M4A → WAV

Guqula Eyakho M4A kuya WAV amafayela kalula

Khetha amafayela akho

noma cindezela bese ususa amafayela akho lapha

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

Ukulayisha

Indlela yokuguqula M4A kuya WAV

Isinyathelo 1: Layisha eyakho M4A 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

M4A kuya WAV Imibuzo Evame Ukubuzwa Yokuguqulwa

Ngiguqula kanjani umsindo M4A ube WAV ngaphandle kokulahlekelwa ukhwalithi?

Layisha phezulu ihele M4A futhi umguquli ukhetha i-WAV codec ne-bitrate ukufana nomsuka. Ukungabi naphutha WAV (WAV / FLAC / ALAC) ugcina yonke isampula nge-bit-identical; ukungabi nalutho WAV (MP3 / AAC / OGG / Opus) kumiswa ku-192 kbps okucacile kuma-earphones amaningi. M4A igcina i-AAC emibonweni eminingi, noma i-Apple Lossless (ALAC) uma ivela ku-lossless rip. WAV igcina ngokuvamile i-PCM engacindezelwanga engaqondakali — yonke isampula igcinwa ngokugcwele, noma yikuphi ububanzi be-bit nesampula yezinga elithathwe.

Ingabe ukushintsha M4A kuya ku WAV kuzothuthukisa ukhwalithi yomsindo?

Akunalutho, futhi kufanelekile ukuba kucace: akukho okuzokwenzeka. I M4A 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. M4A ifihla izinto ezimbili ezihlukile kakhulu emuva kolunye ubanzi - lossy AAC kanye lossless ALAC - futhi hhayi-Apple hardware usizo akulingani.

Ingabe izihloko zengoma yami nesithombe se-albhamu sizohlala isikhathi eside uma ngishintsha M4A kuya ku WAV?

Akulungile. M4A ifaka i-metadata efanele, kodwa WAV ayinaso isikhala esijwayelekile somuntu oculi, i-album, inani le-track noma umhlobiso we-cover, ngakho-ke amathegi asuswa ngaphandle kokulahleka. Gcina i-M4A njengekhophi elabelwe, noma uphinde ubeke i-tag ngemuva ngethuluzi njenge Mp3tag noma MusicBrainz Picard. WAV ikhulu kakhulu — cishe i-10 MB ngemingwane ye-stereo ngekhwalithi ye-CD — futhi ifomu elidala line-4 GB ye-loft futhi akukho indawo ye-tags efanele.

Kungani ezinye ze M4A zefayela lami zingaguqulwa?

DRM. Iqoqo elincane lamafayela M4A libhalwe ngokufihlakele yisitolo noma isofthiwe eyenza, futhi umsindo obhalwe ngokufihlakele awukwazi ukukhishwa yinoma iyiphi i-convertor. Noma yini oyidingayo, orekhodiwe, noma othengiswe ngaphandle kokuvikelwa uguqulwa ngokuvamile; ukuthengiswa kwelayisense akuzokwenza.

Yini i-bitrate ongayisebenzisa ihele elivela ku-WAV?

Iphutha ngu-192 kbps ku WAV olahlekelwayo; ukudluliswa-kwe- WAV okungalahleki. Nciphisa ku-320 kbps ku-audiophile noma ku-96 kbps ku-voice / podcast. Ukhetho lushintsha ubukhulu behele ku-audible fidelity; ngaphansi kuka-96 kbps olahlekelwayo, ama-artefacts abonakala emculo.

Ingabe ukusuka ku M4A kuya ku WAV kuzonciphisa ubunjani bomsindo wami?

Uma M4A ilahlekelwa futhi WAV ayilahleki (isibonelo MP3 → WAV), WAV ayingcono kuna M4A — awukwazi ukubuyisela imininingwane elahlekile. Uma M4A ilahlekelwa futhi WAV ayilahleki, i-WAV codec icindezela futhi; ku-192 kbps imiphumela icacile kunoma iyiphi ingxenye.

Ingabe i-M4A kuya ku-WAV igcina amathegi we-ID3 / metadata?

Yebo — isihloko, umculi, i-album, unyaka, inani lesiqalo, nesithombe se-album zifundwa kusuka ku M4A isitoreji futhi zibhalwe ku WAV isitoreji lapho ifomu lixhasa amathegi. Zonke izimo ezijwayelekile (MP3, AAC, FLAC, OGG) ziphatha amathegi kahle; i-WAV engaqondakali ayisebenzi. WAV Microsoft kanye IBM RIFF-based audio container kusukela 1991, futhi kuyinto cishe wonke audio interface kanye DAW ubhala kwi-record.

Ingabe ngingenza i-batch yokuguqula amahele angama-M4A abe WAV?

Yebo — susa isibaya se M4A amafayela ngaphakathi futhi sizoziphatha ngokufanayo. I-Premium inemisebenzi eminingi efana ne-parallel futhi akukho lutho oluphezulu lwesayizi yefayela ngalinye, ngakho-ke i-500-file batch iphele ngemizuzu endaweni yamahora angama-10.

Ingabe i-WAV izogcina isilinganiso esifanayo sesampula njenge-M4A?

Ngephutha yebo — 48 kHz M4A ihlala 48 kHz ku WAV. Uma ufuna ukusatshalaliswa ngezansi ukuze kusebenze (96 kHz → 44.1 kHz ukushaya i-CD), isinqumo sesampula-sayizi sifaka ukusatshalaliswa okusezingeni eliphezulu kuleyo ngxenye yokungenisa ikhodi.

Ingabe ngizolungisa umsindo uma ngiguqula M4A ku WAV?

Yebo — ukhetho lokujwayelekile-lokujwayelekile lufaka ITU-R BS.1770 / EBU R128 ukujwayelekile ku WAV, lubeka inhloso -14 LUFS (isizinda sokushayela) noma -16 LUFS (isizinda sepodcast). Kuhle uma kuhlanganiswa amabhayisikobho aqeqeshiwe ezingeni ezahlukene.

Ingabe WAV yami izodlala ku-car stereo, iPod, ne-Sonos?

MP3 idlala kuwo wonke amadivayisi. I-AAC idlala ku-Apple, ku-Android, ne-Sonos. I-FLAC idlala ku-Sonos ne-Android kodwa ayikho ku-iPods edlule. I-WAV idlala kuwo wonke amadivayisi kodwa inamandla amakhulu. Imenyu yokudonsa yedivayisi ethuthukisiwe ikhetha i-WAV codec elungele i-hardware yakho efanele.

Ingabe ihele lami M4A liyimfihlo ngesikhathi sokuguqulwa ku WAV?

Yebo — amafayela alayishwe phezulu M4A aqhubekelwa phambili emisebenzini ehlukanisiwe futhi acishwe ngaphakathi kwemizuzu. Asikwazi ukudlala emuva, ukugcina isikhathi eside, noma ukuhlanganisa okuqukethwe kwesandi. Ifasitela lokugcinwa okuphelele likhona ku /privacy/.

M4A

I-M4A ifomethi yefayela lomsindo ehlobene eduze ne-MP4. Inikeza ukucindezelwa komsindo kwekhwalithi ephezulu ngokusekelwa kwemethadatha, okuyenza ifanelekele izinhlelo zokusebenza ezihlukahlukene.