AV1 ku MKV Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu
Kodi ndingasinthire bwanji AV1 kupita ku MKV popanda kubwezeretsa kanema wa kanema?
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Ngati ma kontena a AV1 ndi MKV angagwiritse ntchito codec yomweyo (H.264, H.265, VP9, AV1), wosintha amabwerera ku remuxer: ma streams oyamba amakopedwa ndi byte-by-byte ku MKV kontena ndipo amasintha kokha. Remux ya 1 GB AV1 ku MKV nthawi zambiri imatha m'masekondi a 5-15 ndi kuwonongeka kwabwino. AV1 ndi codec, si kontena - bitstream nthawi zambiri amayenda m'ma MP4 kapena WebM, kugwirizana ndi Opus kapena AAC audio. MKV ndi codec-agnostic: H.264, HEVC, VP9 ndi AV1 kanema kulowa bwino mbali AAC, FLAC, Opus, DTS kapena Dolby Audio mu imodzi wapamwamba.
Kodi ndingapezebe fayilo patsamba la webusaiti pambuyo posintha AV1 ku MKV?
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Sizokha. AV1 imasewera m'masamba onse a masamba; MKV sichichita, chifukwa chake tsamba lophatikizira limabwerera ku download link kapena frame ya wosewera mpira wopanda. Ngati fayiloyo ikuyenera kupezeka patsamba, onetsetsani kuti AV1 ndi webusaitiyi ndipo ganizirani MKV ngati archive kapena kusinthira kokha. MKV ali pafupifupi palibe native hardware thandizo - foni, mawebusayiti ndi TVs nthawi zambiri ayenera VLC kapena remux pamaso iwo adzasewera.
Izi amasintha zimene kuyembekezera kuchokera kutuluka wapamwamba. Mmodzi wa mbali ya izi kusintha dzina encoding kuposa wrapper, kotero zimene zimabweranso ndi kuti bitstream m'matumba ameneyo amafuna bwino — nthawi zambiri MP4 kapena MKV. Kuwonjezeka kusonyeza m'matumba; codec ndi zimene inali kuika kukula kwa fayilo ndi kumene izo adzasewera.
Kodi ma audio ambiri adzapulumuka kusinthidwa kwa AV1 kupita ku MKV?
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Ndikoyenera - zonse zolemba za audio mu AV1 (kuwunika kwa woyang'anira, mabungwe osiyanasiyana, mawu ofotokoza) amasungidwa mu MKV pamene chikwama chofunikira chimathandizira ma audio ambiri. MKV ndi MOV amayendetsa ma audio osatha; MP4 amathandizira ambiri koma ena osewera a hardware amawona kokha track 1; WebM imatha pa Opus / Vorbis track. MKV ndi Matroska, otsegulira chidebe anapanga mu 2002 ndi palibe kuvomereza zoletsa ndi palibe malire pa zimene angachite.
Kodi ma subtitle amasunga zosunga pamene AV1 amasinthidwa kuti MKV?
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Ma subtitle olimba (ma tracks osankhika) amapulumuka pamene MKV angawagwiritse ntchito: MKV amagwiritsa ntchito SRT, ASS, SSA, PGS, VobSub mwachilengedwe; MP4 amagwiritsa ntchito mov_text (format yosasinthasintha). Kusintha MKV ndi subs a ASS ku MP4 kumawawononga kuti akhale mov_text kapena kuwalemba. Hardsubs (olembana mu kanema) amagwiritsa ntchito ngakhale.
Kodi AV1 mpaka MKV amasunga masamba olemba / kuyendera kwa DVD?
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Metadata ya bokosi limasintha pakati pa AV1 ndi MKV pamenepo onse awiri amapereka bokosi la atomu (MKV, MP4, MOV). WebM imasunga bokosi m'ma block ogwirizana ndi Matroska, choncho MKV <-> WebM bokosi limayenda molimba. AVI sichimakhala ndi bokosi la spec, choncho kusintha kwa AVI ku MKV kumabweretsa fayilo yosasinthika ngati simuwonjezera ma markers m'manja.
