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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Low Complexity Subband Codec</span></h1>
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<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="de" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="de" dir="ltr"><p>Der <b>Low Complexity Subband Codec</b> (<b>SBC</b>) ist ein Audio-<a href="Codec" title="Codec">Codec</a>, der im Funkstandard <a href="Bluetooth" title="Bluetooth">Bluetooth</a> definiert wurde und auch überwiegend dort genutzt wird. SBC muss im Bluetooth-Profil <a href="A2DP" title="A2DP">A2DP</a> (Advanced Audio Distribution Profile) obligatorisch unterstützt werden.
</p><p>SBC stellt eine <a href="Audiodatenkompression#Verlustbehaftete_Audiodatenkompression" title="Audiodatenkompression">komprimierte verlustbehaftete Kodierung von Audiosignalen</a> ähnlich dem <a href="MP3" title="MP3">MP3</a>-Format dar. Der SBC ist frei von Lizenzgebühren, solange er für Bluetooth verwendet wird. Außerdem erfordert die Kodierung in dieses Format keine hohen Ansprüche an die Rechenleistung. SBC-Encoder verwenden üblicherweise <a href="Bitrate" title="Bitrate">Bitraten</a> von bis zu 345 kBit/s bei einer <a href="Abtastrate" title="Abtastrate">Abtastrate</a> von 48 kHz.<sup id="cite_ref-a2dpspec_1-0" class="reference"><a href="#cite_note-a2dpspec-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p><p>Der Nachfolger <a href="Low_Complexity_Communications_Codec" title="Low Complexity Communications Codec"> LC3</a> wurde von der <a href="Bluetooth_Special_Interest_Group" title="Bluetooth Special Interest Group">Bluetooth Special Interest Group</a> 2020 vorgestellt.<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>
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<div class="mw-heading mw-heading2"><h2 id="Einzelnachweise">Einzelnachweise</h2></div>
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<li id="cite_note-a2dpspec-1"><span class="mw-cite-backlink"><a href="#cite_ref-a2dpspec_1-0">↑</a></span> <span class="reference-text">Bluetooth SIG, Specification of the Bluetooth System, Profiles, Advanced Audio Distribution Profile version 1.3. <a rel="nofollow" class="external free" href="https://www.bluetooth.org/docman/handlers/DownloadDoc.ashx?doc_id=260859&vId=290074">https://www.bluetooth.org/docman/handlers/DownloadDoc.ashx?doc_id=260859&vId=290074</a></span>
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<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 free" href="https://www.bluetooth.com/blog/bluetooth-audio-gets-a-big-upgrade-at-ces-2020/">https://www.bluetooth.com/blog/bluetooth-audio-gets-a-big-upgrade-at-ces-2020/</a></span>
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