MPG → M4V

Sinthani Yanu MPG ku M4V mafayilo mosavuta

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Kukweza

Momwe mungasinthire MPG ku M4V

Gawo 1: Kwezani yanu MPG 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

MPG ku M4V Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji MPG kupita ku M4V popanda kubwezeretsa kanema wa kanema?

Ngati ma kontena a MPG ndi M4V angagwiritse ntchito codec yomweyo (H.264, H.265, VP9, AV1), wosintha amabwerera ku remuxer: ma streams oyamba amakopedwa ndi byte-by-byte ku M4V kontena ndipo amasintha kokha. Remux ya 1 GB MPG ku M4V nthawi zambiri imatha m'masekondi a 5-15 ndi kuwonongeka kwabwino. Zina mwa zinthuzi ndi MPEG-1 kapena MPEG-2 kanema ndi MP2 audio; muxing ndi GOP chilengedwe ndi ofanana ndi.mpeg fayilo. Structurally M4V ndi MP4 - H.264 kapena HEVC ndi AAC - ndi osankhika Apple FairPlay DRM ndi iTunes bokosi metadata.

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

Idzachitika ngati simukusintha, ndipo MPG 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. MPG ndi chimodzimodzi MPEG pulogalamu mtsinje monga.mpeg - atatu-alemba kuwonjezeka ndi DOS-era kugwa, si mtundu wina.

Kodi ndingawonjezera ma subtitle osankhika pamene fayilo ndi M4V?

Ndikofunika. MPG ilibe nyimbo yogwiritsa ntchito yopanda malire, chifukwa chake ma subtitle a MPG 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 MPG 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. MPG 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 MPG kuti M4V?

Kwa chilichonse chomwe mukufuna kusungira, yeah. MPG 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. MPG amalandira zonse MPEG-2 kuletsa - heavy bitrate, interlacing, palibe soft subtitle - kuphatikizapo kusokonezeka kwa awiri zowonjezera kwa mtundu wina.

Kodi ma audio ambiri adzapulumuka kusinthidwa kwa MPG kupita ku M4V?

Ndikoyenera - zonse zolemba za audio mu MPG (kuwunika kwa woyang'anira, mabungwe osiyanasiyana, mawu ofotokoza) amasungidwa mu M4V pamene chikwama chofunikira chimathandizira ma audio ambiri. MKV ndi MOV amayendetsa ma audio osatha; MP4 amathandizira ambiri koma ena osewera a hardware amawona kokha track 1; WebM imatha pa Opus / Vorbis track. M4V ndi mtundu wa Apple wa MP4, ntchito ndi iTunes ndi Apple TV app kwa mafilimu ndi TV ziwonetsero za.

Kodi ma subtitle amasunga zosunga pamene MPG amasinthidwa kuti M4V?

Ma subtitle olimba (ma tracks osankhika) amapulumuka pamene M4V angawagwiritse ntchito: MKV amagwiritsa ntchito SRT, ASS, SSA, PGS, VobSub mwachilengedwe; MP4 amagwiritsa ntchito mov_text (format yosasinthasintha). Kusintha MKV ndi subs a ASS ku MP4 kumawawononga kuti akhale mov_text kapena kuwalemba. Hardsubs (olembana mu kanema) amagwiritsa ntchito ngakhale.

Kodi MPG mpaka M4V amasunga masamba olemba / kuyendera kwa DVD?

Metadata ya bokosi limasintha pakati pa MPG ndi M4V pamenepo onse awiri amapereka bokosi la atomu (MKV, MP4, MOV). WebM imasunga bokosi m'ma block ogwirizana ndi Matroska, choncho MKV <-> WebM bokosi limayenda molimba. AVI sichimakhala ndi bokosi la spec, choncho kusintha kwa AVI ku M4V kumabweretsa fayilo yosasinthika ngati simuwonjezera ma markers m'manja.

Kodi ndi chiyani za MKV zowonjezera (fonti, kusindikiza) pamene mukupita MPG ku M4V?

MKV ndi yokha mainstream yokhala ndi ma fayilo ophatikizidwa (TTF fonts for ASS subs, JPG cover art, fan-translated PDF inserts). Kuchokera ku MPG kupita ku M4V kumachotsa ma attachments pamene M4V si MKV - ma streams elementary amasinthidwa, koma payload ophatikizidwa amakhala m'malo ochokera. Tengani MPG ngati chitetezo ngati mumatengera ma fonts ophatikizidwa.

Kodi codec yomwe M4V imagwiritsa ntchito ndi yosasinthika?

Kodiyi ya default imasankhidwa kuti igwirizane ndi M4V yokhala ndi katundu: MKV imasinthidwa kukhala H.265 (HEVC) kuti ikhale yolimba kwambiri; MP4 imasinthidwa kukhala H.264 kuti ikhale yolimba kwambiri; WebM imasinthidwa kukhala VP9; AVI imagwiritsa ntchito MPEG-4 ASP (DivX / Xvid linage). 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 HDR (HDR10, Dolby Vision) imatha bwanji MPG mpaka M4V?

HDR static metadata (HDR10 mastering display values, max content light level) imatha kupita ku M4V pamene ma kontena awiri ndi codec osankhidwa amathandizira (HEVC, AV1 mu MKV / MP4). Dolby Vision ndi wolimba kwambiri - DV profile 5 / 7 / 8.1 mu MPG nthawi zambiri amapulumuka okha ku MKV ndi HEVC; kusinthidwa ku M4V kontena lomwe silitha kunyamula gawo la DV limatha ku HDR10.

Kodi wosinthira MPG mpaka M4V adzasunga kusinthasintha kwa framerate (VFR)?

MKV ndi WebM amalemba ma timestamps a real-frame ndi kuwongolera VFR mwanjira yachibadwa, kotero kuti MPG VFR imatha kukhala ndi M4V ya mafomuwa popanda kubwezeretsa. MP4 imasunga nthawi yowonjezerapo koma ena osewera amaganiza kuti CFR; wosintha amatulutsa "kulepheretsa CFR" kuti abwezeretse VFR MPG ku 24 / 30 / 60 fps M4V kwa zolinga zosatheka.