{"id":108013,"date":"2023-04-21T12:48:18","date_gmt":"2023-04-21T10:48:18","guid":{"rendered":"https:\/\/prohoster.info\/?p=108013"},"modified":"2023-04-21T16:01:18","modified_gmt":"2023-04-21T14:01:18","slug":"dostupen-audiokodek-opus-1-4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/dostupen-audiokodek-opus-1-4","title":{"rendered":"A fost lansat codec-ul audio Opus 1.4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Organiza\u021bia Xiph.Org, care dezvolt\u0103 codecuri video \u0219i audio open source, a lansat codec-ul audio Opus 1.4.0, care ofer\u0103 o calitate \u00eenalt\u0103 de codare \u0219i laten\u021b\u0103 minim\u0103 at\u00e2t pentru comprimarea sunetului de \u00eenalt\u0103 calitate, c\u00e2t \u0219i pentru comprimarea vocii \u00een aplica\u021bii VoIP cu l\u0103\u021bimi de band\u0103 limitate. Implement\u0103rile de referin\u021b\u0103 ale encoderului \u0219i decoderului sunt distribuite sub licen\u021ba BSD. Specifica\u021biile complete ale formatului Opus sunt accesibile publicului, gratuite \u0219i aprobate ca standard de internet (RFC 6716).     <\/p>\n<p>Codec-ul a fost creat prin combinarea celor mai bune tehnologii din codec-ul CELT dezvoltat de organiza\u021bia Xiph.org \u0219i codec-ul SILK deschis de compania Skype. Pe l\u00e2ng\u0103 Skype \u0219i Xiph.Org, la dezvoltarea Opus au contribuit \u0219i alte companii, cum ar fi Mozilla, Octasic, Broadcom \u0219i Google. Brevetele implicate \u00een Opus sunt furnizate de companiile participante la dezvoltare pentru utilizare nelimitat\u0103, f\u0103r\u0103 plata de redeven\u021be. Toate drepturile de proprietate intelectual\u0103 \u0219i licen\u021bele pe brevete asociate Opus sunt delegate automat aplica\u021biilor \u0219i produselor care folosesc Opus, f\u0103r\u0103 a necesita aprob\u0103ri suplimentare. Nu exist\u0103 restric\u021bii privind domeniul de aplicare \u0219i crearea de implement\u0103ri alternative de c\u0103tre ter\u021bi. Cu toate acestea, toate drepturile furnizate pot fi revocate \u00een cazul \u00een care se ini\u021biaz\u0103 o disput\u0103 legat\u0103 de brevete referitoare la tehnologiile Opus \u00eempotriva oric\u0103rui utilizator Opus.    <\/p>\n<p>Opus se distinge prin calitatea \u00eenalt\u0103 a cod\u0103rii \u0219i laten\u021ba minim\u0103 at\u00e2t pentru comprimarea sunetului de \u00eenalt\u0103 calitate, c\u00e2t \u0219i pentru comprimarea vocii \u00een aplica\u021bii VoIP cu l\u0103\u021bimi de band\u0103 limitate. Anterior, Opus a fost recunoscut ca fiind cel mai bun codec la un bitrate de 64Kbit (Opus a dep\u0103\u0219it concuren\u021bii precum Apple HE-AAC, Nero HE-AAC, Vorbis \u0219i AAC LC). Printre produsele care suport\u0103 Opus din cutie se num\u0103r\u0103 browserul Firefox, framework-ul GStreamer \u0219i pachetul FFmpeg.        <\/p>\n<p>Func\u021bionalit\u0103\u021bile principale ale Opus:  <\/p>\n<ul>\n<li class=\"l\">Bitrate de la 5 la 510 Kbit\/s;  <\/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 120 milisecunde;  <\/li>\n<li class=\"l\">Suport pentru bitrate constant (CBR) \u0219i variabil (VBR);  <\/li>\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\"> Suport pentru ajustarea dinamic\u0103 a bitrate-ului, capacit\u0103\u021bii de transmisie \u0219i dimensiunii cadrelor;  <\/li>\n<li class=\"l\">Capacitatea de a restaura fluxul sonor \u00een caz de pierdere a cadrelor (PLC);  <\/li>\n<li class=\"l\"> Suport pentru p\u00e2n\u0103 la 255 de canale (cadre multiplu flux);  <\/li>\n<li class=\"l\">Disponibilitatea implement\u0103rilor folosind aritmetica cu virgul\u0103 mobil\u0103 \u0219i fix\u0103.  <\/li>\n<\/ul>\n<p>Aspecte cheie ale Opus 1.4:  <\/p>\n<ul>\n<li class=\"l\"> Optimizarea parametrilor de codare a fost realizat\u0103 pentru a \u00eembun\u0103t\u0103\u021bi indicatorii subiectivi de calitate a sunetului atunci c\u00e2nd este activat\u0103 FEC (Corec\u021bia Erorilor \u00een avans) pentru recuperarea pachetelor corupte sau pierdute la bitrate-uri de la 16 la 24kbs (LBRR, Redundan\u021ba la Bit Rate Mic).