Sinthani AV1 ku MP4

Sinthani Yanu AV1 ku MP4 mafayilo mosavuta

Sankhani mafayilo anu

*Mafayilo achotsedwa patatha maola 24

Sinthani mafayilo okwana 1 GB kwaulere, ogwiritsa ntchito Pro amatha kusintha mafayilo okwana 100 GB; Lowani tsopano

Kukweza

Momwe mungasinthire AV1 ku MP4

Gawo 1: Kwezani yanu AV1 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 MP4 mafayilo

AV1 ku MP4 Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji AV1 kupita ku MP4 popanda kuwononga mtundu wa kanema?

Ikani fayilo yanu ya AV1 ndipo wosinthira amayendetsa CRF-based re-encode yoyang'anira kutulutsa kwa MP4 (CRF 18 mosalekeza, matanthauzo ochepa = fayilo yayikulu / yapamwamba). Codec imasankhidwa kuti igwirizane ndi MP4 kontena - H.264 kwa MP4 yokhala ndi kukula kwakukulu, H.265 kwa MKV yokhala ndi kukula kwakukulu, VP9 kwa WebM, AV1 kwa ma pipelines atsopano. AV1 ndi codec, si kontena - bitstream nthawi zambiri amayenda m'ma MP4 kapena WebM, kugwirizana ndi Opus kapena AAC audio. Zikuoneka kuti pafupifupi aliyense MP4 m'munda ndi H.264 kanema ndi AAC audio; chidebenso mwalamulo ali HEVC, AV1 ndi VP9.

My AV1 ili ndi maudindo ambiri - kodi onse amapita ku MP4?

Sizotsimikizika. AV1 imasunga ma audio ambiri monga ma tracks achiwiri, koma MP4 kusewera kuthandizira pambuyo pa gawo loyamba ndilopanda malire, kotero ambiri osewera adzawonetsa imodzi. Sankhani gawo lomwe mukufuna poyamba; ena amaphunzitsidwa bwino ku mafayilo awo oyambirira kuposa kuchoka m'chipinda chokhala ndi ma CD omwe amawateteza. AV1 amabweretsa pafupifupi 30% yabwino kusamvana kuposa H.264 pa ubwino wofanana ndi kunyamula palibe ndalama latsopano, chifukwa chake YouTube ndi Netflix kunyamula izo. MP4 amathandiza okha imodzi yotchuka subtitle mtundu (mov_text), ndi multi-traka audio ndi osati olimba m'malo desiki osewera.

Kodi MP4 ndi chonyamula kapena codec, ndipo kodi izi zimasintha zomwe ndimapeza?

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 ndi codec iti ya kanema yomwe MP4 imagwiritsa ntchito?

Izi zimadalira pa MP4 kontena. MP4 defaults kuti H.264 kwa kusewera kwamphamvu kwambiri pafoni, masamba, ndi Smart TVs. MKV defaults kuti H.265 / HEVC kwa pafupifupi theka la kukula kwa fayilo pa quality yofanana. WebM defaults kuti VP9. Zosankha zazikulu zimasonyeza kusankha kodek ngati mukufuna kuchotsa. MP4 ndi ISO / IEC 14496-14, standardized mu 2001 ndi anachokera pamodzi QuickTime katundu layout MOV ntchito.

Kodi nyimbo yanga ya audio idzapulumuka kusinthidwa kwa AV1 kupita ku MP4?

Ndiko. Ngati AV1 ndi MP4 amagwiritsa ntchito codec ya audio (mwachitsanzo, onse amagwiritsa ntchito AAC), audio imasinthidwanso popanda kusinthidwanso - bit-identical. Ngati codecs ndi osiyana, audio imasinthidwanso kukhala AAC / Opus / Vorbis malinga ndi zomwe MP4 zimathandizira. Audio yokhala ndi ma track ambiri (mawu ofotokoza, mabungwe osiyanasiyana) imasungidwa.

Kodi ndingapeze bwanji mitengo yazithunzi yoyamba pamene ndisintha AV1 kupita ku MP4?