Kodi ndi chiyani za MKV zowonjezera (fonti, kusindikiza) pamene mukupita AV1 ku MKV?
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MKV ndi yokha mainstream yokhala ndi ma fayilo ophatikizidwa (TTF fonts for ASS subs, JPG cover art, fan-translated PDF inserts). Kuchokera ku AV1 kupita ku MKV kumachotsa ma attachments pamene MKV si MKV - ma streams elementary amasinthidwa, koma payload ophatikizidwa amakhala m'malo ochokera. Tengani AV1 ngati chitetezo ngati mumatengera ma fonts ophatikizidwa.
Kodi codec yomwe MKV imagwiritsa ntchito ndi yosasinthika?
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Kodiyi ya default imasankhidwa kuti igwirizane ndi MKV yokhala ndi katundu: MKV imasinthidwa kukhala H.265 (HEVC) kuti ikhale yolimba kwambiri; MP4 imasinthidwa kukhala H.264 kuti ikhale yolimba kwambiri; WebM imasinthidwa kukhala VP9; AVI imagwiritsa ntchito MPEG-4 ASP (DivX / Xvid linage). MKV ndi archived chidebe cha kusankha chifukwa amasunga unlimited audio nyimbo, softsubs, mfundo ofotokoza ndi kukhudza zojambulajambula mu imodzi wapamwamba.
Kodi HDR (HDR10, Dolby Vision) imatha bwanji AV1 mpaka MKV?
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HDR static metadata (HDR10 mastering display values, max content light level) imatha kupita ku MKV pamene ma kontena awiri ndi codec osankhidwa amathandizira (HEVC, AV1 mu MKV / MP4). Dolby Vision ndi wolimba kwambiri - DV profile 5 / 7 / 8.1 mu AV1 nthawi zambiri amapulumuka okha ku MKV ndi HEVC; kusinthidwa ku MKV kontena lomwe silitha kunyamula gawo la DV limatha ku HDR10.
Kodi wosinthira AV1 mpaka MKV adzasunga kusinthasintha kwa framerate (VFR)?
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MKV ndi WebM amalemba ma timestamps a real-frame ndi kuwongolera VFR mwanjira yachibadwa, kotero kuti AV1 VFR imatha kukhala ndi MKV ya mafomuwa popanda kubwezeretsa. MP4 imasunga nthawi yowonjezerapo koma ena osewera amaganiza kuti CFR; wosintha amatulutsa "kulepheretsa CFR" kuti abwezeretse VFR AV1 ku 24 / 30 / 60 fps MKV kwa zolinga zosatheka.
Remux ya codec yomweyo imatulutsa kukula kwakukulu (kuphatikiza kwa kontena kumasiyana ndi 0.1-2%). Kusintha kwa codec kungapangitse kukula kwa 50% kapena kuposa: H.264 kupita ku H.265 kumatha kuchepetsa fayilo pazomwe zimawoneka bwino; H.264 kupita ku AV1 kumatha kuchepetsanso panthawi ya slow.Kuchokera ku high-bitrate AV1 (Blu-ray rip) kupita ku low-bitrate MKV (kutsitsa pa intaneti) ndichifukwa chofala kwambiri cha kugwa kwakukulu.
Ndiyo mpaka 8K (7680x4320) pa Premium. Mlingo wopanda malire umatha 4K (3840x2160) mpaka kumapeto kwa fayilo ya 1 GB. Ma remuxes oyera (kupita kwa codec yofanana) ya AV1 yokulirapo kupita ku MKV amalepheretsa I / O ya diski, osati CPU - 30 GB AV1 amasinthanso kupita ku MKV m'miphindi yochepa popanda kuyankhulana. Amasinthanso kukula ndi kuchuluka kwa ma pixel.