\n<li class=\"l\"> A fost ad\u0103ugat\u0103 op\u021biunea OPUS_SET_INBAND_FEC pentru activarea modului de corec\u021bie a erorilor FEC, dar f\u0103r\u0103 activarea for\u021bat\u0103 a modului SILK (FEC nu va fi utilizat \u00een modul CELT).\n<li class=\"l\"> Implementarea modului DTX (Transmitere Discontinu\u0103) a fost \u00eembun\u0103t\u0103\u021bit\u0103, oferind suspendarea transmisiei de trafic \u00een absen\u021ba sunetului.\n<li class=\"l\"> A fost ad\u0103ugat suport pentru sistemul de construc\u021bie Meson \u0219i a fost \u00eembun\u0103t\u0103\u021bit suportul pentru construc\u021bia utiliz\u00e2nd CMake.\n<li class=\"l\"> A fost ad\u0103ugat un mecanism experimental \u201eReal-Time Packet Loss Concealment\u201d pentru recuperarea fragmentelor de vorbire pierdute din cauza pierderii de pachete, func\u021bion\u00e2nd prin aplicarea tehnologiilor de \u00eenv\u0103\u021bare automat\u0103.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 o implementare experimental\u0103 a mecanismului \u201edeep redundancy\u201d, care utilizeaz\u0103 un sistem de \u00eenv\u0103\u021bare automat\u0103 pentru a \u00eembun\u0103t\u0103\u021bi eficien\u021ba recuper\u0103rii sunetului dup\u0103 pierderi de pachete.      <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59009\">opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f Xiph.Org, \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0430\u044f\u0441\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u044b\u0445 \u0432\u0438\u0434\u0435\u043e- \u0438 \u0430\u0443\u0434\u0438\u043e\u043a\u043e\u0434\u0435\u043a\u043e\u0432, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0440\u0435\u043b\u0438\u0437 \u0430\u0443\u0434\u0438\u043e\u043a\u043e\u0434\u0435\u043a\u0430 Opus 1.4.0, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0432\u044b\u0441\u043e\u043a\u043e\u0435 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u043e \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0438 \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u0443\u044e \u0437\u0430\u0434\u0435\u0440\u0436\u043a\u0443 \u043a\u0430\u043a \u043f\u0440\u0438 \u0441\u0436\u0430\u0442\u0438\u0438 \u043f\u043e\u0442\u043e\u043a\u043e\u0432\u043e\u0433\u043e \u0437\u0432\u0443\u043a\u0430 \u0441 \u0432\u044b\u0441\u043e\u043a\u0438\u043c \u0431\u0438\u0442\u0440\u0435\u0439\u0442\u043e\u043c, \u0442\u0430\u043a \u0438 \u043f\u0440\u0438 \u0441\u0436\u0430\u0442\u0438\u0438 \u0433\u043e\u043b\u043e\u0441\u0430 \u0432 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u043d\u044b\u0445 \u043f\u043e \u043f\u0440\u043e\u043f\u0443\u0441\u043a\u043d\u043e\u0439 \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u0438 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u0445 VoIP-\u0442\u0435\u043b\u0435\u0444\u043e\u043d\u0438\u0438. \u042d\u0442\u0430\u043b\u043e\u043d\u043d\u044b\u0435 \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 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u044e\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 BSD. \u041f\u043e\u043b\u043d\u044b\u0435 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0444\u043e\u0440\u043c\u0430\u0442\u0430 Opus \u043e\u0431\u0449\u0435\u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b, \u0431\u0435\u0441\u043f\u043b\u0430\u0442\u043d\u044b [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-108013","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=\"\u041e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f Xiph.Org, \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0430\u044f\u0441\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u044b\u0445 \u0432\u0438\u0434\u0435\u043e- \u0438 \u0430\u0443\u0434\u0438\u043e\u043a\u043e\u0434\u0435\u043a\u043e\u0432, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0440\u0435\u043b\u0438\u0437 \u0430\u0443\u0434\u0438\u043e\u043a\u043e\u0434\u0435\u043a\u0430 Opus 1.4.0, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0432\u044b\u0441\u043e\u043a\u043e\u0435 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u043e \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0438 \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u0443\u044e \u0437\u0430\u0434\u0435\u0440\u0436\u043a\u0443 \u043a\u0430\u043a \u043f\u0440\u0438 \u0441\u0436\u0430\u0442\u0438\u0438 \u043f\u043e\u0442\u043e\u043a\u043e\u0432\u043e\u0433\u043e.