Tlosa AMR ho M4A

Tlosa AMR ho M4A Litokomane ka bonolo

Khetha lifaele tsa hau

*Lifaele li hlakotsoe ka mor'a lihora tse 24

Fetolela lifaele tse fihlang ho 1 GB mahala, basebelisi ba Pro ba ka fetolela lifaele tse fihlang ho 100 GB; Ingolise hona joale

Ho kenya

Mokhoa oa ho fetolela AMR ho M4A

Mohato oa 1: Kenya ea hau AMR 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

AMR ho M4A Lipotso tse tloaelehileng

Ke ka fetola AMR audio ho M4A joang ntle le ho lahleheloa ke boleng?

Kopitsa faele ea AMR'me motsamaisi oa rona o tla khetha ho kopanya codec / bitrate ea M4A e lumellanang le mohloli. Target e sa senyeheng (M4A = WAV / FLAC / ALAC) e boloka liteko tsohle; Target e sa senyeheng (M4A = MP3 / AAC / OGG) e hlophisitsoe ka ho lekola ho 192 kbps e leng e hlakileng bakeng sa lihlooho tse ngata.

Faele M4A e sebelisa bitrate efe?

Default 192 kbps for lossy M4A; pass-through for lossless M4A. Override to 320 kbps for audiophile or 96 kbps for voice / podcast. The choice trades file size against audible fidelity at very low bitrates.

Na ho tloha ho AMR ho ea ho M4A ho tla fokotsa boleng ba audio?

Haeba AMR e na le liphoso'me M4A e se na liphoso (mohlala MP3 → WAV), faele ea M4A e ntle ho feta AMR — u ke ke ua khutlisa tlhaiso-leseling e se e lahliloe. Haeba AMR e na le liphoso'me M4A e na le liphoso, nahana hore codec ea M4A e tla khutlisa ho kopanya; ka 192 kbps e hlakile ho lihlooho tse ngata.

Na ho fetolela AMR ho M4A ho boloka ID3 / metadata tags?

Ee — sehlooho, moqapi, album, selemo, nomoro ea lipina, li-art tsa album li bala ho AMR'me li ngotsoe ho M4A (ha M4A e fana ka li-tags, tseo tse ling tsohle li fanang ka tsona).

Na ke ka fetola lifaele tse likete tsa AMR ho M4A?

Ee - kenya foldara ea lifaele tsa AMR'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.

Na M4A e tla boloka palo ea lisampula e tšoanang le AMR?

Ka ho laoloa ke yeah (48 kHz AMR → 48 kHz M4A). Haeba u hloka ho fokotsa palo ea lisampuli bakeng sa ho lumellana (mohlala, 96 kHz → 44.1 kHz bakeng sa ho ngola CD) khetho ea palo ea lisampuli e tsoetseng pele e etsa sena ka ho eketsa palo ea lisampuli ka boleng bo phahameng.

Na ke ka fetola bophahamo ba molumo ka ho tloha ho AMR ho ea ho M4A?

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 phallela) kapa -16 LUFS (sekhahla sa podcast). E ka sebelisoa ha ho fetoloa lipina ka lihlopha ka litekanyetso tse fapaneng tsa ho hlophisa.

M4A e tla bapala ka stereo ea koloi ea ka / iPod / Sonos?

MP3 e bapala ka ho feletseng. AAC e bapala ka Apple, Android e ngata, Sonos. FLAC e bapala ka Sonos le Android, e sa tšoane le iPods e fetileng. WAV e bapala ka hohle empa e kholo. Likhetho tse tsoetseng pele li kenyelletsa li-presets tsa sesebelisoa bakeng sa li-targets tsena tse tloaelehileng.

Na faele ea ka AMR e le ea ka ka nako ea ho fetoloa?

Ee — lifaele tse ngotsoeng AMR li sebetsana ka ho khetheha'me li tlosoa ka metsotsoana. Re ke ke ra bapala, ho boloka kapa ho arolelana litaba tsa audio.

Ho fetola AMR ea 1-ora ho M4A ho nka nako e kae?

Re-mux ea codec e tšoanang: 10-30 sekontiri. Re-encode ho codec e fapaneng: ka linako tse ling 10-20% ea nako ea mohloli, ka hona AMR → M4A ea 1-hora e fela ka metsotso e 6-12.

Ke hobane'ng ha faele ea M4A e moholo / e monyane ho feta mohloli oa AMR?

No automatic gain change happens unless you turn on the normalize option. If you do see a level change, your audio player or media library may be applying ReplayGain or per-track normalization on playback — not us.

Na ke ka fetola ho jarolla ha AMR ho M4A?

Haeba ho jarolla AMR ho sa sirelelitsoe (ha ho DRM), ehlile. Lifaele tsa ho jarolla tse encrypted ka DRM (Spotify, Apple Music) li encrypted ka litekanyo tsa bit'me re ke ke ra li sebetsana. Li-sources ho tloha Bandcamp, ho jarolla ho SoundCloud, le ho ngola ka bomong li fetoloa hantle.