M4V → MP4

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Maitiro ekushandura M4V kuti MP4

Danho 1: Isa yako M4V mafaira uchishandisa bhatani riri pamusoro kana nekudhonza nekudonhedza.

Danho rechipiri: Dzvanya bhatani rekuti 'Convert' kuti utange kushandura.

Danho rechitatu: Dhawunirodha yako yakashandurwa MP4 mafaira

M4V kuti MP4 Mibvunzo Inowanzo bvunzwa Nezvekuchinja

Ndinogona sei kushandura M4V kuenda ku MP4 pasina kudzokorora kurodha pasi kwevhidhiyo?

Kana M4V uye MP4 zvidimbu zviviri zvinogona kutakura iyo imwechete codec (H.264, H.265, VP9, AV1), mushanduri unodzokera ku remux: zvidimbu zvidiki zvinokodzera byte-by-byte mu MP4 chidimbu uye chete wrapper ichange. Remux ye1 GB M4V mu MP4 inotanga mu 5-15 masekondi ne zero kuora kwemhando. Structurally M4V ndiro MP4 — H.264 kana HEVC neAAC — nesarudzo Apple FairPlay DRM uye iTunes chitsauko metadata. Anenge ese MP4 muzvisikwa ndeH.264 video neAAC audio; chidimbu chinochengetawo HEVC, AV1 neVP9.

Chii chinonzi M4V? Chii chinonzi MP4?

Yeah, uye ndiyo nhanho yakanyanya. M4V uye MP4 vanobatana neimwe yeiyo yakadzika yekuchengetera nharaunda, saka mavhidhiyo uye maaudio ma streams akakopwa kuburikidza nebyte-by-byte uye chete mudziyo wemudziyo unonyorwazve. Hapana chinhu chinodecoding uye hapana chinhu chinodzokororwa, saka faira refeature-length rinopera pasi peminitsi kwete hafu yeawa, nemhando yezvakagadzirwa zvakafanana nechigadzirwa. M4V ndiro Apple's chimiro cheMP4, anoshandiswa ne iTunes uye Apple TV app for movies and TV episodes. MP4 ndiro ISO / IEC 14496-14, standardized muna 2001 uye yakagadzirwa kubva pamwechete QuickTime box layout MOV shandisa.

My M4V ine akawanda maaudio tracks - ivo vese vanorarama mu MP4?

Hapana kuvimbika. M4V inochengeta akawanda audio mapurojekiti sekutanga-class tracks, asi MP4 kutamba rutsigiro mushure mekutanga track haina kuenderana, saka vazhinji vatambi vacharatidza chete mumwe. Choose the track you actually want before converting; the others are better extracted to their own files than left in a container that hides them. M4V inoita kuti nyaya irambe ichiratidza zviratidzo, mavara uye zvinyorwa zvemazita mumhando yeApple TV app inotarisira, iyo MP4 inowanzo shaya. MP4 chete anotsigira imwe zvakaoma-honorable subtitle format (mov_text), uye multi-track audio haasi kuvimbika kunze desktop vatambi.

Nei yangu M4V faira ichikundikana kushandura kuita MP4?

Zviri pachena kuti DRM. Zvimwe M4V mafaera anovharwa pabitstream level nekutengesa kana software iyo yakaburitsa iwo, uye yakavharwa mvura haigone kugadziriswa nedu kana nechinhu chero chipi zvacho pasina chiratidzo chelicensing. Mafaira aunenge wanyora, wakatumira kunze kana wakarodha pasi zvisingadzivirirwe zvinoshandura zvakajairika; chibvumirano chekutenga chisiri, uye hapana mushanduri anogona kuvimbisa zvakasiyana. DRM-inodzivirira M4V kutengesa haasi kuchinjaniswa nechimwe chinhu; chete unprotected M4V mafaera vari convertible, uye kwete-Apple vatambi kazhinji vanofanira kuchinja zita rezvirongwa.

Chii chinonzi MP4 chinotamba mubrowser kana M4V hachiite?

A M4V yakaiswa muwebhu peji inoratidzwa neakavharwa mutambi kana kumanikidza kurodha pasi, nekuti mabrowser haasi kutumira chero decoder. MP4 anotamba munzira kuburikidza neiyo yakasarudzika HTML5 video element pasina plugin uye pasina kunze kweapplication. MP4 ndiyo yakachengeteka kwazvo yekutumira chinangwa - chero foni, browser, console, munyori uye Smart TV yakagadzirwa mumakore apfuura inotamba pasina software.

