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class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Receivers"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Receivers</span> </div> </a> <ul id="toc-Receivers-sublist" class="vector-toc-list"> </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">6</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">7</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">8</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">1seg</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 7 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-7" 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">7 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/%D9%88%D8%A7%D9%86%D8%B3%D9%8A%D8%BA" title="وانسيغ – Arabic" lang="ar" hreflang="ar" data-title="وانسيغ" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/1seg" title="1seg – Spanish" lang="es" hreflang="es" data-title="1seg" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%9B%90%EC%84%B8%EA%B7%B8" title="원세그 – Korean" lang="ko" hreflang="ko" data-title="원세그" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%AF%E3%83%B3%E3%82%BB%E3%82%B0" title="ワンセグ – Japanese" lang="ja" hreflang="ja" data-title="ワンセグ" 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-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/1seg" title="1seg – Polish" lang="pl" hreflang="pl" data-title="1seg" 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/1seg" title="1seg – Portuguese" lang="pt" hreflang="pt" data-title="1seg" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/1seg" title="1seg – Chinese" lang="zh" hreflang="zh" data-title="1seg" 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/Q1193713#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 id="left-navigation"> <nav aria-label="Namespaces"> <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/1seg" title="View the content page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:1seg" rel="discussion" title="Discuss improvements to the content page [t]" accesskey="t"><span>Talk</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="Change language variant" > <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">English</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="Views"> <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/1seg"><span>Read</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=1seg&action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=1seg&action=history" title="Past revisions of this page [h]" accesskey="h"><span>View history</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <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="Tools" > <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">Tools</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">Tools</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">hide</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="More options" > <div class="vector-menu-heading"> Actions </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/1seg"><span>Read</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=1seg&action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=1seg&action=history"><span>View history</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:WhatLinksHere/1seg" title="List of all English Wikipedia pages containing links to this page [j]" accesskey="j"><span>What links here</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:RecentChangesLinked/1seg" rel="nofollow" title="Recent changes in pages linked from this page [k]" accesskey="k"><span>Related changes</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_Upload_Wizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q"><span>Special pages</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=1seg&oldid=1257163747" title="Permanent link to this revision of this page"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=1seg&action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:CiteThisPage&page=1seg&id=1257163747&wpFormIdentifier=titleform" title="Information on how to cite this page"><span>Cite this page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2F1seg"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2F1seg"><span>Download QR code</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"> Print/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=1seg&action=show-download-screen" title="Download this page as a PDF file"><span>Download as PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=1seg&printable=yes" title="Printable version of this page [p]" accesskey="p"><span>Printable version</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"> In other projects </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:1seg" 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/Q1193713" title="Structured data on this page hosted by Wikidata [g]" accesskey="g"><span>Wikidata item</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="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <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">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</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">From Wikipedia, the free encyclopedia</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="en" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><table class="box-More_citations_needed plainlinks metadata ambox ambox-content ambox-Refimprove" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This article <b>needs additional citations for <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">verification</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/1seg" title="Special:EditPage/1seg">improve this article</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and removed.<br /><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%221seg%22">"1seg"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%221seg%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%221seg%22&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%221seg%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%221seg%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%221seg%22&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">March 2023</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Multimedia broadcasting service for mobile</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><style data-mw-deduplicate="TemplateStyles:r1242257876">.mw-parser-output .ib-company .infobox-label{padding-right:0.5em}.mw-parser-output .ib-company .infobox-data,.mw-parser-output .ib-company .infobox-below{line-height:1.35em}.mw-parser-output .ib-company-logo img{background-color:#f8f9fa}.mw-parser-output .ib-company-locality,.mw-parser-output .ib-company-country{display:inline}</style><table class="infobox ib-company vcard"><caption class="infobox-title fn org">1seg</caption><tbody><tr><td colspan="2" class="infobox-image ib-company-logo logo"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:1seg_logo.