Sinthani AAC ku M4A

Sinthani Yanu AAC ku M4A zolemba molimbika

Sankhani mafayilo anu

*Mafayilo achotsedwa patatha maola 24

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Kukweza

Momwe mungasinthire AAC ku M4A

Gawo 1: Kwezani yanu AAC mafayilo pogwiritsa ntchito batani lomwe lili pamwambapa kapena pokoka ndi kugwetsa.

Gawo 2: Dinani batani la 'Convert' kuti muyambe kusintha.

Gawo 3: Tsitsani pulogalamu yanu yosinthidwa M4A mafayilo

AAC ku M4A Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji AAC audio ku M4A popanda kuwononga mtundu?

Kutsitsa fayilo ya AAC ndi kusinthitsa kwathu kumasankha kulumikizana kwa M4A codec / bitrate komwe kumagwirizana ndi chiyambi. Kusinthanitsa kopanda malire (M4A = WAV / FLAC / ALAC) kumateteza chilichonse; kusinthitsa kopanda malire (M4A = MP3 / AAC / OGG / Opus) kumasinthidwa ku 192 kbps, zomwe ndizosawoneka bwino kwa amayi ambiri.

Kodi fayilo ya M4A imagwiritsa ntchito bitrate iti?

Default 192 kbps kwa lossy M4A; pass-through (sinali bitrate dial) kwa lossless M4A. Kusintha kwa 320 kbps kwa audiophile output, kapena 96 kbps kwa mawu / podcast pomwe mafayilo ochepa amafunikira kwambiri kuposa kukhulupirika pazovuta.

Kodi kuchoka ku AAC kupita ku M4A kumachepetsa mtundu wanga wa audio?

Ngati AAC ndi lossy ndipo M4A ndi lossless (mwachitsanzo MP3 -> WAV), fayilo ya M4A si yabwino kuposa AAC — simungathe kubwezeretsa zambiri zomwe zatulutsidwa kale. Ngati AAC ndi lossless ndipo M4A ndi lossy, codec ya M4A imabwezeretsa; pa 192 kbps izi ndi zosawoneka bwino kwa zinthu zambiri.

Kodi wosintha AAC kupita ku M4A amasunga ID3 / metadata tags?

Ndikofunika - dzina, woimba, album, chaka, mndandanda wa nyimbo, ndi zithunzi za album zimawerengedwa kuchokera ku AAC ndipo zimalemba mu M4A komwe M4A imathandizira ma tag (zomwe zimachitika zonse).

Kodi ndingasinthire mamiliyoni a AAC mafayilo ku M4A?

Yes - chotsani fayilo ya AAC ndikuwapanga mofanana. Pro ili ndi ogwira ntchito ambiri mofanana ndi palibe kukana kwa kukula kwa fayilo, kotero fayilo ya 500-file imatha m'maola angapo osati m'maola angapo.

Kodi M4A idzakhala ndi kuchuluka kwa sampling yomweyo ngati AAC?

Mwa default ndi yeah (48 kHz AAC -> 48 kHz M4A). Ngati mukufuna kuchepetsa khalidwe la kanema chifukwa chogwirizana (mwachitsanzo 96 kHz -> 44.1 kHz polemba CD) mfundo yowonjezera ya khalidwe la kanema imachita izi ndi resampler ya polyphase yopanda malire.

Kodi ndingasinthire kuwala kwa mawu m'mawindo a AAC mpaka M4A?

Ndiyo — njira yosintha mawu kuti akhale oyenera imagwiritsa ntchito ITU-R BS.1770 / EBU R128 kuti ikhale yoyenera pa M4A output, yolenga -14 LUFS (standard yoyenda) kapena -16 LUFS (standard ya podcast).

Kodi M4A idzasewera pa stereo yagalimoto yanga / iPod / Sonos?

MP3 amasewera padziko lonse. AAC amasewera pa Apple, ambiri Android, ndi Sonos. FLAC amasewera pa Sonos ndi Android m'madera, otsika bwino pa iPods atsopano. WAV amasewera pa zonse, koma ndi lalikulu. Advanced options kuphatikizapo chipangizo presets kwa izi zofuna zofala.

Kodi fayilo yanga AAC ndi yachikhalidwe panthawi yosintha?

Ndiyo — fayilo ya AAC yotulutsidwa imathetsedwa m'maola angapo. Sitimasewera, sitisunga kapena sitigawana zinthu za audio. Onani /privacy/ kuti mudziwe zenera la kusungira deta.

Kodi ndi nthawi yayitali bwanji kuti musinthe nthawi ya 1-hour AAC kuti M4A?

Kusinthanso kwa codec yomweyo: 10-30 masekondi. Kusinthanso kwa codec yosiyana: nthawi zambiri 10-20% ya nthawi yoyambira, kotero 1-hour AAC -> M4A imatha m'maola 6-12 pa standard pipeline.

Nchifukwa chiyani fayilo ya M4A ndi yolimba / yolimba kuposa AAC yochokera?

Palibe kusintha kwa chitetezo chokhacho chochitika mpaka mutatsegula njira yosintha. Ngati mumaona kusintha kwa chitetezo, wosewera nyimbo kapena laibulale ya ma media akhoza kugwiritsa ntchito ReplayGain kapena kusintha kwa chitetezo cha nyimbo pa kusewera - si ife.

Kodi ndingasinthire kutsitsa kwa AAC ku M4A?

Ngati kutsitsa kwa AAC sikuteteza (sinali DRM), yeah. Fayilo yosinthira yosinthidwa ndi DRM (Spotify, Apple Music) imasinthidwa pamalingaliro a bit ndipo sititha kuzichita. Mafuta a Bandcamp, SoundCloud, ndi zolemba za munthu zimasinthidwa bwino.