Sinthani M4A ku AMR

Sinthani Yanu M4A ku AMR zolemba molimbika

Sankhani mafayilo anu

*Mafayilo achotsedwa patatha maola 24

Sinthani mafayilo okwana 1 GB kwaulere, ogwiritsa ntchito Pro amatha kusintha mafayilo okwana 100 GB; Lowani tsopano

Kukweza

Momwe mungasinthire M4A ku AMR

Gawo 1: Kwezani yanu M4A 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 AMR mafayilo

M4A ku AMR Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji M4A audio ku AMR popanda kuwononga mtundu?

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

Kodi fayilo ya AMR imagwiritsa ntchito bitrate iti?

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

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

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

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

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

Kodi ndingasinthire mamiliyoni a M4A mafayilo ku AMR?

Yes - chotsani fayilo ya M4A 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 AMR idzakhala ndi kuchuluka kwa sampling yomweyo ngati M4A?

Mwa default ndi yeah (48 kHz M4A -> 48 kHz AMR). 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 M4A mpaka AMR?

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

Kodi AMR 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 M4A ndi yachikhalidwe panthawi yosintha?

Ndiyo — fayilo ya M4A 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 M4A kuti AMR?

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

Nchifukwa chiyani fayilo ya AMR ndi yolimba / yolimba kuposa M4A 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 M4A ku AMR?

Ngati kutsitsa kwa M4A 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.