moje_diskuse" title="Diskuse o editacích provedených z této IP adresy [n]" accesskey="n"><span>Diskuse</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Projekt"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Obsah" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Obsah</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">přesunout do postranního panelu</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">skrýt</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">(úvod)</div> </a> </li> <li id="toc-Podpora" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Podpora"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Podpora</span> </div> </a> <ul id="toc-Podpora-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Licence" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Licence"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Licence</span> </div> </a> <ul id="toc-Licence-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Odkazy" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Odkazy"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Odkazy</span> </div> </a> <button aria-controls="toc-Odkazy-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>Přepnout podsekci Odkazy</span> </button> <ul id="toc-Odkazy-sublist" class="vector-toc-list"> <li id="toc-Reference" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Reference"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Reference</span> </div> </a> <ul id="toc-Reference-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Související_články" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Související_články"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Související články</span> </div> </a> <ul id="toc-Související_články-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Externí_odkazy" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Externí_odkazy"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.3</span> <span>Externí odkazy</span> </div> </a> <ul id="toc-Externí_odkazy-sublist" class="vector-toc-list"> </ul> </li> </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="Obsah" 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="Přepnout obsah" > <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">Přepnout obsah</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">WebM</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="Přejděte k článku v jiném jazyce. Je dostupný v 37 jazycích" > <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-37" 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">37 jazyků</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/%D9%88%D9%8A%D8%A8_%D8%A5%D9%85" title="ويب إم – arabština" lang="ar" hreflang="ar" data-title="ويب إم" data-language-autonym="العربية" data-language-local-name="arabština" 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/WebM" title="WebM – asturština" lang="ast" hreflang="ast" data-title="WebM" data-language-autonym="Asturianu" data-language-local-name="asturština" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/WebM" title="WebM – bulharština" lang="bg" hreflang="bg" data-title="WebM" data-language-autonym="Български" data-language-local-name="bulharština" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/WebM" title="WebM – katalánština" lang="ca" hreflang="ca" data-title="WebM" data-language-autonym="Català" data-language-local-name="katalánština" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/WebM" title="WebM – dánština" lang="da" hreflang="da" data-title="WebM" data-language-autonym="Dansk" data-language-local-name="dánština" 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/WebM" title="WebM – němčina" lang="de" hreflang="de" data-title="WebM" data-language-autonym="Deutsch" data-language-local-name="němčina" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/WebM" title="WebM – angličtina" lang="en" hreflang="en" data-title="WebM" data-language-autonym="English" data-language-local-name="angličtina" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/WebM" title="WebM – španělština" lang="es" hreflang="es" data-title="WebM" data-language-autonym="Español" data-language-local-name="španělština" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/WebM" title="WebM – baskičtina" lang="eu" hreflang="eu" data-title="WebM" data-language-autonym="Euskara" data-language-local-name="baskičtina" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%88%D8%A8%E2%80%8C%D8%A7%D9%85" title="وب‌ام – perština" lang="fa" hreflang="fa" data-title="وب‌ام" data-language-autonym="فارسی" data-language-local-name="perština" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/WebM" title="WebM – finština" lang="fi" hreflang="fi" data-title="WebM" data-language-autonym="Suomi" data-language-local-name="finština" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/WebM" title="WebM – francouzština" lang="fr" hreflang="fr" data-title="WebM" data-language-autonym="Français" data-language-local-name="francouzština" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/WebM" title="WebM – hebrejština" lang="he" hreflang="he" data-title="WebM" data-language-autonym="עברית" data-language-local-name="hebrejština" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B5%E0%A5%87%E0%A4%AC%E0%A4%8F%E0%A4%AE_(WebM)" title="वेबएम (WebM) – hindština" lang="hi" hreflang="hi" data-title="वेबएम (WebM)" data-language-autonym="हिन्दी" data-language-local-name="hindština" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/WebM" title="WebM – maďarština" lang="hu" hreflang="hu" data-title="WebM" data-language-autonym="Magyar" data-language-local-name="maďarština" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/WebM" title="WebM – arménština" lang="hy" hreflang="hy" data-title="WebM" data-language-autonym="Հայերեն" data-language-local-name="arménština" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/WebM" title="WebM – indonéština" lang="id" hreflang="id" data-title="WebM" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonéština" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/WebM" title="WebM – islandština" lang="is" hreflang="is" data-title="WebM" data-language-autonym="Íslenska" data-language-local-name="islandština" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/WebM" title="WebM – italština" lang="it" hreflang="it" data-title="WebM" data-language-autonym="Italiano" data-language-local-name="italština" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/WebM" title="WebM – japonština" lang="ja" hreflang="ja" data-title="WebM" data-language-autonym="日本語" data-language-local-name="japonština" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%B5%E0%B3%86%E0%B2%AC%E0%B3%8D%E2%80%8C%E0%B2%8E%E0%B2%82" title="ವೆಬ್‌ಎಂ – kannadština" lang="kn" hreflang="kn" data-title="ವೆಬ್‌ಎಂ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannadština" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/WebM" title="WebM – korejština" lang="ko" hreflang="ko" data-title="WebM" data-language-autonym="한국어" data-language-local-name="korejština" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/WebM" title="WebM – lotyština" lang="lv" hreflang="lv" data-title="WebM" data-language-autonym="Latviešu" data-language-local-name="lotyština" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B5%E0%B5%86%E0%B4%AC%E0%B5%8D%E2%80%8C%E0%B4%8E%E0%B4%82_%E0%B4%AA%E0%B4%A6%E0%B5%8D%E0%B4%A7%E0%B4%A4%E0%B4%BF" title="വെബ്‌എം പദ്ധതി – malajálamština" lang="ml" hreflang="ml" data-title="വെബ്‌എം പദ്ധതി" data-language-autonym="മലയാളം" data-language-local-name="malajálamština" 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/WebM" title="WebM – malajština" lang="ms" hreflang="ms" data-title="WebM" data-language-autonym="Bahasa Melayu" data-language-local-name="malajština" 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/WebM" title="WebM – nizozemština" lang="nl" hreflang="nl" data-title="WebM" data-language-autonym="Nederlands" data-language-local-name="nizozemština" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/WebM" title="WebM – norština (bokmål)" lang="nb" hreflang="nb" data-title="WebM" data-language-autonym="Norsk bokmål" data-language-local-name="norština (bokmål)" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/WebM" title="WebM – polština" lang="pl" hreflang="pl" data-title="WebM" data-language-autonym="Polski" data-language-local-name="polština" 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/WebM" title="WebM – portugalština" lang="pt" hreflang="pt" data-title="WebM" data-language-autonym="Português" data-language-local-name="portugalština" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/WebM" title="WebM – ruština" lang="ru" hreflang="ru" data-title="WebM" data-language-autonym="Русский" data-language-local-name="ruština" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/WebM" title="WebM – švédština" lang="sv" hreflang="sv" data-title="WebM" data-language-autonym="Svenska" data-language-local-name="švédština" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%80%E0%B8%A7%E0%B9%87%E0%B8%9A%E0%B9%80%E0%B8%AD%E0%B9%87%E0%B8%A1" title="เว็บเอ็ม – thajština" lang="th" hreflang="th" data-title="เว็บเอ็ม" data-language-autonym="ไทย" data-language-local-name="thajština" 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/WebM" title="WebM – turečtina" lang="tr" hreflang="tr" data-title="WebM" data-language-autonym="Türkçe" data-language-local-name="turečtina" 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/WebM" title="WebM – ukrajinština" lang="uk" hreflang="uk" data-title="WebM" data-language-autonym="Українська" data-language-local-name="ukrajinština" 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/WebM" title="WebM – vietnamština" lang="vi" hreflang="vi" data-title="WebM" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamština" 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/WebM" title="WebM – jorubština" lang="yo" hreflang="yo" data-title="WebM" data-language-autonym="Yorùbá" data-language-local-name="jorubština" 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/WebM" title="WebM – čínština" lang="zh" hreflang="zh" data-title="WebM" data-language-autonym="中文" data-language-local-name="čínština" 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/Q309440#sitelinks-wikipedia" title="Editovat mezijazykové odkazy" class="wbc-editpage">Upravit odkazy</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Jmenné prostory"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/WebM" title="Zobrazit obsahovou stránku [c]" accesskey="c"><span>Článek</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Diskuse:WebM&action=edit&redlink=1" rel="discussion" class="new" title="Diskuse ke stránce (stránka neexistuje) [t]" accesskey="t"><span>Diskuse</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Změnit variantu jazyka" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">čeština</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Zobrazení"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/WebM"><span>Číst</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=WebM&veaction=edit" title="Editovat tuto stránku [v]" accesskey="v"><span>Editovat</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=WebM&action=edit" title="Editovat zdrojový kód této stránky [e]" accesskey="e"><span>Editovat zdroj</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=WebM&action=history" title="Starší verze této