MP4 → AVI

Sinthani Yanu MP4 ku AVI mafayilo mosavuta

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Kukweza

Momwe mungasinthire MP4 ku AVI

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 AVI mafayilo

MP4 ku AVI Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji MP4 ku AVI popanda kuwonongeka kwabwino?

Ikani fayilo yanu ya MP4 ndipo wosintha amagwiritsa ntchito CRF-based re-encode yoyang'anira kutulutsa kwa AVI (CRF 18 kwa H.264 / H.265, CRF 30 kwa VP9 / AV1 ndi zofanana). WebM imagwiritsa ntchito VP9; MP4 imagwiritsa ntchito H.264 kuti ithandizire kusewera.

Kodi kodiketi iti yomwe AVI imagwiritsa ntchito mwalamulo?

Codec imatsatira katundu wa AVI. AVI = WebM imasankha VP9 (kapena AV1 ngati mwasankha ~30% ya mafayilo ang'onoang'ono); AVI = MP4 imasankha H.264; AVI = MKV imasankha H.265. Zosankha zowonjezera zimakulola kuti musinthe codec mosiyana ndi katundu.

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

Ndiyo — mawu amasinthidwanso pamene maziko ndi malo osankhidwa amagwiritsa ntchito codec (mwachitsanzo, AAC m'ma MP4 ndi MKV) kapena amasinthidwanso kukhala codec yogwirizana ndi AVI-container (Opus / Vorbis m'ma WebM, AAC m'ma MP4). Mauthenga ambiri amasungidwa pamene AVI amathandizira.

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

Mwa default, mitengo ya frame siyisintha (MP4 24 fps imakhala 24 fps mu AVI; 60 fps imakhala 60 fps). Kwa masamba ophatikizidwa timachotsa mitengo yophatikizidwa ndi kusankha mitengo yowonjezereka; mungathe kuletsa mitengo yophatikizidwa yosankhidwa (mwachitsanzo, 30 fps kwa masamba ophatikizidwa) m'masankho osinthika.

Kodi pali kusinthana kwa kukula kwa fayilo pakati pa MP4 ndi AVI?

Kodico re-muxes (mwachitsanzo MP4 → AVI komwe onse angagwiritse ntchito H.264) amapanga kukula kwakukulu. Zosintha za Codec zingathe kusinthidwa mosayembekezereka: H.264 → VP9 / AV1 zimadula fayilo ya 30-50% pazomwe zilipo; H.264 → H.265 imathamanga; VP9 → H.264 imakula.

Kodi fayilo ya AVI idzasewera pazosakatula ndi pa zida za m'manja?

WebM (VP9 / VP8) amasewera mwachilengedwe mu Chrome, Firefox, Edge, ndi Safari 14 +. MP4 / H.264 amasewera kulikonse - masamba a desktop, iOS, Android, Smart TV. MKV amafuna VLC pa iOS.

Kodi ndi nthawi yayitali bwanji kuti musinthe fayilo ya 1-hour MP4 kuti AVI?

Kodi yamtunduwu: pansi pa mphindi (sinali kulowanso). Kodi yamtundu wina: nthawi zambiri 0.3-0.7 × nthawi yoyambira pa chingwe chathu, choncho 1-hour MP4 → AVI imatha m'maola 18-40. AV1 ndi yofulumira kwambiri; VP9 ndi H.265 ndi pakati; H.264 ndi yofulumira kwambiri.

Kodi ndi chiyani chokwanira chothandizira kwa MP4 mpaka AVI?

Kufika pa 8K (7680 × 4320) pa Premium. Ogwiritsa ntchito aulere ali ndi 4K (3840 × 2160) pamalingaliro a fayilo. Metadata ya HDR (HDR10, Dolby Vision) imasungidwa pomwe MP4 ndi AVI zinyalala zimathandizira; kujambula kwa tone ku SDR kumaperekedwa pamene AVI sikungatenge HDR.

Kodi MP4 kanema wanga ndi wapadera pamene akukonzekera?

Ndikoyenera – mavidiyo omwe amatulutsidwa amathetsedwa m’maola ochepa pambuyo pa kumaliza. Tisamawone, sitisunga, sitisunga kapena sitigawana zinthu.

Kodi ndingagwiritse ntchito kapena kuchotsa nthawi ya MP4 kupita ku AVI?

Sichingakhale panthawi yomweyo - kugwiritsa ntchito / trim-video / kapena / resize-video / kuti muchepetse ndi kuchotsa MP4 koyamba, kenako kutsatira njira ya MP4 → AVI. Kuchita nawo m'magulu ndi kosavuta kuposa kubwezeretsa fayilo yonse kuti muchepetse masekondi.

N'chifukwa chiyani fayilo ya AVI ndi yosawoneka bwino kapena yosawoneka bwino poyerekeza ndi MP4 yochokera?

Kusintha kwa bitrate yayikulu MP4 kukhala bitrate yayikulu AVI pa CRF yosinthidwa imachepetsa kwambiri pazithunzi zosagwira ntchito. Sungani CRF ku 16-18 (H.264) kapena 24-28 (VP9 / AV1) kapena khazikitsani bitrate yofunikira yofunikira ndikuchitanso kuti mubwezeretse mtundu.

Kodi wosintha MP4 kupita ku AVI amathandizira ma subtitle?

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