{"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\/hu\/blog\/news\/obnovlenie-otkrytogo-audiokodeka-lyra-1-3","title":{"rendered":"A Lyra 1.3 ny\u00edlt audi\u00f3kodek friss\u00edt\u00e9se","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Google kiadta a Lyra 1.3 audi\u00f3kodeket, amely a hang\u00e1tvitel magas min\u0151s\u00e9g\u00e9re \u00f6sszpontos\u00edt korl\u00e1tozott adat\u00e1tviteli k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt. A Lyra kodek haszn\u00e1lat\u00e1val el\u00e9rhet\u0151 besz\u00e9dmin\u0151s\u00e9g 3,2 kbps, 6 kbps \u00e9s 9,2 kbps bitr\u00e1t\u00e1k mellett k\u00f6r\u00fclbel\u00fcl megfelel az Opus kodek 10 kbps, 13 kbps \u00e9s 14 kbps bitr\u00e1t\u00e1j\u00e1nak. A feladat megold\u00e1s\u00e1hoz a hagyom\u00e1nyos hangkompresszi\u00f3s m\u00f3dszerek mellett a Lyra egy g\u00e9pi tanul\u00e1si rendszer alap\u00fa besz\u00e9dmodell alkalmaz\u00e1s\u00e1t is bevezeti, ami lehet\u0151v\u00e9 teszi, hogy az intelligens jellemz\u0151k alapj\u00e1n rekonstr\u00e1lja a hi\u00e1nyz\u00f3 inform\u00e1ci\u00f3kat. A referencia k\u00f3d megval\u00f3s\u00edt\u00e1s C++ nyelven k\u00e9sz\u00fclt, \u00e9s Apache 2.0 licenc alatt terjesztik. <\/p>\n

A 1.2-es Lyra verzi\u00f3hoz k\u00e9pest, amelyet \u00faj neur\u00e1lis h\u00e1l\u00f3zati architekt\u00far\u00e1ra alak\u00edtottak \u00e1t, a 1.3-as verzi\u00f3 a g\u00e9pi tanul\u00e1si modell optimaliz\u00e1l\u00e1s\u00e1t v\u00e9gezte el an\u00e9lk\u00fcl, hogy architektur\u00e1lis v\u00e1ltoz\u00e1sokra lenne sz\u00fcks\u00e9g. A leg\u00fajabb verzi\u00f3ban a s\u00falyok t\u00e1rol\u00e1s\u00e1ra \u00e9s az aritmetikai m\u0171veletek v\u00e9grehajt\u00e1s\u00e1ra imm\u00e1r 32 bites lebeg\u0151pontos sz\u00e1mok helyett 8 bites eg\u00e9sz sz\u00e1mokat haszn\u00e1lnak, amely 43%-kal cs\u00f6kkentette a modell m\u00e9ret\u00e9t \u00e9s 20%-kal gyors\u00edtotta meg a m\u0171k\u00f6d\u00e9s\u00e9t a Pixel 6 Pro okostelefon tesztel\u00e9s\u00e9n\u00e9l. A besz\u00e9dmin\u0151s\u00e9g megtart\u00e1sa mellett kuitenkin az \u00e1tvitt adatok form\u00e1tuma megv\u00e1ltozott, \u00e9s nem kompatibilis a kor\u00e1bbi kiad\u00e1sokkal.
\n
Forr\u00e1s: 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\udd47A Lyra 1.3 ny\u00edlt audi\u00f3kodek friss\u00edt\u00e9se | ProHoster","description":"A Google nyilv\u00e1noss\u00e1gra hozta a Lyra 1.3 audi\u00f3kodek kiad\u00e1s\u00e1t, amely a hang\u00e1tvitel magas min\u0151s\u00e9g\u00e9re \u00f6sszpontos\u00edt korl\u00e1tozott adat\u00e1tviteli felt\u00e9telek 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