MP3 MP2

Fetola Ea Hau MP3 ho MP2 lifaele ka mokhoa o bonolo

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Mokhoa oa ho fetolela MP3 ho MP2

Mohato oa 1: Kenya ea hau MP3 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 MP2 lifaele


MP3 ho MP2 Lipotso Tse Botsoang Khafetsa Mabapi le Phetoho

Ke ka fetola MP3 audio ho MP2 joang ntle le ho lahleheloa ke boleng?
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Kopitsa faele ea MP3'me motsamaisi o khetha ho kopanya codec / bitrate ea MP2 e lumellanang le profaele ea mohloli. Lossless MP2 (WAV / FLAC / ALAC) e boloka liteko tsohle ka nepo; lossy MP2 (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 MP2; ho fetisoa bakeng sa ho lahleheloa ke MP2. 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 MP3 e le lossy (MP3, AAC)'me MP2 e le lossless (WAV, FLAC), MP2 e ntle ho feta MP3 — u ke ke ua khutlisa tlhaiso-leseling e lahlehileng ke lossy MP3 codec. Haeba MP3 e le lossless'me MP2 e le lossy, nahana hore MP2 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 MP3 le ho ngola ho ea libakeng tse tšoanang ho MP2. 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 MP3'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 MP3 e hlahisa 48 kHz MP2, 44.1 kHz MP3 e hlahisa 44.1 kHz MP2). Bakeng sa ho lumellana ka ho khetheha — e. g. ho theola li-sampling tsa 96 kHz studio master ho 44.1 kHz MP2 bakeng sa ho ngola CD, kapa ho theola li-sampling tsa 22 kHz voicemail ho 44.1 kHz MP2 — 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 MP2, 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 MP2 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 MP2 bakeng sa platform eo u e bontšitseng.
Ee — lifaele tse ngotsoeng MP3 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 MP3 -> MP2 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 MP2 e tla shebahala e le bit-identical ho MP3 (ho sa hlokeng ho senyeha) kapa e le perceptually identical (ho sa hlokeng ho senyeha ka ho hlakile).
Haeba ho jarolla MP3 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 MP2.

MP3

Lifaele tsa MP3 li sebelisa khatello e lahlehileng ho fokotsa boholo ba faele ha ka nako e ts'oanang li boloka boleng bo amohelehang ba molumo bakeng sa bamameli ba bangata.

MP2

MP2 (MPEG Audio Layer II) ke mofuta oa khatello ea molumo o sebelisoang hangata bakeng sa khaso le khaso ea molumo oa dijithale (DAB).


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