Fetola M4A ho AC3

Fetola Ea Hau M4A ho AC3 litokomane ntle le matsapa

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 M4A ho AC3

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 AC3 lifaele

M4A ho AC3 Lipotso Tse Botsoang Khafetsa Mabapi le Phetoho

Ke fetola M4A audio ho AC3 joang ntle le ho lahleheloa ke boleng?

Ho kenya faele ea M4A le ho fetola rona ho khetha AC3 codec / bitrate ho kopanya ho lumellana le mohloli. Lossless target (AC3 = WAV / FLAC / ALAC) e boloka mohlala o mong le o mong; lossy target (AC3 = MP3 / AAC / OGG / Opus) e hlophisitsoe ho 192 kbps e leng e hlakileng bakeng sa lihlooho tse ngata.

Faele ea AC3 e sebelisa bitrate efe?

Bofela ba 192 kbps bakeng sa AC3 le ho lahleheloa ke boleng; ho fetisoa ka ho feletseng (ho se na ho dial ha bitrate) bakeng sa AC3 le ho lahleheloa ke boleng. E fetoloa ho 320 kbps bakeng sa tlhahiso ea audiophile, kapa 96 kbps bakeng sa puo / podcast moo lifaele tse nyane li leng bohlokoa ho feta ho ba le boleng bo phahameng.

Na ho tloha ho M4A ho ea ho AC3 ho tla fokotsa boleng ba audio?

Haeba M4A e na le liphoso'me AC3 e na le liphoso (mohlala, MP3 -> WAV), faele ea AC3 e ntle ho feta M4A — u ke ke ua khutlisa tlhaiso-leseling e neng e se e tlositsoe. Haeba M4A e na le liphoso'me AC3 e na le liphoso, codec ea AC3 e tla phutheha hape; ka 192 kbps e hlakile ho lihlooho tse ngata.

Na M4A ho AC3 e fetolehang e boloka ID3 / metadata tags?

E-na — sehlooho, moqapi, album, selemo, nomoro ea lipina, le li-art tsa album li bala ho M4A'me li ngotsoe ho AC3 container moo AC3 format e fanang ka li-tags (tseo li-tag tsohle tse tloaelehileng li fanang ka tsona).

Na ke ka batch fetola limilione tsa M4A faele ho AC3?

Ehlile - re tlosa foldara ea M4A ho tsoa ho li-files'me re li sebetsana ka kotloloho. Pro e na le basebetsi ba fetang ba koetsoeng le ho se na boholo ba boholo ba faele, ka hona faele ea 500 e fela ka metsotso e seng mekae ho feta libeke tse mashome a mabeli.

Na AC3 e tla boloka palo e tšoanang ea lisampula joaloka M4A?

Ka ho laoloa ke yeah (48 kHz M4A -> 48 kHz AC3). 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 sebetsana le sena ka ho sebelisa resampler e phahameng ea polyphase.

Na ke ka fetola bophahamo ba molumo ka ho M4A ho AC3?

Ee — khetho ea ho tlosa molumo e sebelisa ho tlosa molumo oa ITU-R BS.1770 / EBU R128 ho AC3 output, e lebisang ho -14 LUFS (standard ea ho tjhaja) kapa -16 LUFS (standard ea podcast). E ka sebelisoa ha ho fetoloa lipina ka ho khetheha ka li-mastering tsa maemo a fapaneng.

Na AC3 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, le Sonos. FLAC e bapala ka Sonos le Android ea morao-rao, e sa tšoane le iPods e fetileng. WAV e bapala ka tsohle empa e kholo. Likhetho tse tsoetseng pele li kenyelletsa li-presets tsa sesebelisoa bakeng sa li-targets tsena tse tloaelehileng.

Na M4A faele ea ka e le ea ka ka nako ea ho fetoloa?

Ee — lifaele tse M4A li fetisoa ka ho khetheha'me li tlosoa ka metsotsoana. Re ke ke ra bapala, boloka kapa arolelana litaba tsa audio. Bona /privacy/ bakeng sa lebokose la ho boloka data.

Ho fetola M4A ea hora e le AC3 ho nka nako e kae?

Same-codec re-mux: 10-30 sekontiri. Re-encode ho codec e fapaneng: ka linako tse ling 10-20% ea nako ea mohloli, ka hona M4A -> AC3 ea 1-hora e fela ka metsotso e 6-12 ka pipeline e tloaelehileng.

Ke hobane'ng ha faele ea AC3 e moholo / e monyane ho feta M4A?

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 is probably applying ReplayGain or per-track normalization on playback — not us.

Na ke ka fetola M4A ho AC3?

Haeba ho jarolla M4A ho sa sirelelitsoe (ha ho DRM), ehlile. Lifaele tsa ho phallela 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, SoundCloud, le li-recordings tsa botho li fetoloa hantle.