stránky. [h]" accesskey="h"><span>Zobrazit historii</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Nástroje ke stránce"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Nástroje" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Nástroje</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Nástroje</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">přesunout do postranního panelu</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">skrýt</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Další možnosti" > <div class="vector-menu-heading"> Akce </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/WebM"><span>Číst</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=WebM&veaction=edit" title="Editovat tuto stránku [v]" accesskey="v"><span>Editovat</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=WebM&action=edit" title="Editovat zdrojový kód této stránky [e]" accesskey="e"><span>Editovat zdroj</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=WebM&action=history"><span>Zobrazit historii</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Obecné </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Speci%C3%A1ln%C3%AD:Co_odkazuje_na/WebM" title="Seznam všech wikistránek, které sem odkazují [j]" accesskey="j"><span>Odkazuje sem</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Speci%C3%A1ln%C3%AD:Souvisej%C3%ADc%C3%AD_zm%C4%9Bny/WebM" rel="nofollow" title="Nedávné změny stránek, na které je odkazováno [k]" accesskey="k"><span>Související změny</span></a></li><li id="t-upload" class="mw-list-item"><a href="//commons.wikimedia.org/wiki/Special:UploadWizard?uselang=cs" title="Nahrát obrázky či jiná multimédia [u]" accesskey="u"><span>Načíst soubor</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Speci%C3%A1ln%C3%AD:Speci%C3%A1ln%C3%AD_str%C3%A1nky" title="Seznam všech speciálních stránek [q]" accesskey="q"><span>Speciální stránky</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=WebM&oldid=23483540" title="Trvalý odkaz na současnou verzi této stránky"><span>Trvalý odkaz</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=WebM&action=info" title="Více informací o této stránce"><span>Informace o stránce</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Speci%C3%A1ln%C3%AD:Citovat&page=WebM&id=23483540&wpFormIdentifier=titleform" title="Informace o tom, jak citovat tuto stránku"><span>Citovat stránku</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Speci%C3%A1ln%C3%AD:UrlShortener&url=https%3A%2F%2Fcs.wikipedia.org%2Fwiki%2FWebM"><span>Získat zkrácené URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Speci%C3%A1ln%C3%AD:QrCode&url=https%3A%2F%2Fcs.wikipedia.org%2Fwiki%2FWebM"><span>Stáhnout QR kód</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Tisk/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Speci%C3%A1ln%C3%AD:Kniha&bookcmd=book_creator&referer=WebM"><span>Vytvořit knihu</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Speci%C3%A1ln%C3%AD:DownloadAsPdf&page=WebM&action=show-download-screen"><span>Stáhnout jako PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=WebM&printable=yes" title="Tato stránka v podobě vhodné k tisku [p]" accesskey="p"><span>Verze k tisku</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> Na jiných projektech </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:WebM_videos" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q309440" title="Odkaz na propojenou položku datového úložiště [g]" accesskey="g"><span>Položka Wikidat</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Nástroje ke stránce"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Vzhled"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Vzhled</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">přesunout do postranního panelu</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">skrýt</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Z Wikipedie, otevřené encyklopedie</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="cs" dir="ltr"><table class="infobox" style="width:22em"><caption>WebM</caption><tbody><tr><td colspan="2" style="text-align:center"><span typeof="mw:File"><a href="/wiki/Soubor:WebM_logo.svg" class="mw-file-description" title="Logo"><img alt="Logo" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/34/WebM_logo.svg/100px-WebM_logo.svg.png" decoding="async" width="100" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/34/WebM_logo.svg/150px-WebM_logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/34/WebM_logo.svg/200px-WebM_logo.svg.png 2x" data-file-width="512" data-file-height="131" /></a></span></td></tr><tr><th scope="row" style="text-align:left"><a href="/wiki/P%C5%99%C3%ADpona_souboru" title="Přípona souboru">Přípona souboru</a></th><td><code><tt>.webm</tt></code></td></tr><tr><th scope="row" style="text-align:left"><a href="/wiki/Typ_internetov%C3%A9ho_m%C3%A9dia" title="Typ internetového média">Typ internetového média</a></th><td><code><code>video/webm</code><br /><code>audio/webm</code></code></td></tr><tr><th scope="row" style="text-align:left">Tvůrce</th><td><a href="/wiki/Google" title="Google">Google</a>; zpočátku <a href="/w/index.php?title=On2_Technologies&action=edit&redlink=1" class="new" title="On2 Technologies (stránka neexistuje)">On2</a>, <a href="/w/index.php?title=Xiph.Org_Foundation&action=edit&redlink=1" class="new" title="Xiph.Org Foundation (stránka neexistuje)">Xiph</a>, <a href="/wiki/Matroska" title="Matroska">Matroska</a></td></tr><tr><th scope="row" style="text-align:left">První verze</th><td>19. května 2010</td></tr><tr><th scope="row" style="text-align:left">Typ formátu</th><td><a href="/wiki/Multimedi%C3%A1ln%C3%AD_kontejner" title="Multimediální kontejner">Multimediální