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href="https://cs.wikipedia.org/wiki/Serial_digital_interface" title="Serial digital interface — checo" lang="cs" hreflang="cs" data-title="Serial digital interface" data-language-autonym="Čeština" data-language-local-name="checo" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Serial_Digital_Interface" title="Serial Digital Interface — alemão" lang="de" hreflang="de" data-title="Serial Digital Interface" data-language-autonym="Deutsch" data-language-local-name="alemão" 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/Serial_digital_interface" title="Serial digital interface — inglês" lang="en" hreflang="en" data-title="Serial digital interface" data-language-autonym="English" data-language-local-name="inglês" 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/Interfaz_Digital_Serial" title="Interfaz Digital Serial — espanhol" lang="es" hreflang="es" data-title="Interfaz Digital Serial" data-language-autonym="Español" data-language-local-name="espanhol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Serial_digital_interface" title="Serial digital interface — francês" lang="fr" hreflang="fr" data-title="Serial digital interface" data-language-autonym="Français" data-language-local-name="francês" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Serial_Digital_Interface" title="Serial Digital Interface — italiano" lang="it" hreflang="it" data-title="Serial Digital Interface" data-language-autonym="Italiano" data-language-local-name="italiano" 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/%E3%82%B7%E3%83%AA%E3%82%A2%E3%83%AB%E3%83%87%E3%82%B8%E3%82%BF%E3%83%AB%E3%82%A4%E3%83%B3%E3%82%BF%E3%83%95%E3%82%A7%E3%83%BC%E3%82%B9" title="シリアルデジタルインタフェース — japonês" lang="ja" hreflang="ja" data-title="シリアルデジタルインタフェース" data-language-autonym="日本語" data-language-local-name="japonês" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%8B%9C%EB%A6%AC%EC%96%BC_%EB%94%94%EC%A7%80%ED%84%B8_%EC%9D%B8%ED%84%B0%ED%8E%98%EC%9D%B4%EC%8A%A4" title="시리얼 디지털 인터페이스 — coreano" lang="ko" hreflang="ko" data-title="시리얼 디지털 인터페이스" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Serial_digital_interface" title="Serial digital interface — polaco" lang="pl" hreflang="pl" data-title="Serial digital interface" data-language-autonym="Polski" data-language-local-name="polaco" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Serial_Digital_Interface" title="Serial Digital Interface — romeno" lang="ro" hreflang="ro" data-title="Serial Digital Interface" data-language-autonym="Română" data-language-local-name="romeno" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/Serial_Digital_Interface" title="Serial Digital Interface — russo" lang="ru" hreflang="ru" data-title="Serial Digital Interface" data-language-autonym="Русский" data-language-local-name="russo" 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/Serial_Digital_Interface" title="Serial Digital Interface — sueco" lang="sv" hreflang="sv" data-title="Serial Digital Interface" data-language-autonym="Svenska" data-language-local-name="sueco" class="interlanguage-link-target"><span>Svenska</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/Q1756325#sitelinks-wikipedia" title="Editar hiperligações interlínguas" class="wbc-editpage">Editar hiperligações</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="Espaços nominais"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div 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class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:SDI" 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/Q1756325" title="Hiperligação para o elemento do repositório de dados [g]" accesskey="g"><span>Elemento Wikidata</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="Ferramentas de página"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Aspeto"> <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">Aspeto</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mover para a barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">ocultar</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">Origem: Wikipédia, a enciclopédia livre.</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="pt" dir="ltr"><div class="hatnote"><span typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Disambig_grey.svg/20px-Disambig_grey.svg.png" decoding="async" width="20" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Disambig_grey.svg/30px-Disambig_grey.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Disambig_grey.svg/40px-Disambig_grey.svg.png 2x" data-file-width="260" data-file-height="200" /></span></span> <b>Nota:</b> Para outros significados de SDI, veja <a href="/wiki/SDI" class="mw-disambig" title="SDI">SDI</a>.</div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Ficheiro:BNC_connector_(male).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b2/BNC_connector_%28male%29.jpg/220px-BNC_connector_%28male%29.