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/en/thumb/9/90/1seg_logo.svg/220px-1seg_logo.svg.png" decoding="async" width="220" height="50" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/90/1seg_logo.svg/330px-1seg_logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/90/1seg_logo.svg/440px-1seg_logo.svg.png 2x" data-file-width="220" data-file-height="50" /></a></span><div class="infobox-caption">1seg logo in Japan</div></td></tr><tr><th scope="row" class="infobox-label">Company type</th><td class="infobox-data category"><a href="/wiki/Privately_held_company" title="Privately held company">Incentive</a></td></tr><tr><th scope="row" class="infobox-label">Founded</th><td class="infobox-data">2005<br /><a href="/wiki/Japan" title="Japan">Japan</a></td></tr><tr><th scope="row" class="infobox-label">Headquarters</th><td class="infobox-data label"><a href="/wiki/Japan" title="Japan">Japan</a></td></tr></tbody></table> <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 dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist 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.sidebar{width:100%!important;clear:both;float:none!important;margin-left:0!important;margin-right:0!important}}body.skin--responsive .mw-parser-output .sidebar a>img{max-width:none!important}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sidebar:not(.notheme) .sidebar-list-title,html.skin-theme-clientpref-night .mw-parser-output .sidebar:not(.notheme) .sidebar-title-with-pretitle{background:transparent!important}html.skin-theme-clientpref-night .mw-parser-output .sidebar:not(.notheme) .sidebar-title-with-pretitle a{color:var(--color-progressive)!important}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sidebar:not(.notheme) .sidebar-list-title,html.skin-theme-clientpref-os .mw-parser-output .sidebar:not(.notheme) .sidebar-title-with-pretitle{background:transparent!important}html.skin-theme-clientpref-os .mw-parser-output .sidebar:not(.notheme) .sidebar-title-with-pretitle a{color:var(--color-progressive)!important}}@media print{body.ns-0 .mw-parser-output .sidebar{display:none!important}}</style><style data-mw-deduplicate="TemplateStyles:r886047488">.mw-parser-output .nobold{font-weight:normal}</style><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><table class="sidebar nomobile nowraplinks" style="width:180px"><tbody><tr><th class="sidebar-title" style="background-color:#ccccff; font-size:110%">List of <a href="/wiki/Digital_television" title="Digital television">digital television</a> broadcast standards</th></tr><tr><th class="sidebar-heading" style="border-style:double none; text-align:left"> <a href="/wiki/DVB" title="DVB">DVB</a> standards <span class="nobold">(<a href="/wiki/DVB-T#Countries_and_territories_using_DVB-T_or_DVB-T2" title="DVB-T">countries</a>)</span></th></tr><tr><td class="sidebar-content" style="text-align:left"> <ul><li><a href="/wiki/DVB-T" title="DVB-T">DVB-T</a> (<a href="/wiki/Digital_terrestrial_television" title="Digital terrestrial television">terrestrial</a>) <ul><li><a href="/wiki/DVB-T2" title="DVB-T2">DVB-T2</a></li></ul></li> <li><a href="/wiki/DVB-S" title="DVB-S">DVB-S</a> (<a href="/wiki/Satellite_television" title="Satellite television">satellite</a>) <ul><li><a href="/wiki/DVB-S2" title="DVB-S2">DVB-S2</a></li> <li><a href="/wiki/DVB-S2X" title="DVB-S2X">DVB-S2X</a></li></ul></li> <li><a href="/wiki/DVB-C" title="DVB-C">DVB-C</a> (<a href="/wiki/Cable_television" title="Cable television">cable</a>) <ul><li><a href="/wiki/DVB-C#DVB-C2" title="DVB-C">DVB-C2</a></li></ul></li> <li><a href="/wiki/DVB-H" title="DVB-H">DVB-H</a> (handheld) <ul><li><a href="/wiki/DVB-H#DVB-NGH" title="DVB-H">DVB-NGH</a></li> <li>DVB-T2-Lite</li> <li><a href="/wiki/DVB-SH" title="DVB-SH">DVB-SH</a> (satellite)</li></ul></li> <li><a href="/w/index.php?title=DVB-I&action=edit&redlink=1" class="new" title="DVB-I (page does not exist)">DVB-I</a> (service discovery)</li></ul></td> </tr><tr><th class="sidebar-heading" style="border-style:double none; text-align:left"> <a href="/wiki/ATSC_standards" title="ATSC standards">ATSC</a> standards <span class="nobold">(<a href="/wiki/ATSC_standards#Countries_and_territories_using_ATSC" title="ATSC standards">countries</a>)</span></th></tr><tr><td class="sidebar-content" style="text-align:left"> <ul><li><a href="/wiki/Advanced_Television_Systems_Committee_standards" class="mw-redirect" title="Advanced Television Systems Committee standards">ATSC</a> (<a href="/wiki/Digital_terrestrial_television" title="Digital terrestrial television">terrestrial</a>/cable/satellite) <ul><li><a href="/wiki/Advanced_Television_Systems_Committee_standards#ATSC_2.0" class="mw-redirect" title="Advanced Television Systems Committee standards">ATSC 2.0</a></li> <li><a href="/wiki/ATSC_3.0" title="ATSC 3.0">ATSC 3.0</a></li></ul></li> <li><a href="/wiki/ATSC-M/H" title="ATSC-M/H">ATSC-M/H</a> (mobile/handheld)</li></ul></td> </tr><tr><th class="sidebar-heading" style="border-style:double none; text-align:left"> <a href="/wiki/ISDB" title="ISDB">ISDB</a> standards <span class="nobold">(<a href="/wiki/ISDB#Countries_and_territories_using_ISDB-T" title="ISDB">countries</a>)</span></th></tr><tr><td class="sidebar-content" style="text-align:left"> <ul><li><a href="/wiki/ISDB#ISDB-T" title="ISDB">ISDB-T</a> (<a href="/wiki/Digital_terrestrial_television" title="Digital terrestrial television">terrestrial</a>) <ul><li><a href="/wiki/ISDB-T_International" title="ISDB-T International">SBTVD / ISDB-T International</a></li> <li><a class="mw-selflink selflink">1seg</a> (<a href="/wiki/Mobile_device" title="Mobile device">handheld</a>) <ul><li><a href="/wiki/ISDB-T#ISDB-Tmm" class="mw-redirect" title="ISDB-T">ISDB-Tmm</a></li> <li><a href="/wiki/ISDB#ISDB-Tsb" title="ISDB">ISDB-Tsb</a> (<a href="/wiki/Digital_radio" title="Digital radio">radio</a>)</li> <li><a href="/wiki/MobaHo!" title="MobaHo!">MobaHo!