MP4 → WAV

Guqula Eyakho MP4 kuya WAV amafayela kalula

Khetha amafayela akho

noma cindezela bese ususa amafayela akho lapha

I-Free Plan: 1 Ukushintsha/ihora · Iya ngaphandle komkhawulo →

Guqula amafayela afinyelela ku-1 GB mahhala, abasebenzisi be-Pro bangaguqula amafayela afinyelela ku-100 GB; Bhalisa manje

Ukulayisha

Indlela yokuguqula MP4 kuya WAV

Isinyathelo 1: Layisha eyakho MP4 amafayela usebenzisa inkinobho engenhla noma ngokuhudula bese uphonsa.

Isinyathelo 2: Chofoza inkinobho ethi 'Guqula' ukuze uqale ukuguqulwa.

Isinyathelo 3: Landa i-version yakho WAV amafayela

MP4 kuya WAV Imibuzo Evame Ukubuzwa Yokuguqulwa

Ngiyikhipha kanjani umsindo kusuka kuhele lami MP4 njenge WAV?

Layisha phezulu ihele MP4 futhi umguquli u-demuxes umsindo, bese uguqula ikhodi liyi WAV. Akukho sinqumo sevidiyo sesibili - umsindo obonakalayo ususwa ngokushesha ngakho ukukhishwa kusheshe kakhulu kunalokho okuphelele kokuphinde ukhodwe. MP4 yi ISO/IEC 14496-14, ejwayelekile ngo-2001 futhi ivela ku-QuickTime box layout MOV isebenzisa. WAV Microsoft kanye IBM RIFF-based audio container kusukela 1991, futhi kuyinto cishe wonke audio interface kanye DAW ubhala kwi-record.

Ingabe ukushintsha MP4 kuya ku WAV kuzothuthukisa ukhwalithi yomsindo?

Akunalutho, futhi kufanelekile ukuba kucace: akukho okuzokwenzeka. I MP4 idlulele i-detail ngesikhathi sokuqothula kwayo okujwayelekile, futhi ukubopha okushiwo ku WAV ongeke ulahlekelwa yilutho kugcina lokho - akukho okuningi. Ihele lithola izikhathi eziningi ezikhulu futhi lizwakala lifana. Kukhona ukunyakaza okulungile ngaphambi kokuhlela, ngoba WAV ngeke ihlanganise isizukulwane sesithathu sezinto ezibonakalayo uma ukhipha. WAV iyifomethi efanele yokuhlela, ukuphatha nokulondoloza, ngoba ingaphinde ikhodwe noma yikuphi inani lamahora ngaphandle kokuqoqa ama-artefacts. I-MP4 isekela kuphela ifomu elilodwa lesihloko esihlonishwa kakhulu (mov_text), futhi umsindo we-multi-track awuthembeki ngaphandle kwama-players wedesktop.

Yini i-bitrate yomsindo osetshenziswa yi-WAV ekhishwayo?

Izinga lokungena elijwayelekile le-lossy WAV yi-192 kbps, elicacile kumculo. Ungayisusa ku-320 kbps (audiophile) noma 96-128 kbps (ubizo / podcast / ifayela elincane). Izinga lokungena eliphansi livela ezinketho eziphezulu ngaphambi kokuba ucofe uguqule.

Ingabe ngizolahlekelwa ukhwalithi yomsindo uma ngisuka ku MP4 kuya ku WAV?

Uma WAV ingekho emdlalweni (WAV, FLAC), yonke imibiko igcinwa ngokugcwele. Uma WAV ingekho emdlalweni (MP3, AAC, OGG, Opus), i WAV codec icindezela kabusha umsuka womsindo — ku-192 kbps imiphumela icacile kuzo zonke izithako. Ukuya nge-lossy → akukho emdlalweni akusho ukubuyisela imininingwane ekhishwe. WAV igcina ngokuvamile i-PCM engacindezelwanga engaqondakali — yonke isampula igcinwa ngokugcwele, noma yikuphi ububanzi be-bit nesampula yezinga elithathwe.

