MP3 M4A

Guqula Eyakho MP3 kuya M4A amafayela kalula

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

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Indlela yokuguqula MP3 kuya M4A

Isinyathelo 1: Layisha eyakho MP3 amafayela usebenzisa inkinobho engenhla noma ngokuhudula bese uphonsa.

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

Isinyathelo 3: Landa i-version yakho M4A amafayela


MP3 kuya M4A Imibuzo Evame Ukubuzwa Yokuguqulwa

Ngiguqula kanjani umsindo MP3 ube M4A ngaphandle kokulahlekelwa ukhwalithi?
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Layisha phezulu ihele MP3 futhi umguquli ukhetha i-M4A codec ne-bitrate ukufana nomsuka. Ukungabi naphutha M4A (WAV / FLAC / ALAC) ugcina yonke isampula nge-bit-identical; ukungabi nalutho M4A (MP3 / AAC / OGG / Opus) kumiswa ku-192 kbps okucacile kuma-earphones amaningi.
Iphutha ngu-192 kbps ku M4A olahlekelwayo; ukudluliswa-kwe- M4A 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.
Uma MP3 ilahlekelwa futhi M4A ayilahleki (isibonelo MP3 → WAV), M4A ayingcono kuna MP3 — awukwazi ukubuyisela imininingwane elahlekile. Uma MP3 ilahlekelwa futhi M4A ayilahleki, i-M4A codec icindezela futhi; ku-192 kbps imiphumela icacile kunoma iyiphi ingxenye.
Yebo — isihloko, umculi, i-album, unyaka, inani lesiqalo, nesithombe se-album zifundwa kusuka ku MP3 isitoreji futhi zibhalwe ku M4A isitoreji lapho ifomu lixhasa amathegi. Zonke izimo ezijwayelekile (MP3, AAC, FLAC, OGG) ziphatha amathegi kahle; i-WAV engaqondakali ayisebenzi.
Yebo — susa isibaya se MP3 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.
Ngephutha yebo — 48 kHz MP3 ihlala 48 kHz ku M4A. 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.
Yebo — ukhetho lokujwayelekile-lokujwayelekile lufaka ITU-R BS.1770 / EBU R128 ukujwayelekile ku M4A, lubeka inhloso -14 LUFS (isizinda sokushayela) noma -16 LUFS (isizinda sepodcast). Kuhle uma kuhlanganiswa amabhayisikobho aqeqeshiwe ezingeni ezahlukene.
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-M4A codec elungele i-hardware yakho efanele.
Yebo — amafayela alayishwe phezulu MP3 aqhubekelwa phambili emisebenzini ehlukanisiwe futhi acishwe ngaphakathi kwemizuzu. Asikwazi ukudlala emuva, ukugcina isikhathi eside, noma ukuhlanganisa okuqukethwe kwesandi. Ifasitela lokugcinwa okuphelele likhona ku /privacy/.
I-codec efanayo iphinde i-mux: 10 kuya ku-30 imizuzwana. Yenza kabusha i-codec eyahlukileyo: 10 kuya ku-20% yesikhathi somthombo, ngakho-ke ihora MP3 → M4A liphela ngemizuzu engu-6 kuya ku-12. Imisebenzi yeqembu ihamba ngokufanayo phakathi kwabasebenzayo ukuze kube nokukhawulela okuningi.
Akukho shintsho lokufinyelela oluzenzakalelayo kwenziwa ngaphandle kokuthi uvule isinqumo sokujwayelekile. Uma ubona ushintsho lwezinga, umdlali wakho womsindo noma ithala lemithombo lizosebenzisa i-ReplayGain noma ukuguqulwa kwezinga ngalinye lomdlalo — hhayi nathi. Ungasebenzisi lokhu ukulalela ama-M4A ajwayelekile.
Uma i-MP3 ilayishwe phansi ingakhuselwanga (akukho DRM), yebo. Ama-streams abhalwe nge-DRM (ama-Spotify, ama-Apple Music tracks) abhalwe nge-crypto ku-bit level futhi asikwazi ukuwaphatha. Ama-Bandcamp, ama-SoundCloud alayishwe phansi, ukurekhodwa komuntu siqu, nama-podcast amafayela aguqulwa ngokucophelela.

MP3

Amafayela e-MP3 asebenzisa ukucindezela okulahlekile ukunciphisa usayizi wefayela ngenkathi kugcinwa ikhwalithi yomsindo eyamukelekayo kubalaleli abaningi.

M4A

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


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