</a> (satellite)</li></ul></li> <li>Advanced ISDB-T</li></ul></li> <li><a href="/wiki/ISDB#ISDB-S" title="ISDB">ISDB-S</a> (<a href="/wiki/Satellite_television" title="Satellite television">satellite</a>) <ul><li><a href="/wiki/ISDB#ISDB-S3" title="ISDB">ISDB-S3</a></li></ul></li> <li><a href="/wiki/ISDB#ISDB-C" title="ISDB">ISDB-C</a> (<a href="/wiki/Cable_television" title="Cable television">cable</a>)</li></ul></td> </tr><tr><th class="sidebar-heading" style="border-style:double none; text-align:left"> <a href="/wiki/Digital_Terrestrial_Multimedia_Broadcast" title="Digital Terrestrial Multimedia Broadcast">DTMB</a> standards <span class="nobold">(<a href="/wiki/Digital_Terrestrial_Multimedia_Broadcast#Countries_and_territories_using_DTMB" title="Digital Terrestrial Multimedia Broadcast">countries</a>)</span></th></tr><tr><td class="sidebar-content" style="text-align:left"> <ul><li><a href="/wiki/Digital_Terrestrial_Multimedia_Broadcast" title="Digital Terrestrial Multimedia Broadcast">DTMB</a> (terrestrial/mobile) <ul><li>DTMB-A</li></ul></li> <li><a href="/wiki/China_Multimedia_Mobile_Broadcasting" title="China Multimedia Mobile Broadcasting">CMMB</a> (handheld)</li> <li>ABS-S (satellite)</li></ul></td> </tr><tr><th class="sidebar-heading" style="border-style:double none; text-align:left"> <a href="/wiki/Digital_multimedia_broadcasting" title="Digital multimedia broadcasting">DMB</a> standard <span class="nobold">(<a href="/wiki/Digital_multimedia_broadcasting#Countries_using_DMB" title="Digital multimedia broadcasting">countries</a>)</span></th></tr><tr><td class="sidebar-content" style="text-align:left"> <ul><li><a href="/wiki/Digital_Multimedia_Broadcasting#T-DMB" class="mw-redirect" title="Digital Multimedia Broadcasting">T-DMB</a> (mobile/handheld) <ul><li><a href="/wiki/Digital_Multimedia_Broadcasting#HD_DMB" class="mw-redirect" title="Digital Multimedia Broadcasting">HD-DMB</a></li></ul></li> <li><a href="/wiki/S-DMB" title="S-DMB">S-DMB</a> (satellite)</li></ul></td> </tr><tr><th class="sidebar-heading" style="border-style:double none; text-align:left"> <a href="/wiki/Video_codec" title="Video codec">Codecs</a></th></tr><tr><td class="sidebar-content" style="text-align:left"> <ul><li>Video <ul><li><a href="/wiki/Versatile_Video_Coding" title="Versatile Video Coding">H.266/MPEG-I Part 3 VVC</a></li> <li><a href="/wiki/High_Efficiency_Video_Coding" title="High Efficiency Video Coding">H.265/MPEG-H HEVC</a></li> <li><a href="/wiki/H.264/MPEG-4_AVC" class="mw-redirect" title="H.264/MPEG-4 AVC">H.264/MPEG-4 AVC</a></li> <li><a href="/wiki/MPEG-4_Part_2" title="MPEG-4 Part 2">MPEG-4 Part 2</a></li> <li><a href="/wiki/H.262/MPEG-2_Part_2" title="H.262/MPEG-2 Part 2">H.262/MPEG-2 Part 2</a></li> <li><a href="/wiki/VC-1" title="VC-1">VC-1</a></li> <li><a href="/wiki/Audio_Video_Standard#Third_generation" title="Audio Video Standard">AVS3/AVS3-P2</a></li> <li><a href="/wiki/Audio_Video_Standard#Second_generation" title="Audio Video Standard">AVS2</a></li> <li><a href="/wiki/Audio_Video_Standard#First_generation" title="Audio Video Standard">AVS+/AVS1-P16</a></li> <li><a href="/wiki/Audio_Video_Standard#First_generation" title="Audio Video Standard">AVS/AVS1-P2</a></li></ul></li></ul> <ul><li>Audio <ul><li><a href="/wiki/MPEG-H_3D_Audio" title="MPEG-H 3D Audio">MPEG-H</a></li> <li><a href="/wiki/Audio_Video_Standard#Third_generation" title="Audio Video Standard">AV3A/AVS3-P3</a></li> <li><a href="/wiki/High-Efficiency_Advanced_Audio_Coding" title="High-Efficiency Advanced Audio Coding">HE-AAC</a></li> <li><a href="/wiki/Advanced_Audio_Coding" title="Advanced Audio Coding">AAC</a></li> <li><a href="/wiki/Dolby_AC-4" title="Dolby AC-4">AC-4</a></li> <li><a href="/wiki/Dolby_Digital_Plus" title="Dolby Digital Plus">E-AC-3</a></li> <li><a href="/wiki/Dolby_Digital" title="Dolby Digital">AC-3</a></li> <li><a href="/wiki/Dynamic_Resolution_Adaptation" title="Dynamic Resolution Adaptation">DRA</a></li> <li><a href="/wiki/MP3" title="MP3">MP3</a></li> <li><a href="/wiki/MPEG-1_Audio_Layer_II" title="MPEG-1 Audio Layer II">MP2</a></li></ul></li></ul></td> </tr><tr><th class="sidebar-heading" style="border-style:double none; text-align:left"> Terrestrial <a href="/wiki/Radio_frequency" title="Radio frequency">Frequency bands</a></th></tr><tr><td class="sidebar-content" style="text-align:left"> <ul><li><a href="/wiki/Very_high_frequency" title="Very high frequency">VHF</a></li> <li><a href="/wiki/Ultra_high_frequency" title="Ultra high frequency">UHF</a></li> <li><a href="/wiki/Super_high_frequency" title="Super high frequency">SHF</a></li></ul></td> </tr><tr><th class="sidebar-heading" style="border-style:double none; text-align:left"> Satellite <a href="/wiki/Radio_spectrum" title="Radio spectrum">Frequency bands</a></th></tr><tr><td class="sidebar-content" style="text-align:left"> <ul><li><a href="/wiki/S_band" title="S band">S band</a></li> <li><a href="/wiki/C_band_(IEEE)" title="C band (IEEE)">C band</a></li> <li><a href="/wiki/Ku_band" title="Ku band">Ku band</a></li> <li><a href="/wiki/Ka_band" title="Ka band">Ka band</a></li></ul></td> </tr><tr><td class="sidebar-navbar"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Digital_video_broadcast_standards" title="Template:Digital video broadcast standards"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Digital_video_broadcast_standards" title="Template talk:Digital video broadcast standards"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Digital_video_broadcast_standards" title="Special:EditPage/Template:Digital video broadcast standards"><abbr title="Edit this template">e</abbr></a></li></ul></div></td></tr></tbody></table> <p><b>1seg</b><span style="font-weight: normal"> (<span title="Japanese-language text"><span lang="ja">ワンセグ</span></span>, <span title="Hepburn transliteration"><i lang="ja-Latn">wansegu</i></span>)</span> is a mobile terrestrial digital audio/video and data broadcasting service in <a href="/wiki/Japan" title="Japan">Japan</a>, <a href="/wiki/Argentina" title="Argentina">Argentina</a>, <a href="/wiki/Brazil" title="Brazil">Brazil</a>, <a href="/wiki/Chile" title="Chile">Chile</a>, <a href="/wiki/Uruguay" title="Uruguay">Uruguay</a>, <a href="/wiki/Paraguay" title="Paraguay">Paraguay</a>, <a href="/wiki/Peru" title="Peru">Peru</a> and the <a href="/wiki/Philippines" title="Philippines">Philippines</a>. Service began experimentally during 2005 and commercially on April 1, 2006. It is designed as a component of <a href="/wiki/ISDB#ISDB-T" title="ISDB">ISDB-T</a>, the terrestrial digital broadcast system used in those countries, as each channel is divided into 13 segments, with a further segment separating it from the next channel; an <a href="/wiki/High-definition_television" title="High-definition television">HDTV</a> broadcast signal occupies 12 segments, leaving the remaining (13th) <b>seg</b>ment for mobile receivers, hence the name, "1seg" or "One Seg". </p><p>Its use in Brazil was established in late 2007 (starting in just a few cities), with a slight difference from the Japanese counterpart: it is broadcast under a 30 <a href="/wiki/Frame_rate" title="Frame rate">frame/s</a> transmission setting (Japanese broadcasts are under the 15 frame/s transmission setting). </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Technical_information">Technical information</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=1seg&action=edit&section=1" title="Edit section: Technical information"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1251242444"><table class="box-Unreferenced_section plainlinks metadata ambox ambox-content ambox-Unreferenced" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This section <b>does not <a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources">cite</a> any <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">sources</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/1seg" title="Special:EditPage/1seg">improve this section</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and <a href="/wiki/Wikipedia:Verifiability#Burden_of_evidence" title="Wikipedia:Verifiability">removed</a>.