AVI → WebM

Sinthani Yanu AVI ku WebM mafayilo mosavuta

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Kukweza

Momwe mungasinthire AVI ku WebM

Gawo 1: Kwezani yanu AVI 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 WebM mafayilo

AVI ku WebM Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji AVI kupita ku WebM popanda kuwononga mtundu wa kanema?

Ikani fayilo yanu ya AVI ndipo wosinthira amayendetsa CRF-based re-encode yoyang'anira kutulutsa kwa WebM (CRF 18 mosalekeza, matanthauzo ochepa = fayilo yayikulu / yapamwamba). Codec imasankhidwa kuti igwirizane ndi WebM 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. AVI owona anayamba m'mbuyomo m'ma codecs m'madera: kuyembekezera MPEG-4 gawo 2 (DivX / Xvid), Motion JPEG kapena raw uncompressed mafano osati H.264. WebM ndi mwanzeru m'mbali: VP8 kapena VP9 kanema (AV1 zaposachedwapa) ndi Vorbis kapena Opus audio, ndi chilichonse chinachake.

Mavidiyo anga a AVI amasonyeza ma liwiro a comb pa msewu - kodi izi zidzabweretsa ku WebM?

Idzachitika ngati simukusintha, ndipo AVI zolemba nthawi zambiri zimasinthidwa chifukwa mtunduwo umachokera kunthawi ya mafilimu ndi DVD. Ma frame ophatikizidwa amasunga madera awiri apakati omwe amatenga masentimita asanu ndi awiri; pafoni kapena monitor ya progressive-scan yomwe imawerenga ngati chotchinga chozungulira pa chilichonse chomwe chimayenda. Ikani njira yosinthira ndipo encoder imapanga madera onse m'ma frame opitilira muyeso pambuyo polemba WebM. AVI ndi Microsoft Audio Video Interleave, anayambitsa mu 1992 pamwamba pa RIFF chunk mtundu - imodzi mwa zaka zakale zinyalalabe m'madera.

Zithunzi zanga za AVI zimagawidwa m'magawo owerengeka - kodi WebM ali ndi malire ofanana?

Sichoncho, ndipo ndi imodzi mwazinthu zabwino kwambiri zosamukira. Konteni ya AVI ili ndi bokosi lokha lokha lomwe limatha kuyendetsa mavidiyo ochepa kapena otsika kwambiri, chifukwa chake makamera oyambirira amafika ngati part1, part2, part3. WebM salinso ndi malire ofanana, chifukwa chake masamba amatha kuphatikizidwanso m'fayilo imodzi yopitilira. AVI alibe native thandizo kwa codecs zamakono, kusinthasintha framerate, softsubs kapena owona kuposa 4 GB popanda hacks, ndi zake per-chunk overhead bloats fayilo.

Kodi ndingawonjezera ma subtitle osankhika pamene fayilo ndi WebM?

Ndikofunika. AVI ilibe nyimbo yogwiritsa ntchito zolemba zolimba, chifukwa chake ma subtitle a AVI amayenera kuphulika m'mavidiyo kapena kutumizidwa ngati fayilo ya sidecar yosiyana. WebM amabweretsa ma subtitle monga ma stream awo osankhidwa, kotero pambuyo posintha mutha kuwonjezera SRT track yomwe woyang'anira angagwiritse ntchito, kuchotsa kapena kubwezeretsa.

My AVI ili ndi maudindo ambiri - kodi onse amapita ku WebM?

Sizotsimikizika. AVI imasunga ma audio ambiri monga ma tracks achiwiri, koma WebM 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. AVI ndi trivially yosavuta, amene ndi chifukwa chake kale camcorders, kusonkhana kagawo, DVD ripping zipangizo ndi Windows-era mapulogalamu onsebebe kutulutsa izo. WebM ndi woipa fit kulikonse kunja kwa browser - video olemba, foni's native galleries ndi Smart TVs kwambiri ku ignore izo.

Kodi WebM idzasewera mu browser pamene AVI siyidzachita?

Ndikofunika, ndipo nthawi zambiri ndichifukwa cha kusintha. A AVI wophatikizidwa mu tsamba la webusaiti amasonyeza wosewera wowonongeka kapena kutsitsa, chifukwa masamba a browsers samapereka decoder kwa iye. WebM amasewera m'masamba mwanjira ya HTML5 video element popanda plugin ndi pulogalamu yakunja. WebM amasewera natively mu aliyense wamakono browser ndi palibe plugin, palibe chilolezo ndalama ndi palibe patent kuwonekera, zomwe zimapangitsa kuti default kwa web-embedded kanema.

Kodi ndi bwino kusintha zolemba zakale za AVI kuti WebM?

Kwa chilichonse chomwe mukufuna kusungira, yeah. AVI ili ndi zaka zakale za video zopanga ndi mapulogalamu omwe amawerenga kuti amawoneka mofulumira kuchokera pafoni, mabrowser ndi maoperating system. Kusintha zithunzi ku WebM pano, pomwe decoder yoyera imakhalabe, ndi kusiyana pakati pa archive yomwe mungatsegule muzaka makumi awiri ndi imodzi yomwe simungathe.

Kodi ndi codec iti ya kanema yomwe WebM imagwiritsa ntchito?

Izi zimadalira pa WebM 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. WebM ndi chigawo cholimba cha Matroska chomwe Google chidatulutsa mu 2010 pofuna kupatsa HTML5 kanema chidebe chopanda royalty.

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

Ndiko. Ngati AVI ndi WebM 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 WebM zimathandizira. Audio yokhala ndi ma track ambiri (mawu ofotokoza, mabungwe osiyanasiyana) imasungidwa.

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

Mwa default yeah - 24fps AVI imakhala 24fps mu WebM; 60fps AVI 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 AVI kupita ku WebM?

Kodikodi yofananayo imasintha (AVI H.264 → WebM 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 WebM 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 WebM codec / chidebe chazofunikira zanu.