{"id":121849,"date":"2025-02-11T20:22:05","date_gmt":"2025-02-11T18:22:05","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/opublikovan-svobodnyj-zvukovoj-kodek-flac-1-5"},"modified":"2025-02-11T20:22:05","modified_gmt":"2025-02-11T18:22:05","slug":"opublikovan-svobodnyj-zvukovoj-kodek-flac-1-5","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/opublikovan-svobodnyj-zvukovoj-kodek-flac-1-5","title":{"rendered":"Megjelent a FLAC 1.5 szabad hangk\u00f3dol\u00f3.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A Xiph.Org k\u00f6z\u00f6ss\u00e9g kiadta a FLAC 1.5.0 szabad hangk\u00f3dol\u00f3 friss\u00edt\u00e9s\u00e9t, amely lehet\u0151v\u00e9 teszi a hang t\u00f6m\u00f6r\u00edt\u00e9s\u00e9t min\u0151s\u00e9groml\u00e1s n\u00e9lk\u00fcl. A FLAC kiz\u00e1r\u00f3lag vesztes\u00e9gmentes k\u00f3dol\u00e1si m\u00f3dszereket haszn\u00e1l, ami garant\u00e1lja az eredeti hangmin\u0151s\u00e9g teljes meg\u0151rz\u00e9s\u00e9t \u00e9s az alapv\u00e1ltozathoz val\u00f3 h\u0171s\u00e9get, amely k\u00f3dol\u00e1snak volt kit\u00e9ve. A vesztes\u00e9gmentes t\u00f6m\u00f6r\u00edt\u00e9si m\u00f3dszerek r\u00e9v\u00e9n viszont az eredeti hang\u00e1ram m\u00e9rete 50-60%-kal cs\u00f6kkenthet\u0151. A FLAC teljesen szabad \u00e1raml\u00e1si form\u00e1tum, amely nem csup\u00e1n a k\u00f3dol\u00e1si \u00e9s dek\u00f3dol\u00e1si funkci\u00f3kat megval\u00f3s\u00edt\u00f3 k\u00f6nyvt\u00e1rak nyitotts\u00e1g\u00e1t jelenti, hanem a specifik\u00e1ci\u00f3k felhaszn\u00e1l\u00e1s\u00e1ra \u00e9s sz\u00e1rmaz\u00e9kos v\u00e1ltozatok l\u00e9trehoz\u00e1s\u00e1ra vonatkoz\u00f3 korl\u00e1toz\u00e1sok hi\u00e1ny\u00e1t is. A k\u00f6nyvt\u00e1rak k\u00f3dja BSD licensz alatt terjesztend\u0151.  <\/p>\n<p>Az \u00faj verzi\u00f3ban tal\u00e1lhat\u00f3 v\u00e1ltoz\u00e1sok:  <\/p>\n<ul>\n<li class=\"l\"> A k\u00f3dol\u00f3 t\u00f6bb sz\u00e1lon is m\u0171k\u00f6dik. A t\u00f6bb sz\u00e1las k\u00f3dol\u00f3 a libFLAC-on vagy a flac parancssori eszk\u00f6z\u00f6n kereszt\u00fcl haszn\u00e1lhat\u00f3.\n<li class=\"l\"> Hozz\u00e1adva a l\u00e1ncolt (chained) Ogg f\u00e1jlok dek\u00f3dol\u00e1si lehet\u0151s\u00e9ge, amelyekben t\u00f6bb f\u00fcggetlen FLAC hang\u00e1ram van \u00f6sszecsomagolva egy f\u00e1jlba.\n<li class=\"l\"> A libFLAC, libFLAC++ \u00e9s metaflac eszk\u00f6z\u00f6kn\u00e9l a metad\u00e1tumok m\u00f3dos\u00edt\u00e1sakor \u00faj f\u00e1jl \u00edr\u00e1s\u00e1nak t\u00e1mogat\u00e1sa ker\u00fclt bevezet\u00e9sre a megl\u00e9v\u0151 f\u00e1jl fel\u00fcl\u00edr\u00e1sa helyett. A libFLAC-n\u00e1l a metad\u00e1tumok m\u00f3dos\u00edt\u00e1sakor ellen\u0151rz\u00e9s ker\u00fclt bevezet\u00e9sre a szimbolikus hivatkoz\u00e1sok bemenetk\u00e9nt val\u00f3 haszn\u00e1lat\u00e1ra \u00e9s v\u00e9delem ker\u00fclt a hasonl\u00f3 f\u00e1jlokba val\u00f3 \u00edr\u00e1s ellen a f\u00e1jl azonnali cser\u00e9je eset\u00e9n.\n<li class=\"l\"> B\u0151v\u00fclt a libFLAC \u00e9s libFLAC++ k\u00f6nyvt\u00e1rak API-ja.\n<li class=\"l\"> Az LMS (Loose Mid-Side) \u00fczemm\u00f3d t\u00f6bb sz\u00e1lon val\u00f3 munkav\u00e9gz\u00e9sre alkalmazott implement\u00e1l\u00e1sra ker\u00fclt, amely k\u00fcl\u00f6n-k\u00fcl\u00f6n k\u00f3dolja a sztere\u00f3 csatorn\u00e1k k\u00f6z\u00f6s inform\u00e1ci\u00f3j\u00e1t \u00e9s a bal \u00e9s jobb csatorna k\u00f6z\u00f6tti k\u00fcl\u00f6nbs\u00e9get.