</span> <span class="date-container"><i>(<span class="date">September 2017</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/ISDB" title="ISDB">ISDB</a></div> <figure class="mw-halign-left" typeof="mw:File"><a href="/wiki/File:ISDB-T_CH_Seg_Prog_allocation.svg" class="mw-file-description" title="The ISDB-T channel allocation scheme."><img alt="The ISDB-T channel allocation scheme." src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1f/ISDB-T_CH_Seg_Prog_allocation.svg/350px-ISDB-T_CH_Seg_Prog_allocation.svg.png" decoding="async" width="350" height="478" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1f/ISDB-T_CH_Seg_Prog_allocation.svg/525px-ISDB-T_CH_Seg_Prog_allocation.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1f/ISDB-T_CH_Seg_Prog_allocation.svg/700px-ISDB-T_CH_Seg_Prog_allocation.svg.png 2x" data-file-width="556" data-file-height="759" /></a><figcaption>The ISDB-T channel allocation scheme.</figcaption></figure> <p>The <a href="/wiki/ISDB" title="ISDB">ISDB</a>-T system uses the <a href="/wiki/Ultra_high_frequency" title="Ultra high frequency">UHF</a> band at frequencies between 470 and 770 MHz (806 MHz in Brazil), giving a total bandwidth 300 MHz. The bandwidth is divided into fifty name channels 13 through 62. Each channel is 6 MHz wide consisting of a 5.57 MHz wide signalling band and a 430 kHz guard band to limit cross channel interference. Each of these channels is further divided into 13 segments, each with 428 kHz of bandwidth. 1 seg uses a single of these segments to carry the 1seg transport stream. </p><p>1seg, like ISDB-T uses <a href="/wiki/Phase-shift_keying#Quadrature_phase-shift_keying_.28QPSK.29" title="Phase-shift keying">QPSK</a> for <a href="/wiki/Modulation" title="Modulation">modulation</a>, with 2/3 <a href="/wiki/Error_correction_code" title="Error correction code">forward error correction</a> and 1/4 guard ratio. The total datarate is 416 kbit/s. </p><p>The television system uses an <a href="/wiki/Advanced_Video_Coding" title="Advanced Video Coding">H.264/MPEG-4 AVC</a> video stream and an <a href="/wiki/High-Efficiency_Advanced_Audio_Coding" title="High-Efficiency Advanced Audio Coding">HE-AAC</a> audio stream multiplexed into an <a href="/wiki/MPEG_transport_stream" title="MPEG transport stream">MPEG transport stream</a>. The maximum video resolution is 320x240 pixels, with a video bitrate of between 220 and 320 kbit/s. Audio conforms to <a href="/wiki/High-Efficiency_Advanced_Audio_Coding" title="High-Efficiency Advanced Audio Coding">HE-AAC</a> profile, with a bitrate of 48 to 64 kbit/s. Additional data (<a href="/wiki/Electronic_program_guide" title="Electronic program guide">EPG</a>, interactive services, etc.) is transmitted using <a href="/wiki/Broadcast_Markup_Language" title="Broadcast Markup Language">BML</a> and occupies the remaining 10 to 100 kbit/s of bandwidth. </p><p>Conditional access and copy control are implemented in 1seg broadcasting by the use of <a href="/wiki/Broadcast_flag" title="Broadcast flag">Broadcast Flag</a>-like structure contained in the "Copy Control Descriptor" within the broadcast. The broadcast contents themselves are not encrypted, but the Copy Control information forces the device to encrypt stored recordings and disallows making a copy of the recording. </p> <div class="mw-heading mw-heading2"><h2 id="Broadcast_Markup_Language">Broadcast Markup Language</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=1seg&action=edit&section=2" title="Edit section: Broadcast Markup Language"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Broadcast_Markup_Language" title="Broadcast Markup Language">Broadcast Markup Language</a> (BML), is a data-transmission service allowing text to be displayed on a 1seg TV screen. </p><p>The text contains news, sports, weather forecasts, emergency warnings such as <a href="/wiki/Earthquake_Early_Warning_(Japan)" title="Earthquake Early Warning (Japan)">Earthquake Early Warning</a>, etc. free of charge. Further information can be found through links to content on websites, frequently those belonging to the television station itself. </p><p><a href="/wiki/Electronic_program_guide" title="Electronic program guide">EPG</a> (program guides) is not included, but transmitted in separate stream (EIT). </p> <div class="mw-heading mw-heading2"><h2 id="Multiple-program_arrangement">Multiple-program arrangement</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=1seg&action=edit&section=3" title="Edit section: Multiple-program arrangement"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>On June 23, 2008, broadcaster <a href="/wiki/Tokyo_MX" title="Tokyo MX">Tokyo MX</a> officially began using <i>multiple-program arrangement</i><span style="font-weight: normal"> (<span title="Japanese-language text"><span lang="ja">マルチ編成</span></span>, <span title="Hepburn transliteration"><i lang="ja-Latn">Maruchi hensei</i></span><span style="margin-left:.09em">)</span></span> technology to simultaneously broadcast two programs on a single divided segment. Most 1seg receivers manufactured after September 2008 are compatible with this technology. Multiple-program arrangement in 1seg is named as <b>1seg2</b> or <b>Oneseg2</b><span style="font-weight: normal"> (<span title="Japanese-language text"><span lang="ja"><a href="https://ja.wikipedia.org/wiki/%E3%83%AF%E3%83%B3%E3%82%BB%E3%82%B02" class="extiw" title="ja:ワンセグ2">ワンセグ2</a></span></span>, <span title="Hepburn transliteration"><i lang="ja-Latn">Wansegu tsū</i></span>)</span>. </p><p><a href="/wiki/NHK_Educational_TV" title="NHK Educational TV">NHK Educational TV</a> (from 1 April 2009) and Nara Television<span style="font-weight: normal"> (<span title="Japanese-language text"><span lang="ja"><a href="https://ja.wikipedia.org/wiki/%E5%A5%88%E8%89%AF%E3%83%86%E3%83%AC%E3%83%93%E6%94%BE%E9%80%81" class="extiw" title="ja:奈良テレビ放送">奈良テレビ放送</a></span></span>, <span title="Hepburn transliteration"><i lang="ja-Latn">Nara terebi hōsō</i></span>)</span> (from 1 December 2009) are also started for several number of programs. </p> <div class="mw-heading mw-heading2"><h2 id="Popularity">Popularity</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=1seg&action=edit&section=4" title="Edit section: Popularity"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Until the end of March 2008, Japanese regulation required that the programs on 1seg were fundamentally the same as those broadcast on the equivalent HDTV channel. On April 1 the regulation was revised, and experimental programs by 1seg or third parties have begun airing on several stations. </p><p>On January 16, 2008, <a href="/wiki/Japan_Electronics_and_Information_Technology_Industries_Association" title="Japan Electronics and Information Technology Industries Association">JEITA</a> released their monthly shipping survey showing approx. 