AVI → M4V

Sinthani Yanu AVI ku M4V mafayilo mosavuta

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Kusintha owona ufulu, Pro ogwiritsa angakonzekere zambiri zochuluka owona; Kulembetsa Tsopano

Kukweza

Momwe mungasinthire AVI ku M4V

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 M4V mafayilo

AVI ku M4V Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingatani kuti ndibwezeretse AVI ku M4V popanda kuwononga mtundu wa kanema?

Ikani fayilo yanu ya AVI ndipo wosintha amayendetsa CRF-based re-encode yoyang'anira kutulutsa kwa M4V (CRF 18 mosalekeza, matanthauzo ochepa = fayilo yayikulu / yapamwamba). Codec imasankhidwa kuti igwirizane ndi M4V - H.264 kwa MP4 yokhala ndi kutalika, H.265 kwa MKV yokhala ndi kukula, 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. Structurally M4V ndi MP4 - H.264 kapena HEVC ndi AAC - ndi osankhika Apple FairPlay DRM ndi iTunes bokosi metadata.

Mavidiyo anga a AVI amasonyeza ma liwiro a comb pa msewu - kodi izi zidzabweretsa ku M4V?

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 M4V. AVI ndi Microsoft Audio Video Interleave, anayambitsa mu 1992 pamwamba pa RIFF chunk mtundu - imodzi mwa zaka zakale zinyalalabe m'ma circulation.

Zithunzi zanga za AVI zimagawidwa m'magawo owerengeka - kodi M4V 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. M4V salinso ndi malire ofanana, chifukwa chake masamba amatha kuphatikizidwanso mu fayilo imodzi yopitilira. AVI alibe native thandizo kwa codecs zamakono, kusinthasintha frame rate, soft subtitle kapena owona kuposa 4 GB popanda hacks, ndi zake per-chunk overhead bloats fayilo.

Kodi ndingawonjezera ma subtitle osankhika pamene fayilo ndi M4V?

Ndikofunika. AVI ilibe nyimbo yogwiritsa ntchito yopanda malire, chifukwa chake ma subtitle a AVI amayenera kuphulika m'mavidiyo kapena kutumizidwa ngati fayilo ya sidecar yosiyana. M4V amabweretsa ma subtitle monga ma stream awo osankhidwa, chifukwa chake pambuyo posintha mutha kuwonjezera SRT track yomwe woyang'anira angagwiritse ntchito, kuchotsa kapena kubwezeretsa.

Kodi M4V imathandizira masamba olemba omwe AVI sanachite?

Amachita. M4V amasunga masamba monga metadata ya kontena, kotero kuti kujambula kwanthawi yayitali kungagwiritsidwe ntchito pogwiritsa ntchito gawo lomwe limatha kusinthidwa pogwiritsa ntchito bar ya progress. AVI sichingakhalepo kuti ipereke mfundozi, chifukwa chake ngati chiyambi chidatumizidwa ndi mndandanda wa kapitoli, chidapezeka mu fayilo ya sidecar - bweretsani kuti musinthe ndipo chimalemba mu M4V. M4V amasunga Chapter olemba, ntchito zojambulajambula ndi subtitle nyimbo mu mawonekedwe a Apple TV app amayembekezera, amene MP4 mosavuta nthawi zambiri amawononga.

Kodi ndi bwino kusintha zolemba zakale za AVI kuti M4V?

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 M4V pano, pomwe decoder yoyera imakhalabe, ndi kusiyana pakati pa archive yomwe mungatsegule muzaka makumi awiri ndi imodzi yomwe simungathe.

Kodi ndi codec iti ya video yomwe M4V imagwiritsa ntchito?

Izi zimadalira bokosi la M4V. MP4 imasinthidwa ku H.264 kuti ithandizire kusewera kwa mafoni, mawebusayiti ndi Smart TV. MKV imasinthidwa ku H.265 / HEVC kwa pafupifupi theka la kukula kwa fayilo pazomwe zimafanana. WebM imasinthidwa ku VP9. Zosankha zazikulu zimawonetsera kusankhidwa kwa codec ngati mukufuna kuchotsa. M4V ndi mtundu wa Apple wa MP4, ntchito ndi iTunes ndi Apple TV app kwa mafilimu ndi TV ziwonetsero za.

Kodi nyimbo yanga ya audio idzapulumuka ku AVI kupita ku M4V?

Ndiko. Ngati AVI ndi M4V amagawana codec ya audio (mwachitsanzo, onse amagwiritsa ntchito AAC), audio imasinthidwanso popanda kusinthidwanso - bit-identical. Ngati codecs amasiyana, audio imasinthidwa kukhala AAC / Opus / Vorbis malinga ndi zomwe M4V zimathandizira. Audio yokhala ndi ma track ambiri (mawu owonjezera, mabungwe) amasungidwa.

Kodi ndingapeze bwanji chiwonetsero chazithunzi chakale posintha AVI ku M4V?

Mwa default yes - 24fps AVI imakhala 24fps mu M4V; 60fps AVI imakhala 60fps. Ngati mukufuna kusintha mtengo (mwachitsanzo, interlaced 29.97 → progressive 30, kapena 60 → 30 kwa kutsitsa), mfundo ya framerate imayendetsa 3: 2 pulldown, deinterlacing, ndi frame-blending mu gawo limodzi lokha la encoding.

Kodi kukula kwa fayilo isintha bwanji kuchokera ku AVI kupita ku M4V?

Same-codec re-mux (AVI H.264 → M4V H.264 just changing container): nearly identical size. Codec change can swing dramatically: H.264 → H.265 typically halves the file at the same visual quality; VP9 is roughly comparable; AV1 cuts another 20-30% but is slower to encode.

Kodi fayilo ya M4V idzasewera pa iPhone, Android ndi Smart TVs?

MP4 / H.264 imasewera mwachilengedwe pazinthu zonse zamakono. MOV / H.264 imasewera pazinthu za Apple ndi ma TV ambiri koma si nthawi zonse pa Android oyambirira. MKV iyenera VLC pa iOS. WebM ndi browser-first. Zosankha zopitilira muyeso zimaphatikizapo "kugwirizana kwa chipangizo" choyamba chomwe chimasankha chotetezeka M4V codec / chidebe chazolinga zanu. DRM-kuteteza M4V kugula sangakhale anasinthidwa ndi chilichonse; okha unprotected M4V owona ndi convertable, ndi non-Apple osewera nthawi zambiri ayenera kuwonjezeka anasintha dzina.

Kodi ndi nthawi yayitali bwanji kuti musinthe kanema wa 1-hour AVI kuti M4V?

Kusinthanso kwa codec yomweyo ndi nthawi ya 30 mpaka 60 kwa fayilo ya 1-hour. Kodi yokhala ndi codec yokhala ndi codec imagwira ntchito panthawi ya 0.3-0.7x yokhala ndi GPU, kotero 1-hour AVI → M4V imatha m'maola 18-40 malinga ndi resolution ndi codec yofunikira.