Chinja M4A kuti AAC

Chinja Yako M4A kuti AAC mafaira pasina simba

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*Mafaira adzimwa mushure memaawa makumi maviri nemana

Shandura mafaira anosvika 1 GB mahara, vashandisi vePro vanogona kushandura mafaira anosvika 100 GB; Nyorera izvozvi

Kuisa

Maitiro ekushandura M4A kuti AAC

Danho 1: Isa yako M4A mafaira uchishandisa bhatani riri pamusoro kana nekudhonza nekudonhedza.

Danho rechipiri: Dzvanya bhatani rekuti 'Convert' kuti utange kushandura.

Danho rechitatu: Dhawunirodha yako yakashandurwa AAC mafaira

M4A kuti AAC Mibvunzo Inowanzo bvunzwa Nezvekuchinja

Ndinogona sei kushandura M4A audio kuenda ku AAC pasina kukuvadza kwemhando?

Upload the M4A file and our converter chooses the AAC codec / bitrate combination that matches the source. Lossless target (AAC = WAV / FLAC / ALAC) preserves every sample; lossy target (AAC = MP3 / AAC / OGG) defaults to 192 kbps which is transparent for spoken-word audiobooks and most music.

Kushandura M4A kuenda ku AAC ndeimwe yekupedzisira rondedzero yekumanikidza kwekumanikidza?

Yeah, uye zvinokosha kutarisira. Mafomati maviri ari kushaya, saka encoder AAC ari kushanda kubva kune audio iyo yaive yapfuura neimwe psychoacoustic pass, uye pfungwa dzayo dzinoumba yekutanga seti. Pa 192 kbps kana kupfuura, iyo mhinduro ichiri yakajeka kune vazhinji vanonzwa. Kana iwe uine master isina kushaya chero kupi, encoding the AAC kubva kune iyo inodzivirira double pass zvakakwana. An M4A iine AAC mumamiriro ezvinhu akawanda, kana Apple Lossless (ALAC) apo yakaita kubva ku lossless kurova. AAC ine kushaya simba asi iri nyore kushandisa kupfuura MP3, uye inochengeta kusvika pa48 machannels zvakananga sezviri, kwete sezvaiita stereo.

Nei vamwe ve M4A mafaera angu vasingashanduri?

DRM. Chimwe chikamu che M4A mafaera anovharwa nekutengesa kana software yakaburitsa iwo, uye akavharwa maaudio haagone kugadziriswa neimwe converter. Chii zvaunogona kubvisa iwe pachako, kurodha pasi, kana kutenga pasina dziviriro inoshandura zvakajairika; chibvumirano chekutenga hachizove. M4A anochengeta maviri zvakasiyana zvinhu pamberi imwe kusvikira — lossy AAC uye lossless ALAC — uye kwete-Apple hardware rutsigiro hachisi chakafanana.

Ndeipi bitrate iyo faira AAC inoshandisa?

Zviri pachena kuti 192 kbps ndezvekunonoka AAC; kutevedzera kwe AAC pasina kunonoka. Dzokera ku 320 kbps kune vanofarira mashoko kana 64-96 kbps kune mabhuku ekutaura (anoonekwa nemunhu anotaura, anowedzera saizi yefayela nehafu).

Kubva pa M4A kuenda pa AAC kunoderedza sei kunaka kwezwi rangu?

Kana M4A iri nehuwandu hwehuwandu uye AAC iri pasina huwandu hwehuwandu (e.g. MP3 → WAV), faira AAC harisi rakanaka kupfuura M4A — haugone kudzosa ruzivo rwakaiswa pasi. Kana M4A iri pasina hwando uye AAC iri nehuwandu hwehuwandu, fungidzira kuti codec AAC ichadzosera kumanikidza; pa192 kbps izvi zvinoratidzika kune zvimwe zvinhu.

I M4A to AAC converter inochengeta ID3 / metadata tags?

Yeah - zita, munyori, album, gore, nhamba yemufananidzo, nhamba yealbum, uye chikamu chezvinyorwa (zviri zvakakosha kune audiobooks) zvinoverenga kubva ku M4A uye zvakanyorwa muAAC chigaro apo AAC fomati inotsigira ma tags.

Ndinogona kushandura mazana e M4A mafaera kuita AAC?

Yeah - bvisa folder ye M4A mafaera uye isu tinozvigadzirisa zvakaenzana. Premium ine akawanda akaenzana maworkers uye hapana kumanikidza kwefaera, saka batch ye500-file inosvika mumasekondi kupfuura makumi emasekondi.

I AAC ichachengeta iyo imwechete sampling rate se M4A?

Zviri pachena kuti hapana (48 kHz M4A → 48 kHz AAC). Kana iwe uchida kushambadza pasi kuti zvive zvakaenzana (e. g. 96 kHz → 44.1 kHz for CD burning) iyo yakakwira sampling-rate sarudzo ichaita izvi nemhando yepamusoro yekushambadza.

Ndinogona here kudzora kusimba kwezwi mu M4A kusvika ku AAC?

Yeah — loudness-normalize sarudzo inoshandisa ITU-R BS.1770 / EBU R128 normalization kune AAC output, ichitarisa -14 LUFS (streaming standard), -16 LUFS (podcast standard), kana -23 LUFS (audiobook standard).

I AAC ichatamba pafoni yangu yefoni / iPod / audiobook app?

MP3 anotamba pasi rese. AAC anotamba paApple, vazhinji Android, Sonos. FLAC anotamba pa Sonos uye Android, zvakaipa pane vadiki iPods. M4B audiobooks kutamba nechitsauko kushanyira pa iOS Books, Audiobookshelf, uye Smart Audiobook Player.

Ndiani anochengeta M4A faira rangu panguva yekushandura?

Yeah — akakwira M4A mafaera anogadziriswa muzvirongwa zvakasiyana uye anogadziriswa mukati memasekondi. Tisingatamba, hatichengeti, kana kugovera zvemukati zvemutauro wechinyakare.

Ndeipi nguva inotora kushandura 10-hour audiobook kubva ku M4A kuenda ku AAC?

Kudzokorora-kushandura-kodhesi-imwe: 10-30 masekondi. Kudzokorora-kushandura-kodhesi-imwe: 10-20% yenguva yechizvarwa, saka 10-hour audiobook inopera mu 60-120 maminitsi. Mabhuku echikamu anoramba aripo uye anoparadzwa zvakachena.