4.806 million <a href="/wiki/Mobile_phone" title="Mobile phone">mobile phones</a> were sold in <a href="/wiki/Japan" title="Japan">Japan</a> in November 2007. Of these, approx. 3.054 million phones, 63.5% of the total, can receive 1seg broadcasts.<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> </p><p>In the fiscal year of 2007, on average 45% of mobile phones had 1seg reception capability out of the 22.284 million units sold. The percent increased from 26.8% in April 2007 to 64.2% at end of fiscal year March 2008.<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> <div class="mw-heading mw-heading2"><h2 id="Receivers">Receivers</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=1seg&action=edit&section=5" title="Edit section: Receivers"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:One_seg_reception_201209.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3a/One_seg_reception_201209.jpg/250px-One_seg_reception_201209.jpg" decoding="async" width="250" height="184" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/3/3a/One_seg_reception_201209.jpg 1.5x" data-file-width="320" data-file-height="236" /></a><figcaption>1seg TV reception image of <a href="/wiki/Weather_forecasting" title="Weather forecasting">weather forecasting</a> on a touchscreen <a href="/wiki/Smartphone" title="Smartphone">smartphone</a>, <a href="/wiki/NTT_DoCoMo" class="mw-redirect" title="NTT DoCoMo">NTT DoCoMo</a>'s <a href="/wiki/NEC" title="NEC">NEC</a> MEDIAS <a href="/w/index.php?title=N-04C&action=edit&redlink=1" class="new" title="N-04C (page does not exist)">N-04C</a><span class="noprint" style="font-size:85%; font-style: normal;"> [<a href="https://ja.wikipedia.org/wiki/N-04C" class="extiw" title="ja:N-04C">ja</a>]</span>.</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Nintendo_DS_with_DSTV.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/44/Nintendo_DS_with_DSTV.jpg/220px-Nintendo_DS_with_DSTV.jpg" decoding="async" width="220" height="293" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/44/Nintendo_DS_with_DSTV.jpg/330px-Nintendo_DS_with_DSTV.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/44/Nintendo_DS_with_DSTV.jpg/440px-Nintendo_DS_with_DSTV.jpg 2x" data-file-width="960" data-file-height="1280" /></a><figcaption><a href="/wiki/Nintendo_DS" title="Nintendo DS">Nintendo DS</a> with "DS Terebi" 1seg tuner.</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:PSP_Japan_1SEG.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/80/PSP_Japan_1SEG.JPG/220px-PSP_Japan_1SEG.JPG" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/80/PSP_Japan_1SEG.JPG/330px-PSP_Japan_1SEG.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/80/PSP_Japan_1SEG.JPG/440px-PSP_Japan_1SEG.JPG 2x" data-file-width="2304" data-file-height="1728" /></a><figcaption><a href="/wiki/Sony" title="Sony">Sony</a> <a href="/wiki/PlayStation_Portable" title="PlayStation Portable">PSP Slim</a> with 1seg tuner.</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Pioneer_AVIC-BZ500.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/07/Pioneer_AVIC-BZ500.jpg/220px-Pioneer_AVIC-BZ500.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/07/Pioneer_AVIC-BZ500.jpg/330px-Pioneer_AVIC-BZ500.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/07/Pioneer_AVIC-BZ500.jpg/440px-Pioneer_AVIC-BZ500.jpg 2x" data-file-width="2959" data-file-height="2219" /></a><figcaption>Pioneer AVIC BZ500 with a large touchscreen, DVD, 1seg, and GPS</figcaption></figure> <dl><dt><a href="/wiki/Electronic_dictionary" title="Electronic dictionary">Electronic dictionary</a></dt> <dd><span class="languageicon">(in Japanese)</span> Sharp Papyrus PW-TC900</dd> <dd><span class="languageicon">(in Japanese)</span> Sharp Papyrus PW-TC920</dd> <dd><span class="languageicon">(in Japanese)</span> Sharp Papyrus PW-TC930</dd> <dd><span class="languageicon">(in Japanese)</span> Sharp Papyrus PW-TC980</dd> <dt>PC connect type</dt> <dd><span class="languageicon">(in Japanese)</span> <a href="/wiki/Pixela_Corporation" title="Pixela Corporation">Pixela</a> PC</dd> <dd><span class="languageicon">(in Japanese)</span> Monster TV 1D <a href="/wiki/PC_Card" title="PC Card">PC card</a> Type II 1seg receiver by SKNET</dd> <dd><span class="languageicon">(in Japanese)</span> <a href="/wiki/Cowon" title="Cowon">Cowon</a> D2TV</dd> <dd>and more.</dd> <dt><a href="/wiki/Automotive_navigation_system" title="Automotive navigation system">Car navigation system</a></dt> <dd><span class="languageicon">(in Japanese)</span> Sanyo One-seg & car navigation system</dd> <dd><span class="languageicon">(in Japanese)</span> <a rel="nofollow" class="external text" href="https://jpn.pioneer/ja/support/manual/manual_pdf.php?m_id=14290">Pioneer AVIC BZ500</a></dd> <dd>and more.</dd> <dt><a href="/wiki/Handheld_game_console" title="Handheld game console">Handheld game console</a></dt> <dd><span class="languageicon">(in Japanese)</span> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20070808004341/http://pspupdates.qj.net/-UPDATE-Sony-united-colors-of-the-PSP-2000-and-the-new-TV-tuner/pg/49/aid/97801">1seg PSP-2000 Tuner</a></dd> <dd><span class="languageicon">(in Japanese)</span> <a href="/wiki/Nintendo_DS" title="Nintendo DS">Nintendo DS</a> (via an add-on called "DS Terebi")</dd> <dt><a href="/wiki/Mobile_device" title="Mobile device">Portable devices</a></dt> <dt><a href="/wiki/Set-top_box" title="Set-top box">Set top box</a></dt> <dt>Others</dt> <dd><span class="languageicon">(in Japanese)</span> <a href="/wiki/Sony" title="Sony">Sony</a> <a href="/wiki/Walkman" title="Walkman">Walkman</a> NW-A919</dd> <dd><span class="languageicon">(in Japanese)</span> <a href="/wiki/Kodak" title="Kodak">Kodak</a> 3-inch OLED TV</dd> <dd>and more.