Sinthani WebM ku AV1

Sinthani Yanu WebM ku AV1 zolemba molimbika

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*Mafayilo achotsedwa patatha maola 24

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Kukweza

Momwe mungasinthire WebM ku AV1

Gawo 1: Kwezani yanu WebM mafayilo pogwiritsa ntchito batani lomwe lili pamwambapa kapena pokoka ndi kugwetsa.

Gawo 2: Dinani batani la 'Convert' kuti muyambe kusintha.

Gawo 3: Tsitsani pulogalamu yanu yosinthidwa AV1 mafayilo

WebM ku AV1 Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji WebM kupita ku AV1 popanda kuwonongeka kwabwino?

Ikani fayilo yanu ya WebM ndipo wosinthira wathu amagwiritsa ntchito CRF-based re-encode yoyang'anira kutulutsa kwa AV1 (CRF 18 mosalekeza, pansi = kwakukulu / kwakukulu). Codec imasankhidwa kuti igwirizane ndi AV1 kontena (H.264 / H.265 / VP9 / AV1 monga momwe zilili).

Kodi ndi codec iti yomwe AV1 imagwiritsa ntchito?

Izi zimadalira pa galimoto. MP4 defaults kuti H.264 (mkulu playback thandizo); MKV ndi WebM defaults kuti H.265 ndi VP9 mogwirizana kwa bwino compressing pa quality imodzi.

Kodi nyimbo yanga ya audio idzapulumuka kusinthidwa kwa WebM kupita ku AV1?

Ndiyo — mawu amasinthidwanso (kapena pamene WebM ndi AV1 amagawana mawu codec) kapena amasinthidwanso kukhala AAC / Opus / Vorbis malinga ndi zomwe AV1 zimapereka. Mauthenga ambiri (mawu owonjezera, mauthenga osiyanasiyana) amasungidwa.

Kodi ndingapeze bwanji mitengo yazithunzi yoyamba pamene ndisintha WebM kupita ku AV1?

Mwa default, chigawo cha framerate sichisintha (WebM 24fps chimakhala 24fps mu AV1). Ngati mukufuna kusintha (mwachitsanzo, kuphatikizidwa 29.97 → kuwonjezeka 30fps), kugwiritsa ntchito chisankho cha framerate, chomwe chimagwira ntchito yochotsa 3:2 ndi kuchotsa chigawo cha framerate pamodzi.

Kodi pali kusinthana kwa kukula kwa fayilo pakati pa WebM ndi AV1?

Codec yofanana ndi codec (mwachitsanzo, WebM → AV1 yomwe imagwiritsidwa ntchito ndi H.264) imapanga kukula kwamtunduwu. Zosintha za Codec zitha kusinthidwa kwambiri: H.264 → H.265 zimatha kuchepetsa fayiloyo pamtundu wofanana; H.264 → VP9 ndi yofanana.

Kodi fayilo ya AV1 idzasewera pa iPhone / Android / Smart TV?

MP4 / H.264 amasewera natively kumwamba. MOV / H.264 amasewera pa Apple zipangizo ndi ambiri Smart TVs koma si pa zaka za m'ma 2000 Android. MKV amafuna VLC pa iOS. Advanced options kuphatikizapo "chida kugwirizana" preset kuti amasankha otetezeka codec / chidebe kugwirizana kwa chipangizo chofuna.

Kodi ndi nthawi yayitali bwanji kuti musinthe fayilo ya 1-hour WebM kupita ku AV1?

Kusintha kwa codec: 30-60 masekondi (opanda kusinthidwa). Kusintha kwa codec: nthawi zambiri 0.3-0.7x nthawi yoyambira pa GPU yathu, kotero fayilo ya ola limodzi imatha m'maola 18-40.

Kodi ndi chiyani chosinthika kwambiri chothandizira kwa WebM mpaka AV1?

Kufika pa 8K (7680×4320) pa Premium. Ogwiritsa ntchito aulere ali ndi 4K (3840×2160) pa malire a kukula kwa fayilo. Metadata ya HDR (HDR10, Dolby Vision) imasungidwa pomwe ma kontena a WebM ndi AV1 amathandizira.

Kodi WebM kanema wanga ndi wapadera pamene akukonzekera?

Ndikofunika — zolemba za kanema zimathetsedwa m’malo osiyana ndipo zimathetsedwa m’maola ochepa pambuyo pa kumaliza. Tisamawone, tisamasungi, sitisunga kapena sitigawana zinthu.

Kodi ndingagwiritse ntchito kapena kuchotsa nthawi ya WebM kupita ku AV1?

Sichingakhale panjira yomweyo - kugwiritsa ntchito / video-trim / kapena / video-cutter / kuti muchepetse pambuyo posintha, kenako mupange mndandanda wa WebM → AV1. Kudula ndi kusintha m'magulu ndi kosavuta kuposa kubwezeretsa fayilo yonse kuti ikhale yolimba.

Nchifukwa chiyani fayilo ya AV1 imawoneka ngati yosawoneka / yosawoneka poyerekeza ndi WebM yochokera?

Kusintha kwa CRF kuchokera pa bitrate yayikulu WebM kupita pa bitrate yayikulu kwambiri AV1 kumachepetsa kwambiri pazithunzi zokhala ndi mavidiyo ambiri. Sungani CRF mpaka 16-18 (kapena gwiritsani ntchito bitrate yodziwika bwino) ndipo yesaninso kuti mubwezeretse khalidwe.

Kodi wosintha WebM kupita ku AV1 amathandizira ma subtitle?

Ndiyo — ma subtitle ophatikizidwa (mov_text mu MP4, SRT/ASS mu MKV) amasungidwa pamene WebM ndi AV1 ma kontena amawathandizira. Ma subtitle ophatikizidwa (hardsub) amasinthidwa mwamsanga chifukwa ndi gawo la video frame.