{"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\/da\/blog\/news\/format-szhatiya-flac-oficzialno-zakreplyon-v-rfc-9639","title":{"rendered":"FLAC-komprimeringsformatet er officielt fastlagt i RFC 9639","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

IETF (Internet Engineering Task Force), der arbejder med udviklingen af internettets protokoller og arkitektur, har afsluttet udarbejdelsen af RFC for den frie lydkodek FLAC (Free Lossless Audio Codec), udviklet af Xiph.Org-f\u00e6llesskabet. Den relaterede specifikation til formatet er publiceret under identifikatoren RFC 9639. RFC'en har f\u00e5et status som 'Forsl\u00e5et standard' og beskriver den nuv\u00e6rende tilstand af FLAC-komprimeringsformatet, med undtagelse af den eksplicitte tilf\u00f8jelse af st\u00f8tte til 32-bit lyd og indf\u00f8relsen af begr\u00e6nsninger for dets tilpasning. <\/p>\n

Det forventes, at offentligg\u00f8relsen af RFC vil forenkle oprettelsen af nye implementationer af FLAC-dekodere fra bunden og muligg\u00f8re genopretning af formatets st\u00f8tte til adgang til bevarede lydfiler i en fjern fremtid, efter at FLAC-formatet og dets implementationer er g\u00e5et i glemmebogen. Tidligere har udviklerne f\u00e5et dokumentation fra Xiph-projektet og en reference-implementation, der indeholdt alle n\u00f8dvendige detaljer. Med fremkomsten af RFC er al information samlet i \u00e9t dokument, der befrier udviklere fra at skulle kontakte kildekoden til den referencebibliotek eller gennemg\u00e5 arkiver af mailinglister for at finde detaljer. <\/p>\n

FLAC-kodeken bruger tabsl\u00f8se kodningsmetoder, hvilket garanterer fuld bevarelse af den oprindelige kvalitet af lydstr\u00f8mmen og dens identitet med referenceversionen. De anvendte tabsl\u00f8se komprimeringsmetoder muligg\u00f8r en reduktion af st\u00f8rrelsen p\u00e5 den oprindelige lydstr\u00f8m med 50-60%. FLAC er et helt frit streamingformat, der indeb\u00e6rer ikke kun \u00e5benhed af bibliotekerne med implementeringen af kodnings- og dekodningsfunktioner, men ogs\u00e5 frav\u00e6r af begr\u00e6nsninger for brug og skabelse af afledte versioner. Koden til referencebibliotekerne distribueres under BSD-licensen.
\n
Kilde: 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\udd47FLAC-komprimeringsformatet er officielt bekr\u00e6ftet i RFC 9639 | ProHoster","description":"IETF (Internet Engineering Task Force), der har ansvar for udviklingen af internettets protokoller og arkitektur, har afsluttet udarbejdelsen af RFC for den gratis lydkodek 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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