Inogona sei multi-track audio kuchinja kubva ku M4V kuenda ku MP4?

Yeah — chero audio track mu M4V (munyori wemashoko, dzimwe rurimi, descriptive audio) inochengetwa mu MP4 kana chinangwa chemudziyo chinotsigira multi-stream audio. MKV neMOV zvinodzora maaudio tracks asina muganho; MP4 inotsigira akawanda asi mamwe mahardware maplayers anoona chete track 1; WebM inorambidzwa kune imwe Opus / Vorbis track.

Ndezvipi zvinyorwa zvemazita ezvinyorwa zvinochengetwa kana uchishandura M4V kuenda ku MP4?

Soft subtitle (zvinhu zvinosarudzwa) zvinorarama kana MP4 zvichigona kutakura iwo: MKV ine SRT, ASS, SSA, PGS, VobSub zvakananga; MP4 ine mov_text chete (yakavharwa fomati). Kushandura MKV ine ASS subs kune MP4 kunoita kuti zvive mov_text kana kuisa iwo. Hardsubs (yakavharwa muvhidhiyo) inoramba ichienda.

M4V kusvika ku MP4 inochengeta mapepa emabhuku / DVD-style navigation?

Chitsauko che metadata chinoshandura pakati pe M4V ne MP4 kana zvese zviwanikwa zvichitsigira chitsauko che atom (MKV, MP4, MOV). WebM inochengeta chitsauko muMatroska-inowirirana block, saka MKV <-> WebM chitsauko chinofamba-famba zvakanaka. AVI haina chitsauko che spec, saka kushandura AVI kuenda ku MP4 kunogadzira faira risina chitsauko kana iwe usingawedzera mamarkers nemwoyo wako.

Chii nezve MKV zvinyorwa zvakaiswa (fonti, kuvhura) kana uchienda kubva ku M4V kuenda ku MP4?

MKV ndiyo chete mainstream container iyo inochengeta zvakananga zvakaiswa mafaera (TTF fonts ye ASS subs, JPG cover art, fan-translated PDF inserts). Kubva ku M4V kuenda ku MP4 kunobvisa izvi zvakaiswa kana MP4 hachisi MKV — elementary streams inoshandura, asi zvakaiswa payload zvinogara munzvimbo yekubva. Tenga M4V se backup kana iwe uchida kuvimba nezvinyorwa zvakaiswa.

Ndeipi codec iyo MP4 output inoshandisa seyakajairika?

Default codec inosarudza kusangana neMP4 container zvakachengeteka: MKV defaults kune H.265 (HEVC) kune yakanakisa kumanikidza; MP4 defaults kune H.264 kune yakakura kwazvo chikuva rutsigiro; WebM defaults kune VP9; AVI inoshandisa MPEG-4 ASP (DivX / Xvid lineage). Kubvisa kuburikidza neyakakwira codec dropdown — AV1 iripo ye MKV / WebM uko iwe uchida kumanikidza kwepamusoro uye unogona kumirira nekunyora.

HDR (HDR10, Dolby Vision) inorarama sei kubva pa M4V kusvika pa MP4?

HDR static metadata (HDR10 mastering kuratidzwa mitengo, max content light level) inoenda kusvika ku MP4 kana zvese zvidimbu uye yakasarudzwa codec ichiita (HEVC, AV1 mu MKV / MP4). Dolby Vision isiri nyore - DV profile 5 / 7 / 8.1 mu M4V inoramba ichirarama chete mu MKV neHEVC; kushandura kune MP4 chidimbu chisina kutakura DV layer inoparadza HDR10.

Inogona sei iyo M4V kusvika ku MP4 converter kuchengetedza yakajairika framerate (VFR)?

MKV neWebM anonyora mazita enguva enguva uye anodzora VFR zvakananga, saka M4V VFR inorarama mu MP4 eaya mafomati pasina kudzokorora. MP4 inochengeta mazita enguvawo asi vamwe vatambi vanofunga CFR; mushanduri unopa "force CFR" toggle iyo inodzokorora VFR M4V kusvika 24 / 30 / 60 fps MP4 kune zvinonetsa zvinangwa.