kontejner</a></td></tr><tr><th scope="row" style="text-align:left">Kontejner pro</th><td><a href="/wiki/VP8" title="VP8">VP8</a>, <a href="/wiki/VP9" title="VP9">VP9</a>, AV1 (video)<br /><a href="/wiki/Vorbis" title="Vorbis">Vorbis</a>, <a href="/wiki/Opus_(kompresn%C3%AD_form%C3%A1t)" title="Opus (kompresní formát)">Opus</a> (audio)</td></tr><tr><th scope="row" style="text-align:left">Rozšiřuje formát</th><td><a href="/wiki/Matroska" title="Matroska">Matroska</a></td></tr><tr><th scope="row" style="text-align:left"><a href="/wiki/Otev%C5%99en%C3%BD_form%C3%A1t" title="Otevřený formát">Otevřený formát</a></th><td>ano</td></tr><tr><th scope="row" style="text-align:left"><a href="/wiki/Website" title="Website">Website</a></th><td><a rel="nofollow" class="external text" href="https://www.webmproject.org">www.webmproject.org</a></td></tr></tbody></table> <p><b>WebM</b> je otevřený <a href="/wiki/Form%C3%A1t_video_souboru" title="Formát video souboru">formát video souboru</a> umožňující <a href="/wiki/Komprese_dat" title="Komprese dat">video kompresi</a> pro použití <a href="/wiki/HTML5_video" title="HTML5 video">HTML5 videem</a>. Definuje strukturu souborového kontejneru a formáty komprese videa a zvuku. Vývoj projektu je sponzorován <a href="/wiki/Google" title="Google">Googlem</a>. V roce 2010 na výroční konferenci vývojářů společnosti Google v San Francisku viceprezident produkt managementu Sundar Pichai oznámil, že společnost otevřela kodek VP8 a v kombinaci se zvukovým formátem Vorbis byl vytvořen WebM.<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> Google oznámil, že od toho dne budou všechna nahraná videa na YouTube v rozlišení 720p nebo větším kódována ve WebM jako součást demonstrace <a href="/wiki/HTML5" title="HTML5">HTML5</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> </p> <figure typeof="mw:File/Thumb"><span><video id="mwe_player_0" poster="//upload.wikimedia.org/wikipedia/commons/thumb/8/87/Schlossbergbahn.webm/250px--Schlossbergbahn.webm.jpg" controls="" preload="none" data-mw-tmh="" class="mw-file-element" width="250" height="141" data-durationhint="13" data-mwtitle="Schlossbergbahn.webm" data-mwprovider="wikimediacommons" resource="/wiki/Soubor:Schlossbergbahn.webm"><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/8/87/Schlossbergbahn.webm/Schlossbergbahn.webm.480p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="480p.vp9.webm" data-width="854" data-height="480" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/8/87/Schlossbergbahn.webm/Schlossbergbahn.webm.720p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="720p.vp9.webm" data-width="1280" data-height="720" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/8/87/Schlossbergbahn.webm/Schlossbergbahn.webm.1080p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="1080p.vp9.webm" data-width="1920" data-height="1080" /><source src="//upload.wikimedia.org/wikipedia/commons/8/87/Schlossbergbahn.webm" type="video/webm; codecs="vp8, vorbis"" data-width="1920" data-height="1080" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/8/87/Schlossbergbahn.webm/Schlossbergbahn.webm.240p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="240p.vp9.webm" data-width="426" data-height="240" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/8/87/Schlossbergbahn.webm/Schlossbergbahn.webm.360p.webm" type="video/webm; codecs="vp8, vorbis"" data-transcodekey="360p.webm" data-width="640" data-height="360" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/8/87/Schlossbergbahn.webm/Schlossbergbahn.webm.360p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="360p.vp9.webm" data-width="640" data-height="360" /></video></span><figcaption>WebM video</figcaption></figure> <p>Soubor WebM se skládá z video streamu ve formátu <a href="/wiki/VP8" title="VP8">VP8</a>, <a href="/wiki/VP9" title="VP9">VP9</a> nebo <a href="/wiki/AV1" title="AV1">AV1</a> a audio streamu ve formátu <a href="/wiki/Vorbis" title="Vorbis">Vorbis</a> nebo <a href="/wiki/Opus_(kompresn%C3%AD_form%C3%A1t)" title="Opus (kompresní formát)">Opus</a>, uložených v <a href="/wiki/Multimedi%C3%A1ln%C3%AD_kontejner" title="Multimediální kontejner">kontejneru</a> založeném na formátu <a href="/wiki/Matroska" title="Matroska">Matroska</a>. </p><p>Tento jednoduchý formát kontejneru je optimalizován pro web. Používá se například pro přehrávání filmů ve vysokém rozlišení, živé vysílání či videohovory.<sup id="cite_ref-Luther_3-0" class="reference"><a href="#cite_note-Luther-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Nízká výpočetní náročnost kodeků VP8 a VP9 umožňuje přehrávání videa na takřka jakémkoliv zařízení, včetně netbooků s nízkou spotřebou, kapesních počítačů, tabletů atd.<sup id="cite_ref-Luther_3-1" class="reference"><a href="#cite_note-Luther-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>WebM je licenčními poplatky nezatížený souborový formát. To znamená, že poskytovatel obsahu nemusí platit poplatky za poskytnuté video (bez ohledu na jeho obchodní model) a distributoři softwaru tvořícího WebM video nemusí platit poplatky za podporu WebM ve svém softwaru. </p><p>WebM je speciálně navržen pro streamování videa. