Sinthani AMR ku M4A

Sinthani Yanu AMR ku M4A mafayilo mosavuta

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 AMR ku M4A

Gawo 1: Kwezani yanu AMR 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

AMR ku M4A Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji AMR audio ku M4A popanda kuwonongeka kwabwino?

Kutsitsa fayilo ya AMR ndipo wosinthira wathu amasankha kulumikizana kwa M4A codec / bitrate komwe kumagwirizana ndi chiyambi. Kulephera kopanda malire (M4A = WAV / FLAC / ALAC) kumateteza chilichonse; kulephera kopanda malire (M4A = MP3 / AAC / OGG) kumasinthidwa ku 192 kbps komwe kumawoneka bwino kwa audiobooks olankhula ndi nyimbo zambiri.

Kodi bitrate ya M4A imagwiritsa ntchito?

Default ndi 192 kbps kwa lossy M4A; pass-through kwa lossless M4A. Kusintha kwa 320 kbps kwa audiophile kapena 64-96 kbps kwa mawu olankhula audiobooks (owoneka bwino kwa mawu, amadula kukula kwa fayilo).

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

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

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

Ndikoyenera - dzina, woimba, album, chaka, mndandanda wa nyimbo, album art, ndi masamba olemba (ofunika kwambiri kwa audiobooks) amawerengedwa kuchokera ku AMR ndipo amalemba mu M4A wokhala ndi M4A mtundu umathandizira ma tag. M4B audiobook structure round-trips into M4B and AAX → M4B output.

Kodi ndingasinthire mamiliyoni a AMR mafayilo ku M4A?

Yai - chotsani fayilo ya AMR ndikuwapanga mofanana. Premium ili ndi ogwira ntchito ambiri mofanana ndi malire a fayilo, kotero fayilo ya 500-file batch imatha m'maola angapo osati m'maola angapo.

Kodi M4A idzakhala ndi kuchuluka kwa sampling monga AMR?

Mwachidule ndi yemweyo (48 kHz AMR → 48 kHz M4A). Ngati mukufuna kuchepetsa kusamvana kwa kugwirizana (mwachitsanzo 96 kHz → 44.1 kHz kwa kulemba CD) kusankha kwa kusamvana kwamphamvu kumachita izi ndi kusamvana kwabwino.

Kodi ndingasinthire kuwala kwamphamvu m'njira ya AMR mpaka M4A?

Ndiye — njira yosintha mawu imagwiritsa ntchito ITU-R BS.1770 / EBU R128 yosintha mawu ku M4A, yolenga -14 LUFS (mtengo wosinthira), -16 LUFS (mtengo wosinthira podcast), kapena -23 LUFS (mtengo wosinthira audiobook).

Kodi M4A idzasewera pafoni yanga yagalimoto / iPod / audiobook app?

MP3 amasewera padziko lonse. AAC amasewera pa Apple, ambiri Android, Sonos. FLAC amasewera pa Sonos ndi Android, osachepera bwino pa zaka zakale iPods. M4B audiobooks kusewera ndi bokosi la navigation pa iOS Buku, Audiobookshelf, ndi Smart Audiobook Player.

Kodi fayilo yanga AMR ndi yapadera panthawi yosintha?

Ndikoyenera - mafayilo a AMR omwe amatulutsidwa amachitidwa m'mabungwe osiyana ndi omwe amagwira ntchito ndipo amachotsa m'maola ochepa. Sitimasewera, sitisunga kapena sitigawana zolemba za audio.

Kodi ndi nthawi yayitali bwanji kuti musinthe audiobook ya 10-hour AMR kupita ku M4A?

Kusinthanso kwa codec yomweyo: 10-30 masekondi. Kusinthanso kwa codec yosiyana: nthawi zambiri 10-20% ya nthawi yoyambira, kotero buku la mawu la maola 10 limatha m'maola 60-120. Mapepala olemba nkhani amapita patsogolo ndi kugawidwa bwinobwino.

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

Palibe kusintha kwaulere kwa kuwonjezeka kwa mafoni ngati simugwiritsa ntchito njira yosintha. Ngati mukuona kusintha kwa mafoni, ndiye kuti wosewera nyimbo kapena buku la makanema angagwiritse ntchito ReplayGain kapena kusinthitsa kwa mafoni pamasewera - si ife.

Kodi ndingasinthire zotsitsa za DRM zoteteza AMR ku M4A?

Sichoncho - DRM-encrypted AMR (Audible AAX ndi kuyambitsa kwa munthu, Apple Music) imasinthidwa pazenera la bit ndipo sititha kuyigwiritsa ntchito. Mabungwe a audiobook a archives a anthu, zolemba zanu kapena kutsitsa kwa Bandcamp zimasinthidwa bwino.