{"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\/pl\/blog\/news\/opublikovan-svobodnyj-zvukovoj-kodek-flac-1-5","title":{"rendered":"Opublikowany bezp\u0142atny kodek d\u017awi\u0119kowy FLAC 1.5","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Spo\u0142eczno\u015b\u0107 Xiph.Org opublikowa\u0142a aktualizacj\u0119 wolnego kodeka audio FLAC 1.5.0, umo\u017cliwiaj\u0105cego kompresj\u0119 d\u017awi\u0119ku bez utraty jako\u015bci. FLAC stosuje wy\u0142\u0105cznie metody kodowania bezstratnego, co gwarantuje pe\u0142ne zachowanie pierwotnej jako\u015bci strumienia audio oraz jego identyczno\u015b\u0107 z wersj\u0105 referencyjn\u0105 poddan\u0105 kodowaniu. Jednocze\u015bnie metody kompresji bezstratnej pozwalaj\u0105 na zmniejszenie rozmiaru oryginalnego strumienia d\u017awi\u0119kowego o 50-60%. FLAC jest ca\u0142kowicie wolnym formatem strumieniowym, co oznacza nie tylko dost\u0119pno\u015b\u0107 bibliotek implementuj\u0105cych funkcje kodowania i dekodowania, ale tak\u017ce brak ogranicze\u0144 w zakresie wykorzystania specyfikacji i tworzenia pochodnych wariant\u00f3w. Kod bibliotek jest rozpowszechniany na licencji BSD.  <\/p>\n<p>W\u015br\u00f3d zmian w nowej wersji:  <\/p>\n<ul>\n<li class=\"l\"> Zaimplementowano prac\u0119 kodera w trybie wielow\u0105tkowym. Koder wielow\u0105tkowy mo\u017cna u\u017cywa\u0107 przez libFLAC lub za pomoc\u0105 narz\u0119dzia wiersza polece\u0144 flac.\n<li class=\"l\"> Dodano mo\u017cliwo\u015b\u0107 dekodowania powi\u0105zanych (chained) plik\u00f3w Ogg, w kt\u00f3rych w jeden plik spakowano kilka niezale\u017cnych strumieni audio FLAC.\n<li class=\"l\"> W libFLAC, libFLAC++ i metaflac wprowadzono wsparcie dla zapisu do nowego pliku przy zmianie metadanych, zamiast nadpisywania istniej\u0105cego pliku. W libFLAC przy zmianie metadanych dodano sprawdzenie wskazania symbolicznego linku jako pliku wej\u015bciowego i wprowadzono ochron\u0119 przed zapisem do takich plik\u00f3w podczas zast\u0119powania pliku w miejscu.\n<li class=\"l\"> Zwi\u0119kszono mo\u017cliwo\u015b\u0107 API bibliotek libFLAC i libFLAC++.\n<li class=\"l\"> Dostosowano implementacj\u0119 trybu LMS (Loose Mid-Side) do pracy wielow\u0105tkowej, oddzielnie koduj\u0105c\u0105 wsp\u00f3lne dla kana\u0142\u00f3w stereo informacje i r\u00f3\u017cnic\u0119 mi\u0119dzy lewym a prawym kana\u0142em.\n<li class=\"l\"> Wprowadzono wsparcie dla kompilacji do postaci WebAssembly przez kompilator Emscripten.\n<li class=\"l\"> Specyfikacja formatu FLAC zosta\u0142a zatwierdzona w RFC 9639.\n<li class=\"l\"> W narz\u0119dziu flac dodano sprawdzenie zgodno\u015bci sum MD5 podczas rekodowania istniej\u0105cego pliku FLAC. W trybie testowym &#171;flac -t&#187; teraz analizowane s\u0105 wszystkie bloki metadanych, a ostrze\u017cenia s\u0105 wy\u015bwietlane w przypadku wykrycia metadanych ID3v1. Ulepszono wbudowan\u0105 pomoc dotycz\u0105c\u0105 dost\u0119pnych opcji. Udokumentowano format przechowywania zewn\u0119trznych metadanych u\u017cywanych przez narz\u0119dzie flac.\n<li class=\"l\"> Licencja na dokumentacj\u0119 GFDL (GNU Free Documentation License) zosta\u0142a zaktualizowana do wersji 1.3 (wcze\u015bniej by\u0142a to wersja 1.2).         <\/ul>\n<p>\u0179r\u00f3d\u0142o: <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 5.0.1.1 - 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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