</dd> <dt><a href="/wiki/Mobile_phone" title="Mobile phone">Mobile phones</a></dt> <dd>The first mobile phone to support 1seg was the <a href="/wiki/Sanyo" title="Sanyo">Sanyo</a> <a href="/w/index.php?title=W33SA&action=edit&redlink=1" class="new" title="W33SA (page does not exist)">W33SA</a><span class="noprint" style="font-size:85%; font-style: normal;"> [<a href="https://ja.wikipedia.org/wiki/W33SA" class="extiw" title="ja:W33SA">ja</a>]</span> which was released by <a href="/wiki/Au_(mobile_phone_company)" title="Au (mobile phone company)">au by KDDI</a> to consumers in autumn 2005. Until around 2021, the vast majority of <a href="/wiki/Japanese_mobile_phone_culture" title="Japanese mobile phone culture"><span title="Japanese-language romanization"><span style="font-style: normal" lang="ja-Latn">garakei</span></span></a> and carrier-branded <a href="/wiki/Android_(operating_system)" title="Android (operating system)">Android</a> phones sold in Japan featured support for 1seg. While <a href="/wiki/IOS" title="IOS">iOS</a> users have always required to purchase a third-party 1seg antenna separately in order to access 1seg, the rise of <a href="/wiki/5G" title="5G">5G</a> <a href="/wiki/5G_NR" title="5G NR">NR</a> and unlimited data plans means that 1seg support is gradually becoming less important, hence it is increasingly omitted on newer Japanese iOS and Android mobile devices.</dd></dl> <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=1seg&action=edit&section=6" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Digital_terrestrial_television" title="Digital terrestrial television">Digital terrestrial television</a></li> <li><a href="/wiki/Digital_Multimedia_Broadcasting" class="mw-redirect" title="Digital Multimedia Broadcasting">DMB</a> - South Korea</li> <li><a href="/wiki/DVB-H" title="DVB-H">DVB-H</a></li> <li><a href="/wiki/ISDB-T" class="mw-redirect" title="ISDB-T">ISDB-T</a> <ul><li><a href="/wiki/ISDB-T_International" title="ISDB-T International">ISDB-T International</a></li></ul></li></ul> <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=1seg&action=edit&section=7" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><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">Source; the <a href="/wiki/Article_(publishing)" title="Article (publishing)">article</a> of <a href="/wiki/Yomiuri_Shimbun" title="Yomiuri Shimbun">Yomiuri Shimbun</a> 2008-01-16, area version 13S page 8, and <a rel="nofollow" class="external text" href="http://www.jeita.or.jp/japanese/stat/cellular/2007/index.htm">(Japanese language);2007 fiscal year monthly base shipment quantity</a> (2007年度移動電話国内出荷実績、ワンセグ搭載比率（%）)</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.jeita.or.jp/japanese/stat/cellular/2007/index.htm">2007年度移動電話国内出荷実績</a>; (2007 fiscal year mobile phone ship out record) (In Japanese)</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=1seg&action=edit&section=8" 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:1seg" class="extiw" title="commons:Category:1seg">1seg</a></span>.</div></div> </div> <ul><li><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><cite class="citation news cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20080110010101/http://search.japantimes.co.jp/cgi%2Dbin/nb20060401a2.html">"TV programs go mobile as One Seg services begin"</a>. <a href="/wiki/The_Japan_Times" title="The Japan Times">The Japan Times</a>. 2006-04-01. Archived from <a rel="nofollow" class="external text" href="http://search.japantimes.co.jp/cgi-bin/nb20060401a2.html">the original</a> on 2008-01-10.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=TV+programs+go+mobile+as+One+Seg+services+begin&rft.date=2006-04-01&rft_id=http%3A%2F%2Fsearch.japantimes.co.jp%2Fcgi-bin%2Fnb20060401a2.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3A1seg" class="Z3988"></span></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20090225220811/http://www.dibeg.org/seminar/0702seminar_in_indonesia/Indonesia%20seminar%20Presentation%203.pdf">ISDB-T, Application, Present and Future</a>, <a href="/wiki/PDF" title="PDF">PDF</a> File</li> <li><span class="languageicon">(in Japanese)</span> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20051218102907/http://1seg.jp/">1seg official site (Japanese)</a></li> <li><a rel="nofollow" class="external text" href="http://wirelesswatch.jp/2011/02/15/access-ginga-edition-for-1seg-in-brazil/">ACCESS Ginga Edition for 1Seg in Brazil</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20120204103419/http://nextvlatam.com/index.php/3-mobile-tv/gps-fitted-with-isdb-t-oneseg-sales-grow-in-brazil/">GPS fitted with ISDB-T OneSeg sales grow in Brazil</a></li></ul> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1236075235">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;border-color:#fdfdfd}.mw-parser-output .navbox-list-with-group{text-align:left;border-left-width:2px;border-left-style:solid}.mw-parser-output tr+tr>.navbox-abovebelow,.mw-parser-output tr+tr>.navbox-group,.mw-parser-output tr+tr>.navbox-image,.mw-parser-output tr+tr>.navbox-list{border-top:2px solid #fdfdfd}.mw-parser-output .navbox-title{background-color:#ccf}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Broadcast_video_formats" style="padding:3px"><table class="nowraplinks mw-collapsible mw-collapsed 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:Video_formats" title="Template:Video formats"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Video_formats" title="Template talk:Video formats"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Video_formats" title="Special:EditPage/Template:Video formats"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Broadcast_video_formats" style="font-size:114%;margin:0 4em"><a href="/wiki/Video" title="Video">Broadcast video formats</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 uncollapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Television" style="font-size:114%;margin:0 4em">Television</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/Analog_television" title="Analog television">Analog</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:5em"><a href="/wiki/405-line_television_system" title="405-line television system">405 lines</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/CCIR_System_A" title="CCIR System A">System A</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/525_lines" title="525 lines">525 lines</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/CCIR_System_M" title="CCIR System M">System M</a> (Color systems: <a href="/wiki/NTSC" title="NTSC">NTSC</a>, <a href="/wiki/NTSC-J" title="NTSC-J">NTSC-J</a>, <a href="/wiki/Clear-Vision" title="Clear-Vision">Clear-Vision</a>, <a href="/wiki/PAL-M" title="PAL-M">PAL-M</a>)</li> <li><a href="/wiki/B-MAC" title="B-MAC">B-MAC</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/625_lines" title="625 lines">625 lines</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/CCIR_System_B" title="CCIR System B">System B</a>, <a href="/wiki/CCIR_System_C" title="CCIR System C">C</a>, <a href="/wiki/CCIR_System_D" title="CCIR System D">D</a>, <a href="/wiki/CCIR_System_G" title="CCIR System G">G</a>, <a href="/wiki/CCIR_System_H" title="CCIR System H">H</a>, <a href="/wiki/CCIR_System_I" title="CCIR System I">I</a>, <a href="/wiki/CCIR_System_K" title="CCIR System K">K</a>, <a href="/wiki/CCIR_System_L" title="CCIR System L">L</a>, <a