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b2/BNC_connector_%28male%29.jpg/330px-BNC_connector_%28male%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b2/BNC_connector_%28male%29.jpg/440px-BNC_connector_%28male%29.jpg 2x" data-file-width="3072" data-file-height="2304" /></a><figcaption>Conexões SDI utilizam um <a href="/wiki/Conector" class="mw-redirect" title="Conector">conector</a> <a href="/wiki/BNC" title="BNC">BNC</a></figcaption></figure> <p><b>Serial Digital Interface</b> (<b>SDI</b>) é uma interface digital de <a href="/wiki/V%C3%ADdeo" title="Vídeo">vídeo</a> e <a href="/wiki/%C3%81udio" class="mw-disambig" title="Áudio">áudio</a> criada pela <i>Society of Motion Picture and Television Engineers</i> (SMPTE).<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span>[</span>1<span>]</span></a></sup> Por exemplo, ITU-R BT.656 e SMPTE 259M definem as <a href="/wiki/V%C3%ADdeo_digital" title="Vídeo digital">interfaces de vídeos digitais</a> utilizadas no grau de <a href="/wiki/Broadcasting" class="mw-redirect" title="Broadcasting">transmissão</a> do vídeo. A norma relacionada, conhecida como <b>high-definition serial digital interface</b> (HD-SDI), é padronizada em SMPTE 292M; o que proporciona uma taxa de 1,485 Gbit/s de dados nominais.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span>[</span>2<span>]</span></a></sup> </p><p>O padrão é utilizado para a transmissão de sinais digitais de vídeo sem compressão e sem <a href="/wiki/Codifica%C3%A7%C3%A3o" title="Codificação">codificação</a> (com ou sem áudio) em estúdios de <a href="/wiki/TV" class="mw-redirect" title="TV">TV</a> e no <a href="/wiki/Cinema_digital" title="Cinema digital">cinema digital</a> que trafega através de cabos com conectores BNC. Os dois padrões (SDI e HD-SDI) estão disponíveis apenas em equipamento profissional. Vários acordos proíbem a sua utilização em equipamentos destinados a usuários finais. No entanto, existem <i><a href="/wiki/Mod" title="Mod">mods</a></i> para <a href="/wiki/Reprodutor_de_DVD" title="Reprodutor de DVD">reprodutores de DVD</a> que permitem que o usuário adicione SDI a esses equipamentos. Cabos com este tipo de sinal não sofrem interferências (devido ao sinal ser digital), podendo ser construídos com considerável extensão (100 metros por exemplo). Cabos SDI podem transportar também, juntamente com o áudio e o vídeo, informações de Timecode, o que permite sincronizar diversos equipamentos conectados entre si. </p> <h2 id="Referências" style="cursor: help;" title="Esta seção foi configurada para não ser editável diretamente. Edite a página toda ou a seção anterior em vez disso."><span id="Refer.C3.AAncias"></span>Referências</h2> <div class="reflist" style="list-style-type: decimal;"><div class="mw-references-wrap"><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="citation book">Charles A. Poynton (2003). <a rel="nofollow" class="external text" href="http://books.google.com/books?id=ra1lcAwgvq4C&pg=RA1-PA130&dq=%22serial+digital+interface%22+SDI+SMPTE+259M+Rec-656+294M+344M"><i>Digital Video and HDTV</i></a> (em inglês). [S.l.]: Morgan Kaufmann. <a href="/wiki/International_Standard_Book_Number" title="International Standard Book Number">ISBN</a> <a href="/wiki/Especial:Fontes_de_livros/1-55860-792-7" title="Especial:Fontes de livros/1-55860-792-7">1-55860-792-7</a><span class="reference-accessdate">. Consultado em 19 de julho de 2013</span></cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3ASerial+Digital+Interface&rft.au=Charles+A.+Poynton&rft.btitle=Digital+Video+and+HDTV&rft.date=2003&rft.genre=book&rft.isbn=1-55860-792-7&rft.pub=Morgan+Kaufmann&rft_id=http%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Dra1lcAwgvq4C%26pg%3DRA1-PA130%26dq%3D%2522serial%2Bdigital%2Binterface%2522%2BSDI%2BSMPTE%2B259M%2BRec-656%2B294M%2B344M&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><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"><a rel="nofollow" class="external text" href="http://books.google.com/books?id=-deC-tg7F9gC&pg=PA324&dq=Serial+digital+interface&hl=en&ei=JTNbTLKgKs2YOOKhpeIN&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCsQ6AEwAA#v=onepage&q=Serial%20digital%20interface&f=false">Digital interface handbook</a> By Francis Rumsey, John Watkinson</span> </li> </ol></div></div> <table class="noprint" style="border-top:none; border-bottom:none; background:transparent; color: inherit"><tbody><tr> <td style="text-align: center;"><span typeof="mw:File"><a href="/wiki/Ficheiro:Crystal_Clear_action_run.svg" class="mw-file-description"><img alt="Ícone de esboço" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/35/Crystal_Clear_action_run.svg/33px-Crystal_Clear_action_run.svg.png" decoding="async" width="33" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/35/Crystal_Clear_action_run.svg/50px-Crystal_Clear_action_run.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/35/Crystal_Clear_action_run.svg/66px-Crystal_Clear_action_run.svg.png 2x" data-file-width="140" data-file-height="127" /></a></span></td> <td><i>Este artigo sobre <a href="/wiki/Tecnologia" title="Tecnologia">Tecnologia</a> é um <a href="/wiki/Wikip%C3%A9dia:Esbo%C3%A7o" title="Wikipédia:Esboço">esboço</a>. 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