{"id":105529,"date":"2022-11-12T21:36:39","date_gmt":"2022-11-12T19:36:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-otkrytogo-audiokodeka-lyra-1-3"},"modified":"2022-11-12T21:36:39","modified_gmt":"2022-11-12T19:36:39","slug":"obnovlenie-otkrytogo-audiokodeka-lyra-1-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/obnovlenie-otkrytogo-audiokodeka-lyra-1-3","title":{"rendered":"Aktualiz\u00e1cia otvoren\u00e9ho audiokodeku Lyra 1.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spolo\u010dnos\u0165 Google zverejnila vydanie audio kodeku Lyra 1.3 zameran\u00e9ho na dosiahnutie vysokokvalitn\u00e9ho prenosu hlasu pri obmedzenom objeme pren\u00e1\u0161an\u00fdch inform\u00e1ci\u00ed. Kvalita re\u010di pri bitratoch 3,2 kbps, 6 kbps a 9,2 kbps pou\u017e\u00edvan\u00edm kodeku Lyra pribli\u017ene zodpoved\u00e1 bitratoch 10 kbps, 13 kbps a 14 kbps pri pou\u017e\u00edvan\u00ed kodeku Opus. Na vyrie\u0161enie stanoven\u00e9ho cie\u013ea sa okrem be\u017en\u00fdch met\u00f3d kompresie zvuku a transform\u00e1cie sign\u00e1lov v Lyra vyu\u017e\u00edva model re\u010di zalo\u017een\u00fd na syst\u00e9me strojov\u00e9ho u\u010denia, ktor\u00fd dok\u00e1\u017ee reprodukova\u0165 ch\u00fdbaj\u00face inform\u00e1cie na z\u00e1klade typick\u00fdch charakterist\u00edk re\u010di. Referen\u010dn\u00e1 implement\u00e1cia k\u00f3du je nap\u00edsan\u00e1 v C++ a je distribuovan\u00e1 pod licenciou Apache 2.0. <\/p>\n

Na rozdiel od radik\u00e1lne prepracovanej verzie Lyra 1.2 z okt\u00f3bra, ktor\u00e1 bola prelo\u017een\u00e1 na nov\u00fa architekt\u00faru neur\u00f3novej siete, vo verzii 1.3 prebehla optimaliz\u00e1cia modelu strojov\u00e9ho u\u010denia bez architektonick\u00fdch zmien. V novej verzii sa na ulo\u017eenie v\u00e1h a vykon\u00e1vanie aritmetick\u00fdch oper\u00e1ci\u00ed namiesto 32-bitov\u00fdch pl\u00e1vaj\u00facich \u010d\u00edsel pou\u017e\u00edvaj\u00fa 8-bitov\u00e9 cel\u00e1 \u010d\u00edsla, \u010do viedlo k zn\u00ed\u017eeniu ve\u013ekosti modelu o 43 % a zr\u00fdchleniu pr\u00e1ce s modelom o 20 % pri testovan\u00ed na smartf\u00f3ne Pixel 6 Pro. Kvalitu re\u010di sa pritom podarilo udr\u017ea\u0165 na rovnakej \u00farovni, no form\u00e1t pren\u00e1\u0161an\u00fdch \u00fadajov sa zmenil a nie je kompatibiln\u00fd s predch\u00e1dzaj\u00facimi vydaniami.
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Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0432\u044b\u043f\u0443\u0441\u043a \u0430\u0443\u0434\u0438\u043e\u043a\u043e\u0434\u0435\u043a\u0430 Lyra 1.3, \u043d\u0430\u0446\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043e\u0441\u0442\u0438\u0436\u0435\u043d\u0438\u0435 \u0432\u044b\u0441\u043e\u043a\u043e\u0433\u043e \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0430 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u0433\u043e\u043b\u043e\u0441\u0430 \u0432 \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u0445 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u043e\u0431\u044a\u0451\u043c\u0430 \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0435\u043c\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438. \u041a\u0430\u0447\u0435\u0441\u0442\u0432\u043e \u0440\u0435\u0447\u0438 \u043d\u0430 \u0431\u0438\u0442\u0440\u0435\u0439\u0442\u0430\u0445 3.2 kbps, 6 kbps \u0438 9.2 kbps \u043f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 \u043a\u043e\u0434\u0435\u043a\u0430 Lyra \u043f\u0440\u0438\u043c\u0435\u0440\u043d\u043e \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u0435\u0442 \u0431\u0438\u0442\u0440\u0435\u0439\u0442\u0430\u043c 10 kbps, 13 kbps \u0438 14 kbps \u043f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 \u043a\u043e\u0434\u0435\u043a\u0430 Opus. \u0414\u043b\u044f \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u043e\u0439 \u0437\u0430\u0434\u0430\u0447\u0438 \u043f\u043e\u043c\u0438\u043c\u043e \u043e\u0431\u044b\u0447\u043d\u044b\u0445 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 […]<\/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-105529","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Aktualiz\u00e1cia otvoren\u00e9ho audio kodeku Lyra 1.3 | ProHoster","description":"Spolo\u010dnos\u0165 Google zverejnila vydanie audio kodeku Lyra 1.3 zameran\u00e9ho na dosiahnutie vysokokvalitn\u00e9ho prenosu hlasu pri obmedzenom objeme pren\u00e1\u0161an\u00fdch 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