{"id":162582,"date":"2026-02-22T23:12:07","date_gmt":"2026-02-22T21:12:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/alyans-aomedia-razvivaet-zvukovoj-kodek-oac-open-audio-codec-osnovannyj-na-opus"},"modified":"2026-02-22T23:12:07","modified_gmt":"2026-02-22T21:12:07","slug":"alyans-aomedia-razvivaet-zvukovoj-kodek-oac-open-audio-codec-osnovannyj-na-opus","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/alyans-aomedia-razvivaet-zvukovoj-kodek-oac-open-audio-codec-osnovannyj-na-opus","title":{"rendered":"Die AOMedia-Allianz entwickelt den Audio-Codec OAC (Open Audio Codec), der auf Opus basiert.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Die Open Media Allianz (AOMedia), die die Entwicklung des Video-Codierungsformats AV1\/AV2, des 3D-Audioformats IAMF und des Bildformats AVIF koordiniert, hat mit der Entwicklung des Audiocodecs Open Audio Codec (OAC) begonnen, der als Fortsetzung der Entwicklung des von Xiph.Org entwickelten Opus-Codecs pr\u00e4sentiert wird. Als Referenzimplementierung des OAC-Encoders und -Decoders unter der BSD-Lizenz wird die auf dem Code der libopus-Bibliothek basierende liboac-Bibliothek vorgeschlagen.    <\/p>\n<p>Der Hauptzweck von OAC besteht darin, Sprache und Audio \u00fcber das Internet zu \u00fcbertragen. Der Codec eignet sich f\u00fcr verschiedene Anwendungen im Zusammenhang mit interaktiver Audio\u00fcbertragung und kann in verschiedenen Bereichen eingesetzt werden, von VoIP-Telefonie und Videokonferenzen bis hin zu Gaming-Chats und virtuellen Konzerten. OAC ist skalierbar sowohl f\u00fcr die Kompression von Streaming-Audio mit hoher Bitrate, beispielsweise f\u00fcr die hochwertige \u00dcbertragung von Stereo-Musik, als auch f\u00fcr die Kompression von Sprache in bandbreitenbegrenzten Kommunikationskan\u00e4len.       <\/p>\n<p>Die Entwicklung befindet sich derzeit in einer fr\u00fchen Alpha-Phase. Der von der liboac-Bibliothek erzeugte Bitstream sollte in dieser Entwicklungsphase nicht f\u00fcr die Verbreitung von OAC-Dateien verwendet werden, da er zus\u00e4tzliche Debugging-Daten enth\u00e4lt und keinen Wechsel der Position im Stream (Seeking) unterst\u00fctzt.      <\/p>\n<p>Abgesehen von der fehlenden Erw\u00e4hnung der dynamischen Bitratenanpassung, des Frequenzbereichs und der Gr\u00f6\u00dfe der Frames wiederholt die Liste der Funktionen von OAC die Beschreibung des Opus 1.5 Codecs:    <\/p>\n<ul>\n<li class=\"l\">Bitrate von 6 kBit\/s bis 510 kBit\/s;  <\/li>\n<li class=\"l\">Abtastrate von 8 bis 48 KHz;  <\/li>\n<li class=\"l\">Frame-Dauer von 2,5 bis 60 Millisekunden;  <\/li>\n<li class=\"l\">Unterst\u00fctzung f\u00fcr konstante (CBR) und variable (VBR) Bitraten;  <\/li>\n<li class=\"l\"> Unterst\u00fctzung f\u00fcr bis zu 255 Kan\u00e4le;\n<li class=\"l\">Unterst\u00fctzung f\u00fcr schmalbandigen und breitbandigen Klang;  <\/li>\n<li class=\"l\">Unterst\u00fctzung f\u00fcr Sprach- und Musik\u00fcbertragungen;  <\/li>\n<li class=\"l\">Unterst\u00fctzung f\u00fcr Stereo und Mono;  <\/li>\n<li class=\"l\">M\u00f6glichkeit zur Wiederherstellung des Audiostroms bei Paketverlust (PLC);    <\/li>\n<li class=\"l\">Verf\u00fcgbarkeit von Implementierungen mit Flie\u00dfkomma- und Festkomma-Arithmetik.  <\/li>\n<\/ul>\n<p>Quelle: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64852\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0410\u043b\u044c\u044f\u043d\u0441 Open Media (AOMedia), \u043a\u0443\u0440\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0438\u0434\u0435\u043e AV1\/AV2, \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u043e\u0431\u044a\u0451\u043c\u043d\u043e\u0433\u043e \u0437\u0432\u0443\u043a\u0430 IAMF \u0438 \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0439 AVIF, \u043f\u0440\u0438\u0441\u0442\u0443\u043f\u0438\u043b \u043a \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0437\u0432\u0443\u043a\u043e\u0432\u043e\u0433\u043e \u043a\u043e\u0434\u0435\u043a\u0430 Open Audio Codec (OAC), \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u0440\u0435\u043f\u043e\u0434\u043d\u043e\u0441\u0438\u0442\u0441\u044f \u043a\u0430\u043a \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0435\u043d\u0438\u0435 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u044f \u043a\u043e\u0434\u0435\u043a\u0430 Opus, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u043e\u0433\u043e \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0435\u0439 Xiph.Org. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u044d\u0442\u0430\u043b\u043e\u043d\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 \u0438 \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 OAC \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 BSD \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0430 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 liboac, \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u0430\u044f \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043a\u043e\u0434\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-162582","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0410\u043b\u044c\u044f\u043d\u0441 Open Media (AOMedia), \u043a\u0443\u0440\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0438\u0434\u0435\u043e AV1\/AV2, \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u043e\u0431\u044a\u0451\u043c\u043d\u043e\u0433\u043e \u0437\u0432\u0443\u043a\u0430 IAMF \u0438 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