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Podpora">Podpora</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=WebM&veaction=edit&section=1" title="Editace sekce: Podpora" class="mw-editsection-visualeditor"><span>editovat</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=WebM&action=edit&section=1" title="Editovat zdrojový kód sekce Podpora"><span>editovat zdroj</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>WebM nativně podporují <a href="/wiki/Webov%C3%BD_prohl%C3%AD%C5%BEe%C4%8D" title="Webový prohlížeč">webové prohlížeče</a> <a href="/wiki/Google_Chrome" title="Google Chrome">Google Chrome</a>, <a href="/wiki/Mozilla_Firefox" title="Mozilla Firefox">Mozilla Firefox</a>, <a href="/wiki/Opera_(webov%C3%BD_prohl%C3%AD%C5%BEe%C4%8D)" title="Opera (webový prohlížeč)">Opera</a>, <a href="/wiki/Microsoft_Edge" title="Microsoft Edge">Microsoft Edge</a> a <a href="/wiki/Safari_(webov%C3%BD_prohl%C3%AD%C5%BEe%C4%8D)" title="Safari (webový prohlížeč)">Safari</a>. U <a href="/wiki/Internet_Explorer" title="Internet Explorer">Internet Exploreru</a> je potřeba nainstalovat plugin. </p><p>Z webových stránek formát podporují např. <a href="/wiki/Wikimedia" class="mw-redirect" title="Wikimedia">Wikimedia</a>, <a href="/wiki/YouTube" title="YouTube">YouTube</a>, <a href="/wiki/Vine" title="Vine">Vine</a> a <a href="/wiki/4chan" title="4chan">4chan</a> (možno nahrát videa menší než 3 MB, kratší než 120 sekund). </p><p>Formát WebM je také podporován v rozhraní <a href="/wiki/WebRTC" title="WebRTC">WebRTC</a>, otevřeném standardu pro komunikaci v reálném čase pomocí webového prohlížeče, který už podporují webové prohlížeče Firefox, Opera a Chrome. </p><p>WebM přehrají multimediální přehrávače <a href="/wiki/VLC" class="mw-redirect" title="VLC">VLC</a>, <a href="/wiki/The_KMPlayer" title="The KMPlayer">KMPlayer</a>, <a href="/wiki/MPlayer" title="MPlayer">MPlayer</a>, <a href="/wiki/Winamp" title="Winamp">Winamp</a>, Miro. Podpora pro WebM je součástí i multimediálních frameworků <a href="/wiki/FFmpeg" title="FFmpeg">FFmpeg</a> a <a href="/wiki/Libav" class="mw-redirect" title="Libav">Libav</a>. </p><p>Hardwarovou akceleraci pro WebM/VP9 již oznámila řada předních výrobců čipů. Podpora WebM je zahrnuta v některých z nových generací chytrých mobilních telefonů, tabletů a <a href="/wiki/Chytr%C3%BD_televizor" title="Chytrý televizor">chytrých televizorů</a>. Výrobci kamer Sony, LG a Panasonic představili první produkty umožňující záznam do WebM/VP9. </p><p>V roce 2013 VP9 byl povolen ve výchozím nastavení v Google Chrome  Dev Channel.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>NVIDIA ve spolupráci s Mozillou a YouTube umožnila přehrávání 3D WebM ve Firefoxu 4.<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>11. listopadu 2010 společnost Chips&Media představila první ukázku FPGA pro hardwarové dekódování VP8.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Licence">Licence</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=WebM&veaction=edit&section=2" title="Editace sekce: Licence" class="mw-editsection-visualeditor"><span>editovat</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=WebM&action=edit&section=2" title="Editovat zdrojový kód sekce Licence"><span>editovat zdroj</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Zdrojové kódy softwarových nástrojů projektu WebM jsou distribuovány pod open-source licencí BSD. </p><p>Formáty používané v souborech WebM se liší.  Video streamy v tomto formátu jsou komprimovány ve formátech VP8, VP9, AVC (H.264), AV1. Audio streamy jsou komprimovány ve formátech Opus a Vorbis.<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> Základní formáty VP8, VP9, Opus a Vorbis jsou bez licenčního poplatku. To platí i pro AV1. Komerční použití AVC (H.264) vyžaduje licenci<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> v zemích, kde platí <a href="/wiki/Softwarov%C3%BD_patent" title="Softwarový patent">softwarové patenty</a>. </p><p>Společnosti Apple a Microsoft jsou součástí patentového fondu MPEG-LA. Vlastní patenty na techniky používané v licencovaných formátech a účtují si za ně licenční poplatky. Proto nadále používaly formáty jako H.264. Microsoft však v roce 2015 oficiálně oznámil, že podpora WebM/VP9 bude dostupná ve Windows Insider Preview builds.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> V roce 2016 oznámil, že Microsoft Edge bude podporovat kontejner WebM, video formát VP9 a zvukový formát Opus na webech, které používají rozšíření Media Source Extensions (MSE).<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> V roce 2021 začal verzí 14.1 formát WebM podporovat i prohlížeč společnosti Apple, Safari <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> <div class="mw-heading mw-heading2"><h2 id="Odkazy">Odkazy</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=WebM&veaction=edit&section=3" title="Editace sekce: Odkazy" class="mw-editsection-visualeditor"><span>editovat</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=WebM&action=edit&section=3" title="Editovat zdrojový kód sekce Odkazy"><span>editovat zdroj</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Reference">Reference</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=WebM&veaction=edit&section=4" title="Editace sekce: Reference" class="mw-editsection-visualeditor"><span>editovat</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=WebM&action=edit&section=4" title="Editovat zdrojový kód sekce Reference"><span>editovat zdroj</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><cite class="book" style="font-style:normal;">PATEL, Nilay. <i>Google launches open WebM web video format based on VP8 (update: hardware partners and Microsoft statement)</i> [online]. Engadget, 2010-05-19 [cit. 2020-12-17]. <a rel="nofollow" class="external text" href="https://www.engadget.com/2010-05-19-google-launches-open-webm-web-video-format-based-on-vp8.html">Dostupné online</a>. (anglicky)</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rfr_id=info:sid/cs.wikipedia.org:templatecitaceelmonografie&rft.btitle=Google+launches+open+WebM+web+video+format+based+on+VP8+%28update%3A+hardware+partners+and+Microsoft+statement%29&rft_id=https%3A%2F%2Fwww.engadget.com%2F2010-05-19-google-launches-open-webm-web-video-format-based-on-vp8.html&rft.aulast=Patel&rft.aufirst=Nilay&rft.pub=Engadget"><span