href="/wiki/CCIR_System_N" title="CCIR System N">N</a> (Color systems: <a href="/wiki/PAL" title="PAL">PAL</a>, <a href="/wiki/PAL#PALN" title="PAL">PAL-N</a>, <a href="/wiki/PALplus" title="PALplus">PALplus</a>, <a href="/wiki/SECAM" title="SECAM">SECAM</a>)</li> <li><a href="/wiki/Multiplexed_Analogue_Components" title="Multiplexed Analogue Components">MAC</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/819_line" title="819 line">819 lines</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/CCIR_System_E" title="CCIR System E">System E</a>, <a href="/wiki/CCIR_System_E#System_F" title="CCIR System E">F</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em">1125 lines</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/Multiple_sub-Nyquist_sampling_encoding" title="Multiple sub-Nyquist sampling encoding">MUSE</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em">1250 lines</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/HD-MAC" title="HD-MAC">HD-MAC</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/Audio_signal" title="Audio signal">Audio</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/Multichannel_television_sound" class="mw-redirect" title="Multichannel television sound">BTSC (MTS)</a></li> <li><a href="/wiki/EIAJ_MTS" title="EIAJ MTS">EIAJ</a></li> <li><a href="/wiki/NICAM" title="NICAM">NICAM</a></li> <li><a href="/wiki/Second_audio_program" title="Second audio program">SAP</a></li> <li><a href="/wiki/Sound-in-Syncs" title="Sound-in-Syncs">Sound-in-Syncs</a></li> <li><a href="/wiki/Zweikanalton" title="Zweikanalton">Zweikanalton (A2/IGR)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em">Hidden signals</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/Closed_captioning" title="Closed captioning">Captioning</a></li> <li><a href="/wiki/CGMS-A" title="CGMS-A">CGMS-A</a></li> <li><a href="/wiki/Electronic_program_guide" title="Electronic program guide">EPG</a></li> <li><a href="/wiki/Ghost-canceling_reference" title="Ghost-canceling reference">GCR</a></li> <li><a href="/wiki/Programme_Delivery_Control" title="Programme Delivery Control">PDC</a></li> <li><a href="/wiki/Teletext" title="Teletext">Teletext</a></li> <li><a href="/wiki/Vertical_blanking_interval" title="Vertical blanking interval">VBI</a></li> <li><a href="/wiki/Video_Encoded_Invisible_Light" title="Video Encoded Invisible Light">VEIL</a></li> <li><a href="/wiki/VIT_signals" title="VIT signals">VIT</a></li> <li><a href="/wiki/Vertical_interval_timecode" title="Vertical interval timecode">VITC</a></li> <li><a href="/wiki/Widescreen_signaling" title="Widescreen signaling">WSS</a></li> <li><a href="/wiki/Extended_Data_Services" title="Extended Data Services">XDS</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em">Historical</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/Television_systems_before_1940" title="Television systems before 1940">Pre-1940</a></li> <li><a href="/wiki/Mechanical_television" title="Mechanical television">Mechanical television</a></li> <li><a href="/wiki/180-line_television_system" title="180-line television system">180-line</a></li> <li><a href="/wiki/343-line_television_system" title="343-line television system">343-line</a></li> <li><a href="/wiki/375-line_television_system" title="375-line television system">375-line</a></li> <li><a href="/wiki/441-line_television_system" title="441-line television system">441-line</a></li> <li><a href="/wiki/455-line_television_system" title="455-line television system">455-line</a></li> <li><a href="/wiki/567-line_television_system" title="567-line television system">567-line</a></li> <li><a href="/wiki/Field-sequential_color_system" title="Field-sequential color system">Field-sequential color system</a></li> <li><a href="/wiki/Soviet_Central_Television#OSKM" title="Soviet Central Television">OSKM</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_television" title="Digital television">Digital</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:5em"><a href="/wiki/Interlaced_video" title="Interlaced video">Interlaced</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/Standard-definition_television" title="Standard-definition television">SDTV</a> <ul><li><a href="/wiki/480i" title="480i">480i</a></li> <li><a href="/wiki/576i" title="576i">576i</a></li></ul></li> <li><a href="/wiki/High-definition_television" title="High-definition television">HDTV</a> <ul><li><a href="/wiki/1080i" title="1080i">1080i</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/Progressive_scan" title="Progressive scan">Progressive</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/Low-definition_television" title="Low-definition television">LDTV</a> <ul><li><a class="mw-selflink selflink">1seg</a></li> <li><a href="/wiki/Low-definition_television" title="Low-definition television">240p</a></li> <li><a href="/wiki/Low-definition_television" title="Low-definition television">288p</a></li></ul></li> <li><a href="/wiki/Enhanced-definition_television" title="Enhanced-definition television">EDTV</a> <ul><li><a href="/wiki/480p" title="480p">480p</a></li> <li><a href="/wiki/576p" title="576p">576p</a></li></ul></li> <li><a href="/wiki/High-definition_television" title="High-definition television">HDTV</a> <ul><li><a href="/wiki/720p" title="720p">720p</a></li> <li><a href="/wiki/1080p" title="1080p">1080p</a></li></ul></li> <li><a href="/wiki/Ultra-high-definition_television" title="Ultra-high-definition television">UHDTV</a> <ul><li><a href="/wiki/4K_resolution" title="4K resolution">4K</a></li> <li><a href="/wiki/8K_resolution" title="8K resolution">8K</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/H.262/MPEG-2_Part_2" title="H.262/MPEG-2 Part 2">MPEG-2 Video</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/ATSC_standards" title="ATSC standards">ATSC</a></li> <li><a href="/wiki/DVB" title="DVB">DVB</a> <ul><li><a href="/wiki/DVB_3D-TV" title="DVB 3D-TV">DVB 3D-TV</a></li></ul></li> <li><a href="/wiki/ISDB" title="ISDB">ISDB</a></li> <li><a href="/wiki/Digital_Terrestrial_Multimedia_Broadcast" title="Digital Terrestrial Multimedia Broadcast">DTMB</a></li> <li><a href="/wiki/ChinaSat_9" title="ChinaSat 9">ABS-S</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/Audio_Video_Standard#First_generation" title="Audio Video Standard">AVS</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/China_Multimedia_Mobile_Broadcasting" title="China Multimedia Mobile Broadcasting">CMMB</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/Audio_Video_Standard#First_generation" title="Audio Video Standard">AVS+</a><sup id="cite_ref-avs_3-0" class="reference"><a href="#cite_note-avs-3"><span class="cite-bracket">[</span>note 1<span class="cite-bracket">]</span></a></sup></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/Digital_Terrestrial_Multimedia_Broadcast" title="Digital Terrestrial Multimedia Broadcast">DTMB</a></li> <li><a href="/wiki/ChinaSat_9" title="ChinaSat 9">ABS-S</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/MPEG-4_Part_2" title="MPEG-4 Part 2">MPEG-4 Visual</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/MobaHo!" title="MobaHo!">MobaHo!