\n<li class=\"l\"> T\u00e1mogat\u00e1s ker\u00fclt bevezet\u00e9sre a WebAssembly n\u00e9zetbe val\u00f3 ford\u00edt\u00e1shoz az Emscripten ford\u00edt\u00f3val.\n<li class=\"l\"> A FLAC form\u00e1tum specifik\u00e1ci\u00f3ja r\u00f6gz\u00edt\u00e9sre ker\u00fclt az RFC 9639-ben.\n<li class=\"l\"> A flac seg\u00e9dprogramban a megl\u00e9v\u0151 FLAC-f\u00e1jl \u00e1tk\u00f3dol\u00e1sa sor\u00e1n mostant\u00f3l MD5-hash-ellen\u0151rz\u00e9s is t\u00f6rt\u00e9nik. A tesztm\u00f3dban a \"flac -t\" parancs minden metaadat-blokkot elemez, \u00e9s figyelmeztet\u00e9seket jelen\u00edt meg, ha ID3v1 metaadatokat \u00e9szlel. Jav\u00edtott\u00e1k az el\u00e9rhet\u0151 opci\u00f3kr\u00f3l sz\u00f3l\u00f3 be\u00e9p\u00edtett s\u00fag\u00f3t. Dokument\u00e1lt\u00e1k a flac seg\u00e9dprogram \u00e1ltal haszn\u00e1lt k\u00fcls\u0151 metaadatok t\u00e1rol\u00e1si form\u00e1tum\u00e1t.\n<li class=\"l\"> A dokument\u00e1ci\u00f3 GFDL (GNU Free Documentation License) licensze friss\u00edt\u00e9sre ker\u00fclt a 1.3 verzi\u00f3ra (kor\u00e1bban 1.2 verzi\u00f3 volt).         <\/ul>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62708\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e Xiph.Org \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \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 1.5.0, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0441\u0436\u0438\u043c\u0430\u0442\u044c \u0437\u0432\u0443\u043a \u0431\u0435\u0437 \u043f\u043e\u0442\u0435\u0440\u0438 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0430. FLAC \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u043c\u0435\u0442\u043e\u0434\u044b \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0431\u0435\u0437 \u043e\u0442\u0431\u0440\u0430\u0441\u044b\u0432\u0430\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 (lossless), \u0447\u0442\u043e \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0440\u0443\u0435\u0442 \u043f\u043e\u043b\u043d\u0443\u044e \u0441\u043e\u0445\u0440\u0430\u043d\u043d\u043e\u0441\u0442\u044c \u0438\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0430 \u0437\u0432\u0443\u043a\u043e\u0432\u043e\u0433\u043e \u043f\u043e\u0442\u043e\u043a\u0430 \u0438 \u0435\u0433\u043e \u0438\u0434\u0435\u043d\u0442\u0438\u0447\u043d\u043e\u0441\u0442\u044c \u0441 \u044d\u0442\u0430\u043b\u043e\u043d\u043d\u044b\u043c \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u043e\u043c, \u043f\u043e\u0434\u0432\u0435\u0440\u0433\u043d\u0443\u0442\u044b\u043c \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044e. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u044b\u0435 \u043c\u0435\u0442\u043e\u0434\u044b \u0441\u0436\u0430\u0442\u0438\u044f \u0431\u0435\u0437 \u043f\u043e\u0442\u0435\u0440\u044c \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0443\u043c\u0435\u043d\u044c\u0448\u0438\u0442\u044c \u0440\u0430\u0437\u043c\u0435\u0440 \u0438\u0441\u0445\u043e\u0434\u043d\u043e\u0433\u043e \u0437\u0432\u0443\u043a\u043e\u0432\u043e\u0433\u043e \u043f\u043e\u0442\u043e\u043a\u0430 \u043d\u0430 50-60%. [&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-121849","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e Xiph.Org \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \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 1.5.0, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0441\u0436\u0438\u043c\u0430\u0442\u044c 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