{"id":105064,"date":"2022-09-11T03:36:39","date_gmt":"2022-09-11T01:36:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/opublikovan-svobodnyj-zvukovoj-kodek-flac-1-4"},"modified":"2022-09-11T03:36:39","modified_gmt":"2022-09-11T01:36:39","slug":"opublikovan-svobodnyj-zvukovoj-kodek-flac-1-4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/opublikovan-svobodnyj-zvukovoj-kodek-flac-1-4","title":{"rendered":"Avaldatud tasuta helikoodik FLAC 1.4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>P\u00e4rast \u00fcheksa aastat alates eelneva olulise versiooni avaldamisest esitles Xiph.Org kogukond uut versiooni avatud FLAC koodekist 1.4.0, mis v\u00f5imaldab helikodeerimist kvaliteetsetest kaotusteta. FLAC kasutab ainult kaotusteta kodeerimismeetodeid, mis tagavad algse helivoo kvaliteedi t\u00e4ieliku s\u00e4ilimise ja selle identiteedi kodeeritud eelmise variandiga. Kasutatavad kaotusteta kokkusurumismeetodid v\u00f5imaldavad v\u00e4hendada algse helivoo suurust 50-60%. FLAC on t\u00e4iesti tasuta voogedastusformaat, millel on avatud juurdep\u00e4\u00e4s kodeerimise ja dekodeerimise funktsioone teostavatele raamatukogudele, samuti m\u00e4\u00e4ruste kasutamise ja tuletatud variantide loomise piirangute puudumine. Raamatukogude kood levitatakse BSD litsentsi alusel.    <\/p>\n<p>T\u00e4htsamaid muudatusi on:  <\/p>\n<ul>\n<li class=\"l\">  Lisatud tugi 32-bitisele kvantimisv\u00f5imekusele (bit-per-sample) kodeerimisel ja dekodeerimisel.\n<li class=\"l\"> Kokkusurumise efektiivsus on 3 kuni 8 tasemel paranenud, oma hinda on v\u00e4hendatud kodeerimiskiirusest, kuna on suurenenud autokorrelatsioonide arvutamise t\u00e4psus. Kodeerimiskiirus on suurenenud tasemetel 0, 1 ja 2. Tasemetele 1 kuni 4 on veidi paranenud kokkusurumine t\u00e4nu kohandatud heuristikale.\n<li class=\"l\"> 64-bitistel ARMv8 protsessoritel on kokkusurutamise kiirus m\u00e4rkimisv\u00e4\u00e4rselt paranenud t\u00e4nu NEON juhiste kasutamisele. Suurenenud j\u00f5udlus x86_64 protsessoritel, mis toetavad FMA juhiskomplekti.\n<li class=\"l\"> Raamatukogude libFLAC ja libFLAC++ API ja ABI on muudetud (versiooni 1.4 uuendamisel tuleb rakendusi uuesti kompileerida).\n<li class=\"l\"> XMMS plugin on kuulutatud aegunuks ja see eemaldatakse j\u00e4rgmise versiooniga.\n<li class=\"l\"> Raamatukogus libFLAC ja utiliidis flac on antud v\u00f5imalus piirata FLAC-failide minimaalset bitikiirust kuni 1 bit n\u00e4idise kohta (mis v\u00f5ib olla kasulik otse\u00fclekande korraldamisel).\n<li class=\"l\"> On saanud v\u00f5imalikuks kodeerida faile, mille n\u00e4idissaagedus on kuni 1048575 Hz.\n<li class=\"l\"> Flac utiliid on rakendatud uued valikud &#171;&#8212;limit-min-bitrate&#187; ja &#171;&#8212;keep-foreign-metadata-if-present&#187;.     <\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57761\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043f\u0443\u0441\u0442\u044f \u0434\u0435\u0432\u044f\u0442\u044c \u043b\u0435\u0442 \u0441 \u043c\u043e\u043c\u0435\u043d\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0448\u043b\u043e\u0439 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e Xiph.Org \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u043e \u043d\u043e\u0432\u0443\u044e \u0432\u0435\u0440\u0441\u0438\u044e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0435\u043a\u0430 FLAC 1.4.0, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0437\u0432\u0443\u043a\u0430 \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 [&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-105064","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043f\u0443\u0441\u0442\u044f \u0434\u0435\u0432\u044f\u0442\u044c \u043b\u0435\u0442 \u0441 \u043c\u043e\u043c\u0435\u043d\u0442\u0430 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