Ingabe i-WAV yomsindo igcina isilinganiso sosampula sangaphambilini?

Ngokungajwayelekile yebo — umsindo we-48 kHz ku MP4 wakho uhlala u-48 kHz ku-WAV kuphuma. Ukukhuphula i-CD noma ukuhambisana nomdlali odala ungakhuphula isampula ku-44.1 kHz ngesampula-rate dropdown; isampula ephindayo isezingeni eliphakeme le-SoX.

Ingabe ngingakwazi ukukhishwa umsindo kusuka kuhele MP4 ku WAV ngeqembu elilodwa?

Yebo — susa ifolda ye MP4 amafayela futhi sizokhipha umsindo ngokuhambisana. Abasebenzisi bepremium bathola abasebenza ngokuhambisana; kuhele olungu-50 lohlelo lokhu kuyinto ehlukile phakathi kwemizuzu emihlanu nemizuzu eyisithupha.

Ingabe i-WAV izophawulwa ngesihloko / umculi / i-album metadata?

Uma i MP4 ithatha isiqephu noma i-metadata yokuhamba, sikopa isihloko / umculi / ama-album ama-fields ngaphakathi kwe WAV ibhokisi. Uma kungenjalo, i WAV iphuma ingaphawuliwe - sebenzisa umhleli wesihloko (Mp3tag, Picard) ngemuva kokuthumela ngaphandle ukuphawula okunethezeka.

Ingabe kuthatha isikhathi esingakanani ukukhishwa kwe-WAV umsindo kusuka ku-MP4 ohora elilodwa?

Umsindo demux + ukukopela kushesha — 5 kuya ku-15% wesikhathi somthombo. Ihora le-1 MP4 → WAV liphele ngo-3 kuya ku-9 imizuzu ku-pipeline ejwayelekile; i-premium parallelism isusa lokhu ngaphezu kwemisebenzi yeqembu.

Ingabe ngizokhipha kuphela isigaba se-MP4 somsindo njenge-WAV?

Akukho kulolu thuluzi ngokuqondile — khipha umsindo wonke njenge WAV, bese usebenzisa /audio-trim/ noma /audio-cutter/ ukucisha inhlanganisela. Indlela yezinhlangothi ezimbili ivame ukukhawulela kunemisebenzi ehlangene futhi ikunikeza ukulawula okucacile kwe-waveform-level.

Ingabe ihele lami MP4 liyimfihlo ngesikhathi sokukhipha umsindo?

Yebo - imodeli yobumfihlo efanayo njengezo zonke iziguquko: abasebenza ngokuzimela, akukho ukuhlolwa komuntu, ukususwa okuzenzakalelayo ngaphakathi kwemizuzu yokuqedela. Ifasitela lokugcina eliphelele litholakala ku /privacy/.

Kungani ihele WAV linezithuba ezingenalutho lapho i MP4 ikhona umsindo?

Kuyinto evamile ukukhethwa kwe-stream engalungile: MP4 inezinhlamvu zomsindo eziningi futhi i-demuxer ikhetha inhlamvu engenalutho noma esizakayo. Sebenzisa isikhethi esithuthukisiwe "i-stream yomsindo" ukukhetha inhlamvu 0, 1, 2 ngokucacile, noma ubeke i WAV ibhokisi elixhasa i-multi-track output (FLAC, OGG).

Ingabe ngigcina WAV njenge-stereo, mono, noma 5.1 surround?

Uhlelo lwesixhumi lugcinwa kusuka ku MP4 ngokuzenzakalela — 5.1 MP4 lukhiqiza 5.1 WAV uma i-WAV codec isekela lokhu (AAC, FLAC, OGG, Opus). Ukhetho lokuxuba ngezansi lufaka i-stereo noma i-mono — lusetshenziswa kumapodcast asebenza khona lapho amabhayisikobho ajikelezayo elahlekile i-bitrate.