AIFF AMR

Fetola Ea Hau AIFF ho AMR lifaele ka mokhoa o bonolo

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Mokhoa oa ho fetolela AIFF ho AMR

Mohato oa 1: Kenya ea hau AIFF 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 AMR lifaele


AIFF ho AMR Lipotso Tse Botsoang Khafetsa Mabapi le Phetoho

Ke ka fetola AIFF audio ho AMR joang ntle le ho lahleheloa ke boleng?
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Kopitsa faele ea AIFF'me motsamaisi o khetha ho kopanya codec / bitrate ea AMR e lumellanang le profaele ea mohloli. Lossless AMR (WAV / FLAC / ALAC) e boloka liteko tsohle ka nepo; lossy AMR (MP3 / AAC / OGG / Opus) e hlophisitsoe ho 192 kbps e leng e hlakileng bakeng sa litaba tsohle tsa molumo.
Bofela ba 192 kbps bakeng sa ho lahleheloa ke AMR; ho fetisoa bakeng sa ho lahleheloa ke AMR. E fetole ho 320 kbps haeba u batla ho lahleheloa ke botsitso bo boholo, 128 kbps bakeng sa ho fetisoa ha podcast e nang le boholo bo fokolang, kapa 96 kbps bakeng sa li-source tsa lentsoe feela moo faele e nyane e leng bohlokoa ho feta lintlha tsa studio.
Haeba AIFF e le lossy (MP3, AAC)'me AMR e le lossless (WAV, FLAC), AMR e ntle ho feta AIFF — u ke ke ua khutlisa tlhaiso-leseling e lahlehileng ke lossy AIFF codec. Haeba AIFF e le lossless'me AMR e le lossy, nahana hore AMR encoder e tla khutlisa ho kopanngoa; ka 192 kbps ho lahleha ho ke ke ha bonahatsoa ke lihlooho tse ngata.
E-na — sehlooho, moqapi, album, selemo, nomoro ea letoto, sehlooho sa album, BPM, ho khutlisa-ho fumana li bala ho tloha ho AIFF le ho ngola ho ea libakeng tse tšoanang ho AMR. ID3v2 (MP3), Vorbis litlhaloso (OGG, FLAC), MP4 atoms (AAC, M4A), RIFF INFO (WAV), iXML chunks tsohle li hlophisitsoe ka nepo.
Ee — re tlatsa foldara ea lifaele tsa AIFF'me re li sebetsana ka kotloloho. Premium e na le bahlahisi ba kotloloho le ho se na boholo ba boholo ba faele, ka hona batch ea 500-file e fela ka metsotso e seng mekae ho feta metsotso e meng le e meng. Mokhahlelo oa foldara o bolokiloe ho ZIP ea tlhahiso.
Ka ho laoloa ke yeah (48 kHz AIFF e hlahisa 48 kHz AMR, 44.1 kHz AIFF e hlahisa 44.1 kHz AMR). Bakeng sa ho lumellana ka ho khetheha — e. g. ho theola li-sampling tsa 96 kHz studio master ho 44.1 kHz AMR bakeng sa ho ngola CD, kapa ho theola li-sampling tsa 22 kHz voicemail ho 44.1 kHz AMR — ho theola li-sampling tsa lipalo-palo ho sebelisa ho khutlisa li-sampling tsa boleng bo phahameng tsa SOX-style.
Ee — khetho ea ho tlosa molumo e sebelisa ho tlosa molumo oa ITU-R BS.1770 / EBU R128 ho AMR, e lebisang ho -14 LUFS (sekhahla sa ho tjhaja) kapa -16 LUFS (sekhahla sa podcast) kapa sekhahla sa hau. E ka sebelisoa ha u fetola lipina ka ho khetheha ka li-mastering tse fapaneng ho ea ho AMR e le 'ngoe ea ho bapala.
MP3 e bapala ka ho feletseng ka lisebelisoa tsohle tse entsoeng lilemong tse 20 tse fetileng. AAC e bapala ka Apple, Android e ngata, Sonos, le listereo tsa likoloi tsa morao-rao. FLAC e bapala ka Sonos le Android ea morao-rao, e sa sebetsa hantle ka iPods tse fetileng. WAV e bapala ka tsohle empa faele e kholo. Likhetho tsa ho theha likhetho li khetha codec e sireletsehileng AMR bakeng sa platform eo u e bontšitseng.
Ee — lifaele tse ngotsoeng AIFF li sebetsana ka ho khetheha'me li tlosoa ka metsotsoana. Re ke ke ra bapala, ho boloka kapa ho arolelana litaba tsa audio. Pipeline e sebetsa ka lisebelisoa tseo re li tsamaiseng ka ho feletseng; ha ho na lits'ebeletso tsa batho ba boraro tse tla fumana faele ea hau.
Same-codec re-mux (mohlala, AAC ka hare ho M4A -> AAC ka hare ho MP4): 10-30 sekontiri. Ho fetola codec (mohlala, FLAC -> MP3 kapa WAV -> AAC): ka linako tse ling 10-20% ea nako ea mohloli, ka hona 1-hora AIFF -> AMR e fela ka metsotsoana ea 6-12 ka pipeline e tloaelehileng.
Ha ho na ho fetoha ha ho etsahalang ka ho toba ho fihlela khetho ea ho tlosa liphoso e hokahantsoe. Haeba u utloa ho fetoha ha boemo, mohlomong mohlophisi oa hau oa molumo kapa laeborari ea media e sebelisa ReplayGain kapa ho tlosa liphoso ka ho bapala — tlosa moo'me AMR e tla shebahala e le bit-identical ho AIFF (ho sa hlokeng ho senyeha) kapa e le perceptually identical (ho sa hlokeng ho senyeha ka ho hlakile).
Haeba ho jarolla AIFF ho sa sirelelitsoe (ha ho DRM), ehlile. Lifaele tsa ho jarolla tse encrypted ka DRM (Spotify offline, Apple Music) li encrypted ka boemo ba bit'me ha li ka sebelisoa. Li-sources ho tloha ho reka Bandcamp, ho jarolla SoundCloud, ho jarolla podcast, le ho ngola ka bomong tsohle li fetoloa ka ho hloekisa ho AMR.

AIFF

AIFF (Audio Interchange File Format) ke mofuta oa faele oa audio o sa hatelletsoeng o sebelisoang hangata ho hlahiseng mamelwang le mmino.

AMR

AMR (Adaptive Multi-Rate) ke mofuta oa compression oa molumo o ntlafalitsoeng bakeng sa khouto ea puo. E sebelisoa hangata lifonong tsa mehala bakeng sa ho rekota mantsoe le ho bapala ka molumo.


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