MP4 → WebM

Sinthani Yanu MP4 ku WebM mafayilo mosavuta

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Kukweza

Momwe mungasinthire MP4 ku WebM

Gawo 1: Kwezani yanu MP4 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

MP4 ku WebM Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

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

Upload MP4 wanu wapamwamba ndi kuika Quality kwa Quality High mu kusintha options. That re-encodes kanema pa pamwamba kwambiri quality setting (CRF 18 kwa H.264 ndi VP9 zotuluka), yomwe imasunga zambiri za kulipira kwa zikuluzikulu wapamwamba. The default, Balanced, agwiritsa ntchito standard setting. The WebM zotuluka amapereka codec yake chidebe kugwirizana: H.264 kwa MP4, MOV ndi MKV, VP9 kwa WebM. Zikuoneka kuti pafupifupi aliyense MP4 m'munda ndi H.264 kanema ndi AAC audio; chidebenso mwalamulo ali HEVC, AV1 ndi VP9. WebM ndi mwanzeru m'mbali: VP8 kapena VP9 kanema (AV1 zaposachedwapa) ndi Vorbis kapena Opus audio, ndi chilichonse chinachake.

Malinga ndi MP4 ndi WebM ndi ma kontena oyambirira - omwe ndiyenera kusamalira?

Kusunga zomwe zimagwirizana ndi komwe fayilo ikuyenda, chifukwa palibe chomwe chimayenda bwino. Mmodzi mwa iwo awiri amapangidwa kuti azigwirizana ndi kusewera, ndipo wina amapangidwa kuti azisunga zonse zomwe fayilo ingakhale nayo, ndipo amagulitsana motsutsana ndi wina ndi mnzake molingana ndi liwiroli. Funso lothandiza kwa mabuku ambiri ndi kusungira m'mabokosi okhala ndi zinthu zambiri ndipo kutumiza kumodzi wogwirizana ndi zosowa. MP4 ndi otetezeka zotheka kutumiza zolinga - aliyense foni, browser, console, wolemba ndi Smart TV anamanga mu zaka zapitazi amasewera izo popanda mapulogalamu atsopano. 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 codec iti ya kanema yomwe WebM imagwiritsa ntchito?

Izi zimadalira WebM chonyamula. MP4, MOV ndi MKV zotuluka kugwiritsa ntchito H.264, amene amasewera pa pafupifupi aliyense foni, browser ndi TV. WebM zotuluka amagwiritsa ntchito VP9. AVI, WMV ndi MPEG zotuluka kugwiritsa ntchito zaka zambiri codecs amene mtundu anapangidwa kwa. 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 MP4 kupita ku WebM?

Yes, the main audio track comes through, re-encoded to a codec the WebM container plays, for example AAC in MP4 and MOV or Opus in WebM. Most conversions keep only that one track (the one with the most channels), so alternate languages and commentary are dropped. MP4 to MOV, and AVI, WMV, MPEG, FLV, VOB or M4V to MKV, keep every audio track.

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

Ndiko. Mlingo wa frame umasungidwa ngati simusintha: MP4 wa 24 fps umasungidwa ngati 24 fps mu WebM. Mlingo wa Frame umasinthidwa kukhala 60, 30 kapena 24 fps. Amasintha mlingo wa frame okha; sasintha kanemayo kapena kuchotsa 3:2 pulldown.

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

Kutengera pa zimene zimachitika kwa kanema. MKV kuti MP4 kapena MOV ndi default zoikamo amangosindikiza kanema stream unchanged, kotero kukula amakhazikika pafupi ndi bungwe. Ambiri ena awiri re-encode izo: a high-bitrate MP4 nthawi zambiri amatuluka ochepa, pamene kale kwambiri compressed wina angagwiritse ntchito. M'lifupi File pansi Quality amapatsa ochepa zotuluka, ndi H.265 mu Codec kukhazikitsa (MP4, MOV ndi MKV) ndi nthawi zambiri ochepa kuposa H.264 pa quality yofanana koma amasewera pa zipangizo ochepa.

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

MP4 ndi H.264 amasewera pa pafupifupi aliyense foni, msakatuli ndi TV. MOV ndi H.264 amasewera pa Apple zipangizo ndi TV ambiri koma si pa aliyense wachinyamata Android foni. MKV amafuna app monga VLC pa iOS, ndi WebM ndi kunyumba mu msakatuli. Palibe chipangizo preset pa nkhaniyi, choncho kusankha chitukuko format chipangizo chimathandiza. WebM ndi woipa fit kulikonse kunja kwa browser - video olemba, foni's native galleries ndi Smart TVs kwambiri ku ignore izo.

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

Palibe nthawi yokhazikika: izi zimadalira m'lifupi, resolution ndi format wofuna. Kusintha kumayenda pa CPUs ma seva athu ndi mapulogalamu encoders; pali palibe GPU kufulumira. MKV kuti MP4 kapena MOV ndi default kukhazikitsa amakopa kanema mtsinje ndi ndi yosavuta. A re-encode kuti H.264 amatenga nthawi yayitali, ndi WebM (VP9) ndi wotsika kwambiri wofuna, nthawi zambiri mofulumira kuposa H.264 mu ziyesezo zathu.

Kodi ndi chiyani chokwanira chothandizira kwa MP4 mpaka WebM?

Wosinthira samakhala ndi chida chokhacho chosinthira; liwiro ndi kukula kwa kutsitsa komwe kumaloledwa pa ndondomeko yanu, ndipo chisankho chimakhala ngati chili ngati simusankha 1080p, 720p kapena 480p. Palibe HDR kugwiritsira ntchito kapena kujambula kwa tone. Mukatsitsa kanema (MKV kuti MP4 kapena MOV ndi zosankha zoyambirira), HDR10 imapita mosakhudzana. Kusinthanso kumatha kuchotsa HDR10 mastering metadata, ndipo ndi Quality, Resolution kapena Frame Rate kukhazikitsa ena amodzi amachepetsanso kanema ku 8-bit mtundu, kotero HDR MP4 angawoneke kuwala.

Kodi MP4 kanema wanga ndi wapadera pamene akusintha kukhala WebM?

Yes. Uploaded MP4 owona amachitidwa pa zipangizo zathu zosiyanasiyana, palibe munthu kuganizira iwo, ndipo iwo si nthawi zonse anagawana. Upload ndi zosinthidwa WebM onse anataya mwamsanga za 24 maola pambuyo kusintha, zomwe zimasiya nthawi kuti download zotsatira.

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

Si mu gawo limodzi. Pezani /trim-video/ kapena /video-cutter/ kuti muchepetse MP4 koyamba, kapena /rotate-video/ kuti muyike, kenako yambitsani MP4 kuti WebM kusintha. Kudula koyamba ndi kosavuta kuposa kubwezeretsa MP4 zonse kuti muchepetse zithunzi zosagwiritsa ntchito.

N'chifukwa chiyani fayilo ya WebM imawoneka ngati yosawoneka poyerekeza ndi MP4 yochokera?

Mukhozanso kuwonjezera kanema owona kuti kanema owona ndi kusankha kanema owona kuti atembenuke. Mukhozanso kuwonjezera kanema owona kuti kanema owona ndi kusankha kanema owona kuti atembenuke. Mukhozanso kuwonjezera kanema owona kuti kanema owona ndi kusankha kanema owona kuti atembenuke.