M4V → AUDIO

Chinja Yako M4V kuti AUDIO mafaira pasina simba

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Maitiro ekushandura M4V kuti AUDIO

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 AUDIO mafaira

M4V kuti AUDIO Mibvunzo Inowanzo bvunzwa Nezvekuchinja

Ndinogona sei kubvisa chete audio track kubva ku M4V se AUDIO?

Upload the M4V file and the converter demuxes the audio stream from the M4V container, then transcodes it into AUDIO. Video frames are discarded - no second video pass, no quality loss beyond what the AUDIO codec itself introduces. M4V ndiro Apple's chimiro cheMP4, anoshandiswa ne iTunes uye Apple TV app for movies and TV episodes. Audio pano ndeimwe yezvinangwa zvepasirese: mushanduri unotora mashoko uye anotora encoding yakakwana yekutamba.

Kushandura M4V kuenda ku AUDIO ndeimwe yekupedzisira rondedzero yekumanikidza kwekumanikidza?

Yeah, uye zvinokosha kutarisira. Mafomati maviri ari kushaya, saka encoder AUDIO ari kushanda kubva kune audio iyo yaive yapfuura neimwe psychoacoustic pass, uye pfungwa dzayo dzinoumba yekutanga seti. Pa 192 kbps kana kupfuura, iyo mhinduro ichiri yakajeka kune vazhinji vanonzwa. Kana iwe uine master isina kushaya chero kupi, encoding the AUDIO kubva kune iyo inodzivirira double pass zvakakwana. Structurally M4V ndiro MP4 — H.264 kana HEVC neAAC — nesarudzo Apple FairPlay DRM uye iTunes chitsauko metadata. Kuburitsa zvinongoitika ku MP3 pa192 kbps, izvo zvinoonekwa kune zvinhu zvakawanda uye zvinoverengawo nezvose zvinoshandiswa.

Ndinogona here kuisa zita remutambi kana realbum paAUDIO?

Ndinoda, uye ndeimwe yechokwadi kubudirira kupfuura M4V, iyo haina kuchengeta chero chinhu. AUDIO inotakura zita, muimbi, album, gore, nhamba yemugwagwa uye inopinda mufananidzo wechidzitiro mubhokisi, saka library yemutauro inoisa zvakakwana pasina manual pass. Kusarudza chinangwa otomatiki ndeimwe yenzira dzakaomarara kana zvaunoda ndezvekutora mashoko kubva mufayela, pasina kufanira kuita sarudzo dze codec.

Chii chinoitika kune multichannel audio kana uchishandura M4V kuenda ku AUDIO?

Ichi chinovharwa pasi kusvika kustereo, nekuti AUDIO haina multichannel mode. Kuparadzanisa kunoshandisa zviyero zvakajairika kuti chigaro-chigaro chinotaura chigare chakajeka uye zvinonhuwira zvinoparadzanisa pazera rakaderera. Chii zvachose chinodarika kuparadzanisa chigaro chinoiswa chiri kubuda kana ichiitika. Default iri lossy, saka kana chikonzero chaive lossless uye iwe uchida kuchinja kana master, kubvunza WAV kana FLAC zvakajeka.

Nei vamwe ve M4V mafaera angu vasingashanduri?

DRM. Chimwe chikamu che M4V mafaera anovharwa nekutengesa kana software yakaburitsa iwo, uye akavharwa maaudio haagone kugadziriswa neimwe converter. Chii zvaunogona kubvisa iwe pachako, kurekodha, kana kutenga pasina dziviriro inoshandura zvakajairika; chibvumirano chekutenga hachizove. DRM-inodzivirira M4V kutengesa haasi kuchinjaniswa nechimwe chinhu; chete unprotected M4V mafaera vari convertible, uye kwete-Apple vatambi kazhinji vanofanira kuchinja zita rezvirongwa.

Ndeipi nhamba yezwi richabuda kana M4V yangu iine nhamba dzakasiyana?

Zviri pachena kuti 0 ndiyo nhamba yekutanga (iyo yekutanga nhamba yezvinyorwa, iyo inowanzova nechikonzero chekutamba). Kana M4V yako ichitakura mashoko, dubs, kana zvinotaura zvezvinyorwa pane zvimwe zvinyorwa, iyo yakakwira "nhamba yezvinyorwa" yekutora inokutendera kuti utore 1, 2, 3... zvakajeka. Nhamba dzezvinyorwa dzinoratidzwa mukuona kwekutumira kuti urege kusarudza zvakaipa.

Ndeipi bitrate iyo faira AUDIO inoshandisa?

Zviri pachena kuti bitrate yeAUDIO i 192 kbps (inoratidzika zvakanaka kune vamwe vanhu). Dzvanya pa 320 kbps kana uchida kuburitsa zvemabhaisikopo, kana 96-128 kbps kana uchida kuburitsa zvemabhaisikopo/podcast. Zviri pachena kuti faira rakakura rine kukosha kukuru. Zviri pachena kuti zvirongwa zve AUDIO zvisina kukuvadza (WAV, FLAC) hazvisi kutevedzera bitrate uye zvinochengeta zvese zvinongedzo.

Kubva pa M4V kuenda pa AUDIO kunoderedza sei kunaka kwezwi rangu?

Kana AUDIO format iri lossless (WAV, FLAC, ALAC), ese aoriginal samples anochengetwa. Kana AUDIO iri lossy (MP3, AAC, OGG, Opus), codec inodzikisazve — pa 192 kbps kusiyana hakuonekwi kune zvakawanda zvemukati; pa 96 kbps unogona kunzwa cymbals kana sibilants kunonoka. M4V container haina kukonzera izvi — chete codec settings zvinokosha.

Iine AUDIO yakabuda ichiita M4V sampling rate?

Zviri pachena kuti hapana — 48 kHz M4V audio ichange 48 kHz AUDIO, 44.1 kHz ichange 44.1 kHz. Kana iwe uchida kushambadza pasi kuti zvive zvakaenzana (e. g. 96 kHz studio masters to 44.1 kHz CD-quality AUDIO) iyo sample-rate dropdown inoita izvi nemhando yepamusoro yekushambadza.

Ndinogona here kubvisa AUDIO kubva pafolda ye M4V mafaera?

Yeah — bvisa folder ye M4V mafaera mu upload zone uye isu tinotora kubvisa muparallel. Premium inowana akawanda maparallel workers; pa100-file batch (yakajairika music-video collection) iyi ndiyo kusiyana pakati pe90 masekondi ne8 maminitsi.

Ndeipi nguva yekutora AUDIO kubva kuM4V ye1-hour?

Audio demux + transcode inofamba nekukurumidza kupfuura video re-encoding - kazhinji 5-15% yenguva yekuburitsa. 1-hour M4V -> AUDIO inosvika mu 3-9 maminitsi pastandard pipeline. Kana iyo AUDIO codec ichienzaniswa neyakajairika codec yaive mu M4V (inozivikanwa seAAC mukati meMKV / MP4), iyi ndeye remux yakachena uye inofamba mumasekondi.

I AUDIO faira richatakura zita / muimbi / album tags?

Kana iyo M4V faira ichiita metadata yemvura (mutambi, zita, album), isu tinokopa aya marudzi muAUDIO chigaro apo fomati inotsigira mazita. ID3v2 (MP3), Vorbis mashoko (OGG, FLAC), MP4 atoms (AAC / M4A), RIFF INFO (WAV) zvese zvakanyorwa. Untagged M4V inogadzira untagged AUDIO - shandisa Mp3tag kana Picard mushure mekutumira kunze kuti uwane.