WMA → M4A

Sinthani Yanu WMA ku M4A mafayilo mosavuta

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Kukweza

Momwe mungasinthire WMA ku M4A

Gawo 1: Kwezani yanu WMA mafayilo pogwiritsa ntchito batani lomwe lili pamwambapa kapena pokoka ndi kugwetsa.

Gawo 2: Dinani batani la 'Convert' kuti muyambe kusintha.

Gawo 3: Tsitsani pulogalamu yanu yosinthidwa M4A mafayilo

WMA ku M4A Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji WMA audio ku M4A popanda kuwononga mtundu?

Kutsitsa fayilo ya WMA ndipo wosinthira amasankha M4A codec ndi bitrate kuti agwirizane ndi chiyambi. M4A yopanda kusowa (WAV / FLAC / ALAC) imateteza zonse zomwe zimafanana; M4A yowonongeka (MP3 / AAC / OGG / Opus) imayikidwa ku 192 kbps yomwe ndi yosawoneka bwino kwa amayi ambiri.

Kodi fayilo yochokera ku M4A idzagwiritsa ntchito bitrate iti?

Mtengo woyambirira ndi 192 kbps kwa lossy M4A; pass-through kwa lossless M4A. Chotsani 320 kbps kwa audiophile kapena 96 kbps kwa mawu / podcast. Chosankha chimasintha kukula kwa fayilo motsutsana ndi kumvetsera; pansi pa 96 kbps lossy artifacts amawoneka pa nyimbo.

Kodi kuchoka ku WMA kupita ku M4A kumachepetsa mtundu wanga wa audio?

Ngati WMA ndi lossy ndipo M4A ndi lossless (mwachitsanzo MP3 → WAV), M4A si yabwino kuposa WMA — simungathe kubwezeretsa zambiri zomwe zatulutsidwa. Ngati WMA ndi lossless ndipo M4A ndi lossy, M4A codec imabwezeretsa; pa 192 kbps zotsatira zake ndi zosawoneka bwino kwa zinthu zambiri.

Kodi wosintha WMA kupita ku M4A amasunga ID3 / metadata tags?

Ndiyo — mutu, woimba, album, chaka, mndandanda wa nyimbo, ndi zithunzi za album zimawerengedwa kuchokera ku WMA ndipo zimalemba ku M4A komwe mtundu umathandizira ma tag. Zomwe zimadziwika bwino (MP3, AAC, FLAC, OGG) zimasamalira ma tag bwino; WAV yosapanga dzimbiri siyichita.

Kodi ndingasinthire mamiliyoni a WMA mafayilo ku M4A?

Yai - tidzayika fayilo ya WMA ndipo tidzazipanga mofanana. Premium ili ndi ogwira ntchito ambiri mofanana ndi malire a fayilo, kotero fayilo ya 500 imatha m'maola angapo osati m'maola angapo.

Kodi M4A idzakhala ndi kuchuluka kwa sampling yomweyo ngati WMA?

Mwa default yes — 48 kHz WMA imakhala 48 kHz mu M4A. Ngati mukufuna kuchepetsa kusamvana kwa ma CD (96 kHz → 44.1 kHz kwa kulemba CD), kusankha kwa kusamvana kwa ma CD kumagwiritsa ntchito kusamvana kwabwino kwambiri panthawi yolemba ma CD.

Kodi ndingasinthire kuwala kwamphamvu pamene ndikusintha WMA kupita ku M4A?

Ndiyo — njira yosintha mawu kuti akhale oyenera imagwiritsa ntchito ITU-R BS.1770 / EBU R128 kuti ikhale yoyenera kwa M4A, yolenga -14 LUFS (zoyenera kusewera) kapena -16 LUFS (zoyenera kusewera podcast).

Kodi M4A yanga idzasewera pa stereo yagalimoto, iPod, ndi Sonos?

MP3 imasewera kulikonse. AAC imasewera pa Apple, ambiri a Android, ndi Sonos. FLAC imasewera pa Sonos ndi Android koma si pa iPods oyambirira. WAV imasewera pa chilichonse koma ndichodabwitsa. Kusintha kwa chipangizo chatsopano chimasankha M4A codec yosinthidwa kwa zida zanu zofunikira.

Kodi fayilo yanga WMA ndi yapadera pamene ikusintha kukhala M4A?

Ndikofunika — fayilo ya WMA imatha kuchitidwa m'ma worker osiyana ndipo imatha kuthetsedwa m'maola ochepa. Tisaseweranso, sitisunga nthawi yaitali, kapena sitigawana zomwe zili pa audio.

Kodi ndi nthawi yayitali bwanji kuti musinthe nthawi ya 1-hour WMA kuti M4A?

Kusintha kwa codec yofanana: 10 mpaka 30 masekondi. Kusintha kwa codec yosiyana: 10 mpaka 20% ya nthawi yoyambira, kotero nthawi ya 1 ola WMA → M4A imatha m'maola 6 mpaka 12. Ntchito za batch zimagwirizana pakati pa ogwira ntchito kuti ziwonjezere kufulumira.

N'chifukwa chiyani M4A ndi yolimba kapena yolimba kuposa WMA?

Sizimachitika kusintha kwa kuwonjezeka kwa nthawi iliyonse mpaka mutakhazikitsa njira yosintha. Ngati mukuona kusintha kwa gawo, ndiye kuti wosewera nyimbo kapena laibulale yanu ya ma media agwiritsa ntchito ReplayGain kapena kusintha kwa gawo pa kusewera — si ife. Chotsani izi kuti mumvetse gawo la M4A lachilungamo.

Kodi ndingasinthire kutsitsa kwa WMA kuchokera ku ntchito zotsitsa mpaka M4A?

Ngati kutsitsa kwa WMA sikuteteza (sinali DRM), yeah. Ma streams omwe ali ndi DRM (Spotify, ma tracks a Apple Music) amasinthidwa pazenera la bit ndipo sitingathe kuwagwiritsira ntchito. Bandcamp, SoundCloud downloads, zolemba za munthu, ndi mafayilo a podcast amasinthidwa moyenera.

WMA

WMA (Mawindo Media Audio) ndi zomvetsera psinjika mtundu kukula Microsoft. Amagwiritsidwa ntchito kwambiri kusonkhana ndi nyimbo pa intaneti.

M4A

M4A ndi mtundu wamafayilo omvera womwe umagwirizana kwambiri ndi MP4. Imapereka kupsinjika kwapamwamba kwamawu ndi chithandizo cha metadata, ndikupangitsa kuti ikhale yoyenera kugwiritsa ntchito zosiyanasiyana.