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/ro\/blog\/news\/dostupen-audiokodek-opus-1-4\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"ro_RO\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0430\u0443\u0434\u0438\u043e\u043a\u043e\u0434\u0435\u043a Opus 1.4 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u041e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f Xiph.Org, \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0430\u044f\u0441\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u044b\u0445 \u0432\u0438\u0434\u0435\u043e- \u0438 \u0430\u0443\u0434\u0438\u043e\u043a\u043e\u0434\u0435\u043a\u043e\u0432, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0440\u0435\u043b\u0438\u0437 \u0430\u0443\u0434\u0438\u043e\u043a\u043e\u0434\u0435\u043a\u0430 Opus 1.4.0, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0432\u044b\u0441\u043e\u043a\u043e\u0435 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u043e \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0438 \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u0443\u044e \u0437\u0430\u0434\u0435\u0440\u0436\u043a\u0443 \u043a\u0430\u043a \u043f\u0440\u0438 \u0441\u0436\u0430\u0442\u0438\u0438 \u043f\u043e\u0442\u043e\u043a\u043e\u0432\u043e\u0433\u043e.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/ro\/blog\/news\/dostupen-audiokodek-opus-1-4\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-04-21T10:48:18+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-04-21T14:01:18+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Codec-ul audio Opus 1.4 este disponibil | ProHoster","description":"Organiza\u021bia Xiph.Org, dedicat\u0103 dezvolt\u0103rii codec-urilor video \u0219i audio gratuite, a lansat codec-ul audio Opus 1.4.0, care ofer\u0103 o calitate superioar\u0103 de codare \u0219i o \u00eent\u00e2rziere minim\u0103 \u00een timpul comprim\u0103rii fluxului.","canonical_url":"https:\/\/prohoster.info\/ro\/blog\/news\/dostupen-audiokodek-opus-1-4","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"ro_RO","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0430\u0443\u0434\u0438\u043e\u043a\u043e\u0434\u0435\u043a Opus 1.4 | ProHoster","og:description":"\u041e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f Xiph.Org, \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0430\u044f\u0441\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u044b\u0445 \u0432\u0438\u0434\u0435\u043e- \u0438 \u0430\u0443\u0434\u0438\u043e\u043a\u043e\u0434\u0435\u043a\u043e\u0432, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0440\u0435\u043b\u0438\u0437 \u0430\u0443\u0434\u0438\u043e\u043a\u043e\u0434\u0435\u043a\u0430 Opus 1.4.0, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0432\u044b\u0441\u043e\u043a\u043e\u0435 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u043e \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0438 \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u0443\u044e \u0437\u0430\u0434\u0435\u0440\u0436\u043a\u0443 \u043a\u0430\u043a \u043f\u0440\u0438 \u0441\u0436\u0430\u0442\u0438\u0438 \u043f\u043e\u0442\u043e\u043a\u043e\u0432\u043e\u0433\u043e.","og:url":"https:\/\/prohoster.info\/ro\/blog\/news\/dostupen-audiokodek-opus-1-4","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2023-04-21T10:48:18+00:00","article:modified_time":"2023-04-21T14:01:18+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/posts\/108013","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/comments?post=108013"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/posts\/108013\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/media?parent=108013"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/categories?post=108013"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/tags?post=108013"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}