style="display:none"> </span></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><cite class="book" style="font-style:normal;">LEE, Matt. <i>Free Software Foundation statement on WebM and VP8</i> [online]. Free Software Foundation, 2010-05-19 [cit. 2020-12-17]. <a rel="nofollow" class="external text" href="https://www.fsf.org/news/free-software-foundation-statement-on-webm-and-vp8">Dostupné online</a>. (anglicky)</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rfr_id=info:sid/cs.wikipedia.org:templatecitaceelmonografie&rft.btitle=Free+Software+Foundation+statement+on+WebM+and+VP8&rft_id=https%3A%2F%2Fwww.fsf.org%2Fnews%2Ffree-software-foundation-statement-on-webm-and-vp8&rft.aulast=Lee&rft.aufirst=Matt&rft.pub=Free+Software+Foundation"><span style="display:none"> </span></span></span> </li> <li id="cite_note-Luther-3"><span class="mw-cite-backlink">↑ <a href="#cite_ref-Luther_3-0"><sup style="font-style: italic; font-weight: bold; vertical-align: top">a</sup></a> <a href="#cite_ref-Luther_3-1"><sup style="font-style: italic; font-weight: bold; vertical-align: top">b</sup></a></span> <span class="reference-text"><cite class="book" style="font-style:normal;">LUTHER, John. <i>What is WebM?</i> [online]. YouTube, 2012-01-18 [cit. 2020-12-17]. <a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=IETReChj4Xk">Dostupné online</a>. (anglicky)</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rfr_id=info:sid/cs.wikipedia.org:templatecitaceelmonografie&rft.btitle=What+is+WebM%3F&rft_id=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DIETReChj4Xk&rft.aulast=Luther&rft.aufirst=John&rft.pub=YouTube"><span style="display:none"> </span></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text"><cite class="book" style="font-style:normal;">QUILLIO, Lou. <i>VP9 Lands in Chrome Dev Channel</i> [online]. The WebM Project, 2013-07-01 [cit. 2020-12-17]. <a rel="nofollow" class="external text" href="http://blog.webmproject.org/2013/07/vp9-lands-in-chrome-dev-channel.html?m=0">Dostupné online</a>. (anglicky)</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rfr_id=info:sid/cs.wikipedia.org:templatecitaceelmonografie&rft.btitle=VP9+Lands+in+Chrome+Dev+Channel&rft_id=http%3A%2F%2Fblog.webmproject.org%2F2013%2F07%2Fvp9-lands-in-chrome-dev-channel.html%3Fm%3D0&rft.aulast=Quillio&rft.aufirst=Lou&rft.pub=The+WebM+Project"><span style="display:none"> </span></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text"><cite class="book" style="font-style:normal;">BARAD, Jon. <i>YouTube Now In 3D Vision</i> [online]. The Official NVIDIA Blog, 2011-05-26 [cit. 2020-12-17]. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210401044125/https://blogs.nvidia.com/">Dostupné v archivu</a> pořízeném dne 2021-04-01. (anglicky)</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rfr_id=info:sid/cs.wikipedia.org:templatecitaceelmonografie&rft.btitle=YouTube+Now+In+3D+Vision&rft_id=https%3A%2F%2Fblogs.nvidia.com%2Fblog%2F2011%2F05%2F26%2Fyoutube-now-in-3d-vision%2F&rft.aulast=Barad&rft.aufirst=Jon&rft.pub=The+Official+NVIDIA+Blog"><span style="display:none"> </span></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><a href="#cite_ref-6">↑</a></span> <span class="reference-text"><cite class="book" style="font-style:normal;"> <i>Chips&Media delivers latest dual HD video IP core with VP8 hardware decoding capability</i> [online]. Design And Reuse, 2010-11-18 [cit. 2020-12-17]. <a rel="nofollow" class="external text" href="https://www.design-reuse.com/news/24961/dual-hd-video-ip-core-vp8.html">Dostupné online</a>. (anglicky)</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rfr_id=info:sid/cs.wikipedia.org:templatecitaceelmonografie&rft.btitle=Chips%26Media+delivers+latest+dual+HD+video+IP+core+with+VP8+hardware+decoding+capability&rft_id=https%3A%2F%2Fwww.design-reuse.com%2Fnews%2F24961%2Fdual-hd-video-ip-core-vp8.html&rft.pub=Design+And+Reuse"><span style="display:none"> </span></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><a href="#cite_ref-7">↑</a></span> <span class="reference-text"><cite class="book" style="font-style:normal;"> <i>About WebM</i> [online]. The WebM Project [cit. 2020-12-17]. <a rel="nofollow" class="external text" href="https://www.webmproject.org/about/">Dostupné online</a>. (anglicky)</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rfr_id=info:sid/cs.wikipedia.org:templatecitaceelmonografie&rft.btitle=About+WebM&rft_id=https%3A%2F%2Fwww.webmproject.org%2Fabout%2F&rft.pub=The+WebM+Project"><span style="display:none"> </span></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><a href="#cite_ref-8">↑</a></span> <span class="reference-text"><cite class="book" style="font-style:normal;"> <i>AVC/H.264 Patent Portfolio License Agreement Summary</i> [online]. MPEG LA [cit. 2020-12-17]. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210401044050/https://www.mpegla.com/programs/avc-h-264/license-agreement/">Dostupné v archivu</a> pořízeném dne 2021-04-01. (anglicky)</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rfr_id=info:sid/cs.wikipedia.org:templatecitaceelmonografie&rft.btitle=AVC%2FH.264+Patent+Portfolio+License+Agreement+Summary&rft_id=https%3A%2F%2Fwww.mpegla.com%2Fprograms%2Favc-h-264%2Flicense-agreement%2F&rft.pub=MPEG+LA"><span style="display:none"> </span></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><a href="#cite_ref-9">↑</a></span> <span class="reference-text"><cite class="book" style="font-style:normal;">SMITH, Jerry. <i>Announcing VP9 support coming to Microsoft Edge</i> [online]. Microsoft Edge Blog, 2015-09-08 [cit. 2020-12-17]. <a rel="nofollow" class="external text" href="https://blogs.windows.com/msedgedev/2015/09/08/announcing-vp9-support-coming-to-microsoft-edge/">Dostupné online</a>. (anglicky)</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rfr_id=info:sid/cs.wikipedia.org:templatecitaceelmonografie&rft.btitle=Announcing+VP9+support+coming+to+Microsoft+Edge&rft_id=https%3A%2F%2Fblogs.windows.com%2Fmsedgedev%2F2015%2F09%2F08%2Fannouncing-vp9-support-coming-to-microsoft-edge%2F&rft.aulast=Smith&rft.aufirst=Jerry&rft.pub=Microsoft+Edge+Blog"><span style="display:none"> </span></span></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><a href="#cite_ref-10">↑</a></span> <span class="reference-text"><cite class="book" style="font-style:normal;"> <i>WebM, VP9 and Opus Support in Microsoft Edge</i> [online]. Microsoft Edge Blog, 2016-04-18 [cit. 2020-12-17]. <a rel="nofollow" class="external text" href="https://blogs.windows.com/msedgedev/2016/04/18/webm-vp9-and-opus-support-in-microsoft-edge/">Dostupné online</a>. (anglicky)</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rfr_id=info:sid/cs.wikipedia.org:templatecitaceelmonografie&rft.btitle=WebM%2C+VP9+and+Opus+Support+in+Microsoft+Edge&rft_id=https%3A%2F%2Fblogs.windows.com%2Fmsedgedev%2F2016%2F04%2F18%2Fwebm-vp9-and-opus-support-in-microsoft-edge%2F&rft.pub=Microsoft+Edge+Blog"><span style="display:none"> </span></span></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><a href="#cite_ref-11">↑</a></span> <span class="reference-text"><cite class="book" style="font-style:normal;">AVIS. <i>New WebKit Features in Safari 14.1</i> [online]. 2021-04-29 [cit. 2022-02-23]. <a rel="nofollow" class="external text" href="https://webkit.org/blog/11648/new-webkit-features-in-safari-14-1/">Dostupné online</a>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rfr_id=info:sid/cs.wikipedia.org:templatecitaceelmonografie&rft.btitle=New+WebKit+Features+in+Safari+14.1&rft_id=https%3A%2F%2Fwebkit.org%2Fblog%2F11648%2Fnew-webkit-features-in-safari-14-1%2F&rft.aulast=avis"><span style="display:none"> </span></span></span> </li> </ol></div> <div class="mw-heading mw-heading3"><h3 id="Související_články"><span id="Souvisej.C3.ADc.C3.AD_.C4.8Dl.C3.A1nky"></span>Související články</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=WebM&veaction=edit&section=5" title="Editace sekce: Související články" class="mw-editsection-visualeditor"><span>editovat</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=WebM&action=edit&section=5" title="Editovat zdrojový kód sekce Související články"><span>editovat zdroj</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/HTML5_video" title="HTML5 video">HTML5 video</a> – součást specifikace HTML5</li> <li><a href="/wiki/VP8" title="VP8">VP8</a> – formát komprese a kodek videa</li> <li><a href="/wiki/VP9" title="VP9">VP9</a> – formát komprese a kodek videa</li> <li><a href="/wiki/Vorbis" title="Vorbis">Vorbis</a> – ztrátový audio formát</li> <li><a href="/wiki/Opus_(kompresn%C3%AD_form%C3%A1t)" title="Opus (kompresní formát)">Opus</a> – ztrátový audio formát</li> <li><a href="/wiki/Matroska" title="Matroska">Matroska</a> – multimediální kontejner</li> <li><a href="/wiki/WebP" title="WebP">WebP</a> – související formát pro rastrovou grafiku</li></ul> <div class="mw-heading mw-heading3"><h3 id="Externí_odkazy"><span id="Extern.C3.AD_odkazy"></span>Externí odkazy</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=WebM&veaction=edit&section=6" title="Editace sekce: Externí odkazy" class="mw-editsection-visualeditor"><span>editovat</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=WebM&action=edit&section=6" title="Editovat zdrojový kód sekce Externí odkazy"><span>editovat zdroj</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="wd"><span class="sisterproject sisterproject-commons"><span class="sisterproject_image"><span typeof="mw:File"><a href="/wiki/Wikimedia_Commons" title="Wikimedia Commons"><img alt="Logo Wikimedia Commons" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span></span> <span class="sisterproject_text">Obrázky, zvuky či videa k tématu <span class="sisterproject_text_target"><a href="https://commons.wikimedia.org/wiki/Category:WebM_videos" class="extiw" title="c:Category:WebM videos">WebM</a></span> na <a href="/wiki/Wikimedia_Commons" title="Wikimedia Commons">Wikimedia Commons</a></span></span></span><i> </i></li> <li><a rel="nofollow" class="external text" href="http://www.webmproject.org/">Oficiální stránky</a></li> <li><a rel="nofollow" class="external text" href="http://dev.opera.com/articles/view/opera-supports-webm-video/">Vkládání do HTML5</a>, Dev.Opera</li> <li><a rel="nofollow" class="external text" href="https://webm.html5.org/test.webm">WebM testovací video na stránkách HTML5.org</a></li></ul> <table class="plainlinks metadata noprint pahyl" cellpadding="2" style="background: transparent;"> <tbody><tr> <td><figure class="mw-halign-left" typeof="mw:File"><a href="/wiki/Soubor:Wiki_letter_w.svg" class="mw-file-description" title="Pahýl"><img alt="Pahýl" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Wiki_letter_w.svg/40px-Wiki_letter_w.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Wiki_letter_w.svg/60px-Wiki_letter_w.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Wiki_letter_w.svg/80px-Wiki_letter_w.svg.png 2x" data-file-width="44" data-file-height="44" /></a><figcaption>Pahýl</figcaption></figure> </td> <td><i>Tento článek je příliš stručný nebo <a href="/wiki/Wikipedie:Pah%C3%BDl" title="Wikipedie:Pahýl">postrádá důležité informace</a>.<br />Pomozte Wikipedii tím, že jej vhodně <a class="external text" href="https://cs.wikipedia.org/w/index.php?title=WebM&action=edit">rozšíříte</a>. Nevkládejte však <a href="/wiki/Wikipedie:Autorsk%C3%A9_pr%C3%A1vo#Publikování_cizích_autorských_děl" title="Wikipedie:Autorské právo">bez oprávnění</a> cizí texty.