</a><sup id="cite_ref-mobaho_4-0" class="reference"><a href="#cite_note-mobaho-4"><span class="cite-bracket">[</span>note 2<span class="cite-bracket">]</span></a></sup></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/Advanced_Video_Coding" title="Advanced Video Coding">MPEG-4 AVC</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/ATSC_standards#H.264/MPEG-4_AVC" title="ATSC standards">ATSC A/72</a></li> <li><a href="/wiki/China_Multimedia_Mobile_Broadcasting" title="China Multimedia Mobile Broadcasting">CMMB</a></li> <li><a href="/wiki/Digital_multimedia_broadcasting" title="Digital multimedia broadcasting">DMB</a></li> <li><a href="/wiki/Digital_Terrestrial_Multimedia_Broadcast" title="Digital Terrestrial Multimedia Broadcast">DTMB</a></li> <li><a href="/wiki/Digital_Video_Broadcasting" class="mw-redirect" title="Digital Video Broadcasting">DVB</a></li> <li><a href="/wiki/ISDB-T_International" title="ISDB-T International">SBTVD</a></li> <li><a class="mw-selflink selflink">1seg</a></li> <li><a href="/wiki/MobaHo!" title="MobaHo!">MobaHo!</a><sup id="cite_ref-mobaho_4-1" class="reference"><a href="#cite_note-mobaho-4"><span class="cite-bracket">[</span>note 2<span class="cite-bracket">]</span></a></sup></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/Audio_Video_Standard#Second_generation" title="Audio Video Standard">AVS2</a><sup id="cite_ref-avs_3-1" class="reference"><a href="#cite_note-avs-3"><span class="cite-bracket">[</span>note 1<span class="cite-bracket">]</span></a></sup></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/ChinaSat_9" title="ChinaSat 9">ABS-S</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/High_Efficiency_Video_Coding" title="High Efficiency Video Coding">MPEG-H HEVC</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/ATSC_3.0" title="ATSC 3.0">ATSC 3.0</a></li> <li><a href="/wiki/Digital_Video_Broadcasting" class="mw-redirect" title="Digital Video Broadcasting">DVB</a></li> <li><a href="/wiki/Digital_multimedia_broadcasting" title="Digital multimedia broadcasting">HD DMB</a></li> <li><a href="/wiki/ISDB#ISDB-S3" title="ISDB">ISDB-S3</a></li> <li><a href="/wiki/Digital_Terrestrial_Multimedia_Broadcast" title="Digital Terrestrial Multimedia Broadcast">DTMB</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:5em"><a href="/wiki/Surround_sound" title="Surround sound">Audio</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> (<a href="/wiki/Surround_sound" title="Surround sound">5.1</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> <li><a href="/wiki/Dynamic_Resolution_Adaptation" title="Dynamic Resolution Adaptation">DRA</a></li> <li><a href="/wiki/MPEG-1_Audio_Layer_II" title="MPEG-1 Audio Layer II">MPEG-1 Audio Layer II</a></li> <li><a href="/wiki/MPEG_Multichannel" title="MPEG Multichannel">MPEG Multichannel</a></li> <li><a href="/wiki/Pulse-code_modulation" title="Pulse-code modulation">PCM</a></li> <li><a href="/wiki/Linear_pulse-code_modulation" class="mw-redirect" title="Linear pulse-code modulation">LPCM</a></li> <li><a href="/wiki/Advanced_Audio_Coding" title="Advanced Audio Coding">AAC</a></li> <li><a href="/wiki/High-Efficiency_Advanced_Audio_Coding" title="High-Efficiency Advanced Audio Coding">HE-AAC</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">Hidden signals</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/Active_Format_Description" title="Active Format Description">AFD</a></li> <li><a href="/wiki/Broadcast_flag" title="Broadcast flag">Broadcast flag</a></li> <li><a href="/wiki/Closed_captioning" title="Closed captioning">Captioning</a></li> <li><a href="/wiki/DVB-CPCM" title="DVB-CPCM">CPCM</a></li> <li><a href="/wiki/Electronic_program_guide" title="Electronic program guide">EPG</a></li> <li><a href="/wiki/Teletext" title="Teletext">Teletext</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align: left;"><div><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-avs-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-avs_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-avs_3-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Also used in China's DVB-S/S2 network.</span> </li> <li id="cite_note-mobaho-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-mobaho_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-mobaho_4-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Defunct.</span> </li> </ol></div></div></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="Technical_issues" style="font-size:114%;margin:0 4em">Technical issues</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/14:9" class="mw-redirect" title="14:9">14:9 compromise</a></li> <li><a href="/wiki/Broadcast-safe" title="Broadcast-safe">Broadcast-safe</a></li> <li><a href="/wiki/Digital_cinema" title="Digital cinema">Digital cinema</a> (<a href="/wiki/Digital_Cinema_Initiative" class="mw-redirect" title="Digital Cinema Initiative">DCI</a>)</li> <li><a href="/wiki/Display_motion_blur" title="Display motion blur">Display motion blur</a></li> <li><a href="/wiki/Moving_image_formats" title="Moving image formats">Moving image formats</a></li> <li><a href="/wiki/MPEG_transport_stream" title="MPEG transport stream">MPEG transport stream</a></li> <li><a href="/wiki/Reverse_Standards_Conversion" title="Reverse Standards Conversion">Reverse Standards Conversion</a></li> <li><a href="/wiki/Television_standards_conversion" title="Television standards conversion">Standards conversion</a></li> <li><a href="/wiki/Television_transmitter" title="Television transmitter">Television transmitter</a></li> <li><a href="/wiki/Test_card" title="Test card">Test card</a></li> <li><a href="/wiki/Video_on_demand" title="Video on demand">Video on demand</a></li> <li><a href="/wiki/Video_processing" title="Video processing">Video processing</a></li> <li><a href="/wiki/Widescreen_signaling" title="Widescreen signaling">Widescreen signaling</a></li> <li>Templates (<a href="/wiki/Template:Analogue_TV_transmitter_topics" title="Template:Analogue TV transmitter topics">Analogue TV Topics</a>)</li></ul> </div></td></tr></tbody></table><div></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="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=1seg&oldid=1257163747">https://en.wikipedia.org/w/index.php?title=1seg&oldid=1257163747</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:ISDB" title="Category:ISDB">ISDB</a></li><li><a href="/wiki/Category:Broadcast_engineering" title="Category:Broadcast engineering">Broadcast 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