M4A AIFF

Fetola Ea Hau M4A ho AIFF lifaele ka mokhoa o bonolo

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Mokhoa oa ho fetolela M4A ho AIFF

Mohato oa 1: Kenya ea hau M4A 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 AIFF lifaele


M4A ho AIFF Lipotso Tse Botsoang Khafetsa Mabapi le Phetoho

Ke ka fetola M4A audio ho AIFF joang ntle le ho lahleheloa ke boleng?
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Kopitsa faele ea M4A'me motsamaisi o khetha ho kopanya codec / bitrate ea AIFF e lumellanang le profaele ea mohloli. Lossless AIFF (WAV / FLAC / ALAC) e boloka liteko tsohle ka nepo; lossy AIFF (MP3 / AAC / OGG / Opus) e hlophisitsoe ho 192 kbps e leng e hlakileng bakeng sa litaba tsohle tsa molumo. M4A e na le AAC ka linako tse ling, kapa Apple Lossless (ALAC) ha e tsoa ho rip lossless. Li-PC tsa Apple li na le li-processor tse fapaneng, tse kang Apple A10, Apple A11, Apple A12, Apple A13, le tse ling tse ngata.
Ha ho joalo,'me ho na le ho le thata: ha ho na ntho e ka khonehang. M4A e se e tlositsoe ka botlalo ha e ntse e ngola, mme ho kopanya seo se ka bang teng ka ho sa feleng AIFF e boloka ka nepo hore - ha ho letho le eketsehileng. Faele e fumana makhetlo a mangata a kholo le ho utloahala ho le joalo. E ntse e le mohato o nepahetseng pele o hlophisa, hobane AIFF ha e tla eketsa lekholo la bobeli la li-artefacts ha o etsa ho rekisa. AIFF ke mofuta oa studio interchange format ka macOS, o sebetsana le metadata hantle ho feta WAV e tloaelehileng,'me o ka romelloa kapele ho Logic le Pro Tools. M4A e khomarela lintho tse peli tse fapaneng haholo ka morao ho e 'ngoe e tsoelang pele - lossy AAC le lossless ALAC - le non-Apple hardware tšehetso ke sa lumellaneng.
DRM. Sehlopha se seng sa lifaele tsa M4A se encrypted ke polokelo kapa software e li encrypted,'me audio e encrypted ha e ka decoded ke mofani ofe kapa ofe oa ho fetolela. Seo u se ripped ka boeona, recorded, kapa o se rekile ntle le ho sireletsa se fetolela ka mokhoa o tloaelehileng; ho reka ka laesense ha ho tla etsa joalo.
Ka linako tse ling ha ho joalo. M4A e decoded ke ntho e ngoe le e ngoe, ho kenyeletsoa li-units tsa letsoho la koloi le libapali tse nang le lilemo tse ngata; AIFF e hloka software e tsebahalang codec, eo hardware e sa tšoaneng e seng e na le eona. Haeba sepheo ke stereo ea koloi kapa mohlophisi o ka hokahanyang, ke tlhaloso e matla ea ho lula ho M4A. Apple e ne e le mofani oa li-Apple Watch, empa e ne e le mofani oa li-Apple Watch feela, eseng mofani oa li-Apple Watch.
Bofela ba 192 kbps bakeng sa ho lahleheloa ke AIFF; ho fetisoa bakeng sa ho lahleheloa ke AIFF. 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 M4A e le lossy (MP3, AAC)'me AIFF e le lossless (WAV, FLAC), AIFF e ntle ho feta M4A — u ke ke ua khutlisa tlhaiso-leseling e lahlehileng ke lossy M4A codec. Haeba M4A e le lossless'me AIFF e le lossy, nahana hore AIFF 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 M4A le ho ngola ho ea libakeng tse tšoanang ho AIFF. ID3v2 (MP3), Vorbis litlhaloso (OGG, FLAC), MP4 atoms (AAC, M4A), RIFF INFO (WAV), iXML chunks tsohle li hlophisitsoe ka nepo. AIFF ke Apple's Audio Interchange File Format ho tloha ka 1988, e thehiloe ka IFF chunk design e tšoanang le AVI's RIFF.
Ee — re tlatsa foldara ea lifaele tsa M4A'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 M4A e hlahisa 48 kHz AIFF, 44.1 kHz M4A e hlahisa 44.1 kHz AIFF). Bakeng sa ho lumellana ka ho khetheha — e. g. ho theola li-sampling tsa 96 kHz studio master ho 44.1 kHz AIFF bakeng sa ho ngola CD, kapa ho theola li-sampling tsa 22 kHz voicemail ho 44.1 kHz AIFF — 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 AIFF, 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 AIFF 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 AIFF bakeng sa platform eo u e bontšitseng.
Ee — lifaele tse ngotsoeng M4A 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.

M4A

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

AIFF

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


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