Mwa default yeah - 24fps AV1 imakhala 24fps mu MP4; 60fps AV1 imakhala 60fps. Ngati mukufuna kusintha kuchuluka (mwachitsanzo, kulumikizana 29.97 → kupitilira 30, kapena 60 → 30 kwa kutsitsa), kusankha kwa framerate kumatha kuwongolera 3: 2 kutsitsa, kuchotsa, ndi kuphatikizira ma frame mu gawo limodzi lokha la encoding.

Kodi kukula kwa fayilo idzasintha bwanji kuchokera ku AV1 kupita ku MP4?

Kodikodi yofananayo imasintha (AV1 H.264 → MP4 H.264 yomwe isintha kontena): kukula kwake kuli pafupifupi chimodzimodzi. Kusintha kwa codec kungayambitse kusinthika kwambiri: H.264 → H.265 nthawi zambiri kumadula fayiloyo panthawi yomweyo; VP9 ndi yofanana; AV1 imadula 20-30% koma ndi yocheperako.

Kodi fayilo ya MP4 idzasewera pa iPhone, Android, ndi Smart TVs?

MP4 / H.264 imasewera mosalekeza pazogwiritsa ntchito zonse zamakono. MOV / H.264 imasewera pazogwiritsa ntchito za Apple ndi ma TV ambiri koma si nthawi zonse pa Android oyambirira. MKV iyenera VLC pa iOS. WebM ndi msakatuli woyamba. Zosankha zopitilira muyeso zimaphatikizapo "kugwirizana kwa chipangizo" choyamba chomwe chimasankha chotetezeka kwambiri MP4 codec / chidebe chazofunikira zanu. MP4 ndi otetezeka zotheka kutumiza zolinga - aliyense foni, browser, console, wolemba ndi Smart TV anamanga mu zaka zapitazi amasewera izo popanda mapulogalamu atsopano.

Kodi ndi nthawi yayitali bwanji kusinthira kanema wa 1-hour AV1 kuti MP4?

Kusintha kwa codec yomweyo ndi nthawi ya 30 mpaka 60 kwa fayilo ya 1-hour. Kodidi yokhala ndi codec imagwira ntchito panthawi ya 0.3-0.7x yochokera pa GPU yathu, kotero kuti 1-hour AV1 → MP4 imatha m'maola 18-40 malinga ndi resolution ndi codec yoyenera.

Kodi ndi chiyani chokwanira chothandizira kwa AV1 mpaka MP4?

Kufika pa 8K (7680 × 4320) pa maphunziro a Premium. Kusintha kwaulere kumatha ku 4K (3840 × 2160) pogwiritsa ntchito kukula kwa fayilo. HDR metadata (HDR10, HDR10 +, Dolby Vision pamene pali) imatha kuchitika pomwe ma containers a AV1 ndi MP4 amathandizira.

Kodi AV1 kanema wanga ndi wapadera pamene akusintha kukhala MP4?

Yai. Uploaded video owona ndi kuchitidwa mu ogwira ntchito osiyana, nthawi zonse anaona ndi munthu, nthawi zonse indexed, ndi kuchotsa m'maola angapo ya kumaliza. retention zenera ndi zolemba pa / privacy / ndi ife kufalitsa palibe maphunziro corpus kuchokera kutsitsa wosuta.

Kodi ndingagwiritse ntchito, kuchotsa, kapena kuzungulira nthawi ya AV1 kupita ku MP4?

Sichingakhale panjira yomweyo - kugwiritsa ntchito / video-trim / kapena / video-cutter / kuti muchepetse koyamba, kenako kuyendetsa kusinthidwa kwa AV1 → MP4. Kusinthanitsa ndi kusinthidwa ndi kosavuta kuposa kubwezeretsa komaliza kwa AV1 kuti muchepetse zithunzi zosagwiritsa ntchito.

AV1

AV1 ndi mawonekedwe otseguka, opanda malipiro a kanema opangidwa kuti aziyenda bwino pa intaneti. Amapereka mphamvu yopondereza kwambiri popanda kusokoneza mawonekedwe.