</i> </td></tr></tbody></table> <div class="navbox noprint" title="Kompresní formáty"><table title="" class="navbox-navbox mw-collapsible autocollapse nowraplinks noprint" cellspacing="0" data-collapsetext="skrýt" data-expandtext="zobrazit"><style data-mw-deduplicate="TemplateStyles:r17064757">.mw-parser-output .navbox-title .mw-collapsible-toggle{font-weight:normal}</style><tbody><tr> <th class="navbox-title" colspan="2"> <span class="navbox-titletext"><a href="/wiki/Komprese_dat" title="Komprese dat">Formáty audiovizuálních dat</a></span> </th> </tr><tr class="navbox-padding"><td></td></tr> <tr> <td class="navbox-group">Obrázky</td> <td class="navbox-list navbox-odd"> <div> <a href="/wiki/Animated_Portable_Network_Graphics" title="Animated Portable Network Graphics">APNG</a> • <a href="/wiki/BMP" title="BMP">BMP</a> • <a href="/wiki/GIF" title="GIF">GIF</a> • <a href="/wiki/High_Efficiency_Image_File_Format" title="High Efficiency Image File Format">HEIF</a> • <a href="/wiki/JPEG" title="JPEG">JPEG</a> • <a href="/wiki/JPEG_2000" title="JPEG 2000">JPEG 2000</a> • <a href="/wiki/JPEG_XL" title="JPEG XL">JPEG XL</a> • <a href="/wiki/JPEG_XR" title="JPEG XR">JPEG XR</a> • <a href="/wiki/Multiple-image_Network_Graphics" title="Multiple-image Network Graphics">MNG</a> • <a href="/wiki/PC_Paintbrush_File_Format" title="PC Paintbrush File Format">PCX</a> • <a href="/wiki/Portable_Network_Graphics" title="Portable Network Graphics">PNG</a> • <a href="/wiki/QOI" title="QOI">QOI</a> • <a href="/wiki/Scalable_Vector_Graphics" title="Scalable Vector Graphics">SVG</a> • <a href="/wiki/TGA" title="TGA">TGA</a> • <a href="/wiki/Tagged_Image_File_Format" title="Tagged Image File Format">TIFF</a> • <a href="/wiki/Wireless_Application_Protocol_Bitmap_Format" title="Wireless Application Protocol Bitmap Format">WBMP</a> • <a href="/wiki/WebP" title="WebP">WebP</a> • <a href="/wiki/X_PixMap" title="X PixMap">XPM</a></div> </td> </tr><tr class="navbox-padding"><td></td></tr> <tr> <td class="navbox-group">Video</td> <td class="navbox-list navbox-even"> <div> <a href="/wiki/AV1" title="AV1">AV1</a> • <a href="/wiki/Daala" title="Daala">Daala</a> • <a href="/wiki/Dirac_(kompresn%C3%AD_form%C3%A1t)" title="Dirac (kompresní formát)">Dirac</a>• <a href="/wiki/Huffyuv" title="Huffyuv">HuffYUV</a> • <a href="/wiki/Versatile_Video_Coding" title="Versatile Video Coding">VVC / H.266 / MPEG-I část 3</a> • <a href="/wiki/High_Efficiency_Video_Coding" title="High Efficiency Video Coding">HEVC / H.265 / MPEG-H část 2</a> • <a href="/wiki/Essential_Video_Coding" title="Essential Video Coding">MPEG-5 (část 1 EVC</a>, <a href="/wiki/LCEVC" title="LCEVC">část 2 LCEVC</a>) • <a href="/wiki/H.264" title="H.264"> MPEG-4 AVC / H.264</a> • <a href="/wiki/MPEG-4_ASP" title="MPEG-4 ASP">MPEG-4 ASP / H.263</a> • <a href="/wiki/MPEG-2_Video" title="MPEG-2 Video">MPEG-2 Video / H.262</a> • <a href="/wiki/MPEG-1" title="MPEG-1">MPEG-1</a> • <a href="/wiki/RealMedia" title="RealMedia">RealVideo</a> • <a href="/wiki/Theora" title="Theora">Theora</a> • <a href="/wiki/VP8" title="VP8">VP8</a> • <a href="/wiki/VP9" title="VP9">VP9</a> • <a href="/wiki/Windows_Media_Video" title="Windows Media Video">WMV</a></div> </td> </tr><tr class="navbox-padding"><td></td></tr> <tr> <td class="navbox-group">Zvuk</td> <td class="navbox-list navbox-odd"> <div> <a href="/wiki/Advanced_Audio_Coding" title="Advanced Audio Coding">AAC</a> • <a href="/wiki/Dolby_Digital" title="Dolby Digital">AC-3</a> • <a href="/wiki/AMR_(kodek)" title="AMR (kodek)">AMR</a> • <a href="/wiki/Apple_Lossless" title="Apple Lossless">Apple Lossless</a> • <a href="/wiki/Adaptive_Transform_Acoustic_Coding" title="Adaptive Transform Acoustic Coding">ATRAC</a> • <a href="/wiki/Free_Lossless_Audio_Codec" title="Free Lossless Audio Codec">FLAC</a> • <a href="/wiki/G.711" title="G.711">G.711</a> • <a href="/wiki/G.729" title="G.729">G.729</a> • <a href="/wiki/MOD" title="MOD">MOD</a> • <a href="/wiki/MP3" title="MP3">MP3</a> • <a href="/wiki/Musepack" title="Musepack">Musepack</a> • <a href="/wiki/Opus_(kompresn%C3%AD_form%C3%A1t)" title="Opus (kompresní formát)">Opus</a> • <a href="/wiki/Speex" title="Speex">Speex</a> • <a href="/wiki/Vorbis" title="Vorbis">Vorbis</a> • <a href="/wiki/Windows_Media_Audio" title="Windows Media Audio">WMA</a></div> </td> </tr><tr class="navbox-padding"><td></td></tr> <tr> <td class="navbox-group">Kontejnery</td> <td class="navbox-list navbox-even"> <div> <a href="/wiki/3GP" title="3GP">3GP</a> • <a href="/wiki/Advanced_Systems_Format" title="Advanced Systems Format">ASF</a> • <a href="/wiki/Audio_Video_Interleave" title="Audio Video Interleave">AVI</a> • <a href="/wiki/BDAV_MPEG-2_Transport_Stream" title="BDAV MPEG-2 Transport Stream">BDAV M2TS</a> • <a href="/wiki/ISOBMFF" title="ISOBMFF">ISOBMFF</a> • <a href="/wiki/Matroska" title="Matroska">Matroska</a> • <a href="/wiki/MP4" title="MP4">MP4</a> • <a href="/wiki/MPEG" title="MPEG">MPEG</a> • <a href="/wiki/Ogg" title="Ogg">Ogg</a> • <a href="/wiki/QuickTime" title="QuickTime">QuickTime</a> • <a href="/wiki/Resource_Interchange_File_Format" title="Resource Interchange File Format">RIFF</a> (<a href="/wiki/WAV" title="WAV">WAV</a>) • <a class="mw-selflink selflink">WebM</a></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" data-nosnippet="">Citováno z „<a dir="ltr" href="https://cs.wikipedia.org/w/index.php?title=WebM&oldid=23483540">https://cs.wikipedia.org/w/index.php?title=WebM&oldid=23483540</a>“</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" 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