{"id":121114,"date":"2024-12-22T15:46:58","date_gmt":"2024-12-22T13:46:58","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/format-szhatiya-flac-oficzialno-zakreplyon-v-rfc-9639"},"modified":"2024-12-22T15:46:58","modified_gmt":"2024-12-22T13:46:58","slug":"format-szhatiya-flac-oficzialno-zakreplyon-v-rfc-9639","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/format-szhatiya-flac-oficzialno-zakreplyon-v-rfc-9639","title":{"rendered":"Form\u00e1t komprese FLAC byl ofici\u00e1ln\u011b potvrzen v RFC 9639","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V\u00fdbor IETF (Internet Engineering Task Force), kter\u00fd se zab\u00fdv\u00e1 rozvojem protokol\u016f a architektury internetu, dokon\u010dil vypracov\u00e1n\u00ed RFC pro voln\u00fd zvukov\u00fd kodek FLAC (Free Lossless Audio Codec), vyvinut\u00fd komunitou Xiph.Org. S form\u00e1tem souvisej\u00edc\u00ed specifikace byla zve\u0159ejn\u011bna pod identifika\u010dn\u00edm \u010d\u00edslem RFC 9639. RFC z\u00edskal status «N\u00e1vrhov\u00e9ho standardu» a popisuje aktu\u00e1ln\u00ed stav form\u00e1tu komprese FLAC, s v\u00fdjimkou v\u00fdslovn\u00e9ho p\u0159id\u00e1n\u00ed podpory 32bitov\u00e9ho zvuku a zaveden\u00ed omezen\u00ed pro jeho adaptaci. <\/p>\n

O\u010dek\u00e1v\u00e1 se, \u017ee publikace RFC usnadn\u00ed vznik nov\u00fdch implementac\u00ed dekod\u00e9r\u016f FLAC od nuly a umo\u017en\u00ed obnovit podporu form\u00e1tu pro p\u0159\u00edstup k ulo\u017een\u00fdm zvukov\u00fdm soubor\u016fm i v dalek\u00e9 budoucnosti, a\u017e bude form\u00e1t FLAC a jeho realizace zapomenuty. D\u0159\u00edve m\u011bli v\u00fdvoj\u00e1\u0159i k dispozici dokumentaci od projektu Xiph a referen\u010dn\u00ed implementaci obsahuj\u00edc\u00ed v\u0161echny pot\u0159ebn\u00e9 detaily. S p\u0159\u00edchodem RFC jsou v\u0161echny informace soust\u0159ed\u011bny do jednoho dokumentu, co\u017e v\u00fdvoj\u00e1\u0159\u016fm usnad\u0148uje pr\u00e1ci, proto\u017ee se ji\u017e nemus\u00ed obracet na zdrojov\u00fd k\u00f3d referen\u010dn\u00ed knihovny nebo proch\u00e1zet archivy diskusn\u00edch seznam\u016f p\u0159i hled\u00e1n\u00ed podrobnost\u00ed. <\/p>\n

Kodek FLAC pou\u017e\u00edv\u00e1 metody k\u00f3dov\u00e1n\u00ed beze ztr\u00e1t (lossless), co\u017e zaru\u010duje pln\u00e9 uchov\u00e1n\u00ed p\u016fvodn\u00ed kvality zvukov\u00e9ho proudu a jeho identitu s referen\u010dn\u00ed variantou. Pou\u017e\u00edvan\u00e9 bezplatn\u00e9 metody komprese umo\u017e\u0148uj\u00ed sn\u00ed\u017eit velikost p\u016fvodn\u00edho zvukov\u00e9ho proudu o 50-60%. FLAC je zcela otev\u0159en\u00fd streamovac\u00ed form\u00e1t, kter\u00fd zahrnuje nejen dostupnost knihoven s implementac\u00ed k\u00f3dovac\u00edch a dekodovac\u00edch funkc\u00ed, ale tak\u00e9 neexistenci omezen\u00ed pro pou\u017e\u00edv\u00e1n\u00ed a vytv\u00e1\u0159en\u00ed odvozen\u00fdch variant. K\u00f3d referen\u010dn\u00edch knihoven je \u0161\u00ed\u0159en pod licenc\u00ed BSD.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u0438\u0442\u0435\u0442 IETF (Internet Engineering Task Force), \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 \u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442\u0430, \u0437\u0430\u0432\u0435\u0440\u0448\u0438\u043b \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 RFC \u0434\u043b\u044f \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u0437\u0432\u0443\u043a\u043e\u0432\u043e\u0433\u043e \u043a\u043e\u0434\u0435\u043a\u0430 FLAC (Free Lossless Audio Codec), \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u043e\u0433\u043e \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e\u043c Xiph.Org. \u0421\u0432\u044f\u0437\u0430\u043d\u043d\u0430\u044f \u0441 \u0444\u043e\u0440\u043c\u0430\u0442\u043e\u043c \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430 \u043f\u043e\u0434 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u043e\u043c RFC 9639. RFC \u043f\u043e\u043b\u0443\u0447\u0438\u043b \u0441\u0442\u0430\u0442\u0443\u0441 «\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430» \u0438 \u043e\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u0442 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0435 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u0441\u0436\u0430\u0442\u0438\u044f FLAC, \u0437\u0430 \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435\u043c \u044f\u0432\u043d\u043e\u0433\u043e \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 32-\u0440\u0430\u0437\u0440\u044f\u0434\u043d\u043e\u0433\u043e \u0437\u0432\u0443\u043a\u0430 […]<\/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-121114","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\udd47Form\u00e1t komprese FLAC je ofici\u00e1ln\u011b zaji\u0161t\u011bn v RFC 9639 | ProHoster","description":"Komise IETF (Internet Engineering Task Force), kter\u00e1 se zab\u00fdv\u00e1 rozvojem protokol\u016f a architektury internetu, dokon\u010dila p\u0159\u00edpravu RFC pro otev\u0159en\u00fd zvukov\u00fd kodek FLAC (Free Lossless Audio Codec), 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\u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 \u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442\u0430, \u0437\u0430\u0432\u0435\u0440\u0448\u0438\u043b \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 RFC \u0434\u043b\u044f \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u0437\u0432\u0443\u043a\u043e\u0432\u043e\u0433\u043e \u043a\u043e\u0434\u0435\u043a\u0430 FLAC (Free Lossless Audio Codec), 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