{"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\/ro\/blog\/news\/alyans-aomedia-razvivaet-zvukovoj-kodek-oac-open-audio-codec-osnovannyj-na-opus","title":{"rendered":"Alian\u021ba AOMedia dezvolt\u0103 codec-ul audio OAC (Open Audio Codec), bazat pe Opus.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Alian\u021ba Open Media (AOMedia), care supervizeaz\u0103 dezvoltarea formatului de codare video AV1\/AV2, a formatului de sunet volumetric IAMF \u0219i a formatului de imagini AVIF, a \u00eenceput lucr\u0103rile la un nou codec audio denumit Open Audio Codec (OAC), care este prezentat ca o continuare a dezvolt\u0103rii codec-ului Opus, dezvoltat de organiza\u021bia Xiph.Org. Ca implementare de referin\u021b\u0103 pentru encoderul \u0219i decoderul OAC, sub licen\u021ba BSD, a fost propus\u0103 biblioteca liboac, creat\u0103 pe baza codului bibliotecii libopus.    <\/p>\n<p>Principala utilizare a OAC este transmiterea vocii \u0219i a sunetului pe internet. Codec-ul este potrivit pentru diverse aplica\u021bii legate de transmisia interactiv\u0103 a sunetului \u0219i poate fi utilizat \u00een diferite domenii, de la telefonie VoIP \u0219i videoconferin\u021be p\u00e2n\u0103 la chat-uri de jocuri \u0219i concerte online. OAC este scalabil at\u00e2t pentru comprimarea sunetului \u00een streaming de mare vitez\u0103, de exemplu, pentru transmiterea de muzic\u0103 stereo de calitate, c\u00e2t \u0219i pentru comprimarea vocii \u00een canale de comunica\u021bie cu l\u0103\u021bimi de band\u0103 limitate.       <\/p>\n<p>Dezvoltarea se afl\u0103 \u00een prezent \u00een stadiul incipient de alfa. Fluxul de bi\u021bi (bitstream) generat de biblioteca liboac nu trebuie utilizat \u00een aceast\u0103 etap\u0103 pentru distribuirea fi\u0219ierelor OAC, deoarece include date suplimentare pentru depanare \u0219i nu suport\u0103 schimbarea pozi\u021biei \u00een flux (seeking).      <\/p>\n<p>Cu excep\u021bia absen\u021bei men\u021bion\u0103rii ajust\u0103rii dinamice a ratei de bi\u021bi, a intervalului de frecven\u021be audio \u0219i a dimensiunii cadrelor, lista capacit\u0103\u021bilor OAC repet\u0103 descrierea codec-ului Opus 1.5:    <\/p>\n<ul>\n<li class=\"l\">Rata de bi\u021bi de la 6 Kbps la 510 Kbps;  <\/li>\n<li class=\"l\">Frecven\u021b\u0103 de e\u0219antionare de la 8 la 48KHz;  <\/li>\n<li class=\"l\">Durata cadrelor de la 2,5 la 60 milisecunde;  <\/li>\n<li class=\"l\">Suport pentru bitrate constant (CBR) \u0219i variabil (VBR);  <\/li>\n<li class=\"l\"> Suport pentru p\u00e2n\u0103 la 255 de canale;\n<li class=\"l\">Suport pentru sunet \u00eengust \u0219i lat;  <\/li>\n<li class=\"l\">Suport pentru voce \u0219i muzic\u0103;  <\/li>\n<li class=\"l\">Suport pentru stereo \u0219i mono;  <\/li>\n<li class=\"l\">Capacitatea de a restaura fluxul sonor \u00een caz de pierdere a cadrelor (PLC);    <\/li>\n<li class=\"l\">Disponibilitatea implement\u0103rilor folosind aritmetica cu virgul\u0103 mobil\u0103 \u0219i fix\u0103.  <\/li>\n<\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64852\">opennet.ro<\/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 5.0.2.1 - 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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