{"id":87326,"date":"2020-07-07T07:41:59","date_gmt":"2020-07-07T05:41:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/utverzhdyon-standart-kodirovaniya-video-h-266-vvc"},"modified":"2020-07-07T07:41:59","modified_gmt":"2020-07-07T05:41:59","slug":"utverzhdyon-standart-kodirovaniya-video-h-266-vvc","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/utverzhdyon-standart-kodirovaniya-video-h-266-vvc","title":{"rendered":"Kinnitatud video kodeerimise standard H.266\/VVC","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Peaaegu viie aasta arendamise p\u00e4rast kinnitatud<\/a><\/noindex> uus video kodeerimise standard H.266, tuntud ka kui VVC (Versatile Video Coding). H.266 esitatakse H.265 (HEVC) standardi j\u00e4rgijana, mille on v\u00e4lja t\u00f6\u00f6tanud t\u00f6\u00f6r\u00fchmad MPEG<\/a><\/noindex> (ISO\/IEC JTC 1) ja VCEG<\/a><\/noindex> (ITU-T), kaasates selliseid ettev\u00f5tteid nagu Apple, Ericsson, Intel, Huawei, Microsoft, Qualcomm ja Sony. H.266\/VVC kodeerija ja dekodeerija standardi rakenduse avaldamist oodatakse s\u00fcgisel.<\/p>\n

H.266\/VVC tagab k\u00f5rge \u00fclekande- ja salvestust\u00f5hususe k\u00f5ikides ekraanide resolutsioonides (alates SD-st ja HD-st kuni 4K ja 8K), toetab laiendatud d\u00fcnaamilise vahemiku (HDR, High Dynamic Range) videot ja 360-kraadist panoramavideot. Toetatakse v\u00e4rviruumi YCbCr koos kromaatiliste konversioonidega 4:4:4 ja 4:2:2, v\u00e4rvide s\u00fcgavusega 10 kuni 16 bitti kanalite kaupa, samuti abikanalitega selliste andmete jaoks nagu s\u00fcgavus ja l\u00e4bipaistvus.<\/p>\n

H.265 (HEVC) v\u00f5rreldes uue standardiga toimub m\u00e4rgatav kompressioonitaseme t\u00f5us, v\u00f5imaldades sarnaste bittide m\u00e4\u00e4rade juures edastatavate andmete mahtu v\u00e4hendada umbes 50% ilma pildi kvaliteedi kadumiseta. N\u00e4iteks kui 90-minutise UHD kvaliteediga video edastamiseks H.265 korral oli vaja 10 GB andmeid, siis H.266 v\u00f5imaldab selle paigutada 5 GB, s\u00e4ilitades sama kvaliteeditaseme. V\u00f5rdluseks, AV1 formaadi kompressioonit\u00f5husus \u00fcletab<\/a><\/noindex> HEVC keskmiselt 17% (k\u00f5rgete bitim\u00e4\u00e4rade korral 30-43%).<\/p>\n

Kompressiooni efektiivsuse t\u00f5us tuleb aga hinna t\u00f5stmise arvelt; algoritmide t\u00fcsistumise t\u00f5ttu suureneb arvutusressursside n\u00f5udlus (kuni 10 korda kodeerimise ja kuni 2 korda dekodeerimise osas v\u00f5rreldes H.265-iga). Erinevalt AV1 videokodeerimisformaadist, n\u00f5uab H.266\/VVC kasutamine toodetes litsentsitasu tasumist. \u00dchenduse loomisega H.266\/VVC standardiga seotud patentide litsentsimiseks on loodud MC-IF (Media Coding Industry Forum), kuhu kuulub \u00fcle 30 ettev\u00f5tte ja organisatsiooni, kellel on H.266\/VVC-s kasutatud intellektuaalomand.<\/p>\n

<\/a><\/noindex><\/p>\n

Allikas: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041f\u043e\u0441\u043b\u0435 \u043f\u043e\u0447\u0442\u0438 \u043f\u044f\u0442\u0438 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0443\u0442\u0432\u0435\u0440\u0436\u0434\u0451\u043d \u043d\u043e\u0432\u044b\u0439 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0438\u0434\u0435\u043e H.266, \u0442\u0430\u043a \u0436\u0435 \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b\u0439 \u043f\u043e\u0434 \u0438\u043c\u0435\u043d\u0435\u043c VVC (Versatile Video Coding). H.266 \u043f\u0440\u0435\u043f\u043e\u0434\u043d\u043e\u0441\u0438\u0442\u0441\u044f \u043a\u0430\u043a \u043f\u0440\u0435\u0435\u043c\u043d\u0438\u043a \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 H.265 (HEVC), \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u044b\u0439 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u043e \u0440\u0430\u0431\u043e\u0447\u0438\u043c\u0438 \u0433\u0440\u0443\u043f\u043f\u0430\u043c\u0438 MPEG (ISO\/IEC JTC 1) \u0438 VCEG (ITU-T), \u043f\u0440\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0438 \u0442\u0430\u043a\u0438\u0445 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0439, \u043a\u0430\u043a Apple, Ericsson, Intel, Huawei, Microsoft, Qualcomm \u0438 Sony. \u041f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u044f \u044d\u0442\u0430\u043b\u043e\u043d\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\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-87326","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\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\udd47H.266\/VVC video kodeerimise standard on kinnitatud | ProHoster","description":"Peaaegu viie aasta arenduse j\u00e4rel on toode heaks kiidetud uus videokodeerimise standard 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