WMA M4A

Fetola Ea Hau WMA ho M4A lifaele ka mokhoa o bonolo

Khetha lifaele tsa hau

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Mokhoa oa ho fetolela WMA ho M4A

Mohato oa 1: Kenya ea hau WMA difaele o sebedisa konopo e ka hodimo kapa ka ho hula le ho dihela.

Mohato oa 2: Tobetsa konopo ea 'Convert' ho qala phetoho.

Mohato oa 3: Khoasolla sesebelisoa sa hau se fetotsoeng M4A lifaele


WMA ho M4A Lipotso Tse Botsoang Khafetsa Mabapi le Phetoho

Ke ka fetola WMA audio ho M4A joang ntle le ho lahleheloa ke boleng?
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Kopitsa faele ea WMA'me motsamaisi o tla khetha codec ea M4A le bitrate ho lumellana le mohloli. Lossless M4A (WAV / FLAC / ALAC) e boloka litokomane tsohle ka bit-identical; lossy M4A (MP3 / AAC / OGG / Opus) e hlophisitsoe ho 192 kbps e leng e hlakileng bakeng sa lihlooho tse ngata.
Bofela ba likhetho li tla ba le 192 kbps bakeng sa lossy M4A; pass-through bakeng sa lossless M4A. E ka fetoloa ho 320 kbps bakeng sa audiophile kapa 96 kbps bakeng sa puo / podcast. Khetho e fetola boholo ba faele ho latela botsitso ba ho utloahala; ka tlase ho 96 kbps liphetoho tsa lossy li ka bonahatsoa ka lipina.
Haeba WMA e le lefifi'me M4A e se na lefifi (mohlala MP3 → WAV), M4A e se e ntle ho feta WMA — u ke ke ua khutlisa tlhaiso-leseling e sa tsoa tlosoa. Haeba WMA e le lefifi'me M4A e le lefifi, codec ea M4A e tla hlaka; ka 192 kbps, e tla hlaka ho lihlooho tse ngata.
Ee — sehlooho, moqapi, album, selemo, nomoro ea lipina, le litšoantšo tsa album li bala ho tloha ho WMA le ho ngola ho M4A moo bophahamo bo tšehetsang li-tags. Li-targets tsohle tse tloaelehileng (MP3, AAC, FLAC, OGG) li sebetsana ka li-tags ka nepo; WAV e sa phehiloeng e se e etsa joalo.
Ee - kenya foldara ea lifaele tsa WMA'me re li sebetsana ka kotloloho. Premium e na le basebetsi ba fetang ba koetsoeng le ho se na boholo ba boholo ba faele, ka hona batch ea 500-file e fela ka metsotso e seng mekae ho feta libeke tse mashome a mabeli.
Ka ho laoloa ke yeah — 48 kHz WMA e lula e le 48 kHz ho M4A. Haeba u hloka ho fokotsa ho lekanya bakeng sa ho lumellana (96 kHz → 44.1 kHz bakeng sa ho ngola CD), khetho ea palo ea lisampula e sebelisa ho lekanya ka ho hlaka ho lekanya ka ho hlaka ka ho lekanya ka ho hlaka.
Ee — khetho ea ho tlosa molumo e sebelisa ho tlosa molumo oa ITU-R BS.1770 / EBU R128 ho M4A, e lebisang ho -14 LUFS (sekhahla sa ho tjhaja) kapa -16 LUFS (sekhahla sa podcast). E ka sebelisoa ha ho etsoa lipina tse ngata ka litsela tse fapaneng.
MP3 e bapala ka hohle. AAC e bapala ka Apple, Android e ngata, le Sonos. FLAC e bapala ka Sonos le Android empa e se ka iPods tse fetileng. WAV e bapala ka hohle empa e kholo. Likhetho tsa ho theha li-preset tsa lisebelisoa tse tsoetseng pele li khetha M4A codec e ntlafalitsoeng bakeng sa lisebelisoa tsa hau tsa ho qetela.
Ee — lifaele tse ngotsoeng WMA li sebetsana ka ho khetheha'me li tlosoa ka metsotsoana. Re ke ke ra bapala, ho boloka nako e telele, kapa ho arolelana litaba tsa audio. Lebokose la ho boloka le kaholimo le ka /privacy/.
Re-mux ea codec e tšoanang: lisenthimithara tse 10 ho isa ho tse 30. Ho ngolisa hape ho codec e fapaneng: ka linako tse ling lisenthimithara tse 10 ho isa ho tse 20% tsa nako ea ho qala, ka hona WMA → M4A ea hora e 1 e fela ka metsotso e 6 ho isa ho e 12. Likarolo tsa batch li sebetsa ka ho lekola li-worker bakeng sa ho potlakisa ho eketsehileng.
No automatic gain change happens unless you enable the normalize option. If you observe a level change, your audio player or media library is likely applying ReplayGain or per-track normalization on playback — not us. Disable that to hear the true M4A levels.
Haeba ho jarolla WMA ho sa sirelelitsoe (ha ho DRM), ehlile. Li-streams tse encrypted ka DRM (Spotify, Apple Music tracks) li encrypted ka litekanyo tsa bit'me re ke ke ra li sebetsana. Ho jarolla ho Bandcamp, SoundCloud, ho ngola ka bomong, le ho fetola lifaele tsa podcast ka mokhoa o hloekileng.

WMA

WMA (Windows Media Audio) ke mamelwang compression sebopeho ntshetswa pele ke Microsoft. E atisa ho sebelisoa bakeng sa ho phallela le Inthaneteng 'mino ditshebeletso tsa.

M4A

M4A ke mofuta oa faele oa molumo o amanang haufi-ufi le MP4. E fana ka compression ea boleng bo holimo ea molumo e nang le ts'ehetso ea metadata, e etsa hore e tšoanelehe bakeng sa lits'ebetso tse fapaneng.


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