{"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\/pl\/blog\/news\/alyans-aomedia-razvivaet-zvukovoj-kodek-oac-open-audio-codec-osnovannyj-na-opus","title":{"rendered":"Sojusz AOMedia rozwija kodek d\u017awi\u0119kowy OAC (Open Audio Codec) oparty na Opus","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Sojus Open Media (AOMedia), kt\u00f3ry nadzoruje rozw\u00f3j formatu kodowania wideo AV1\/AV2, formatu d\u017awi\u0119ku przestrzennego IAMF i formatu obraz\u00f3w AVIF, rozpocz\u0105\u0142 prace nad kodekiem audio Open Audio Codec (OAC), kt\u00f3ry jest przedstawiany jako kontynuacja rozwoju kodeka Opus, opracowanego przez organizacj\u0119 Xiph.Org. Jako referencyjna implementacja kodeka OAC oferowana jest biblioteka liboac na licencji BSD, kt\u00f3ra zosta\u0142a stworzona na bazie kodu biblioteki libopus.    <\/p>\n<p>G\u0142\u00f3wnym celem OAC jest przesy\u0142anie mowy i d\u017awi\u0119ku przez internet. Kodek nadaje si\u0119 do r\u00f3\u017cnych zastosowa\u0144 zwi\u0105zanych z interaktywnym przesy\u0142aniem d\u017awi\u0119ku i mo\u017ce by\u0107 wykorzystywany w r\u00f3\u017cnych dziedzinach, od VoIP, przez wideokonferencje, po czaty w grach i zdalne koncerty. OAC jest skalowalny zar\u00f3wno dla kompresji strumieniowego d\u017awi\u0119ku o wysokim bitrate, na przyk\u0142ad do jako\u015bciowej transmisji muzyki stereo, jak i dla kompresji g\u0142osu w ograniczonych pasmach przenoszenia.       <\/p>\n<p>Rozw\u00f3j jest na wczesnym etapie alfa. Bitstrum tworzony przez bibliotek\u0119 liboac na obecnym etapie nie powinno by\u0107 u\u017cywane do dystrybucji plik\u00f3w OAC, poniewa\u017c zawiera dodatkowe dane do debugowania i nie obs\u0142uguje zmiany pozycji w strumieniu (seeking).      <\/p>\n<p>Z wyj\u0105tkiem braku wzmianki o dynamicznej regulacji bitrate, zakresie cz\u0119stotliwo\u015bci d\u017awi\u0119ku i rozmiarze ramek, lista mo\u017cliwo\u015bci OAC powtarza opis kodeka Opus 1.5:    <\/p>\n<ul>\n<li class=\"l\">Bitrate od 6 kbit\/s do 510 kbit\/s;  <\/li>\n<li class=\"l\">Cz\u0119stotliwo\u015b\u0107 pr\u00f3bkowania od 8 do 48KHz;  <\/li>\n<li class=\"l\">Czas trwania ramek od 2,5 do 60 milisekund;  <\/li>\n<li class=\"l\">Wsparcie dla sta\u0142ych (CBR) i zmiennych (VBR) bitrate;  <\/li>\n<li class=\"l\"> Wsparcie dla do 255 kana\u0142\u00f3w;\n<li class=\"l\">Wsparcie dla d\u017awi\u0119ku w w\u0105skim i szerokim pasmie;  <\/li>\n<li class=\"l\">Wsparcie dla g\u0142osu i muzyki;  <\/li>\n<li class=\"l\">Wsparcie dla stereo i mono;  <\/li>\n<li class=\"l\">Mo\u017cliwo\u015b\u0107 przywracania strumienia audio w przypadku utraty klatek (PLC);    <\/li>\n<li class=\"l\">Dost\u0119pno\u015b\u0107 implementacji z wykorzystaniem arytmetyki zmiennoprzecinkowej i sta\u0142oprzecinkowej.  <\/li>\n<\/ul>\n<p>\u0179r\u00f3d\u0142o: <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 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