AMR → AIFF

Sinthani Yanu AMR ku AIFF mafayilo mosavuta

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kapena dinani ndi kuchotsani mafayilo anu apa

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Kusintha owona ufulu, Pro ogwiritsa angakonzekere zambiri zochuluka owona; Kulembetsa Tsopano

Kukweza

Momwe mungasinthire AMR ku AIFF

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 AIFF mafayilo

AMR ku AIFF Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji AMR audio ku AIFF popanda kuwononga mtundu?

Kutsitsa fayilo ya AMR ndipo wosintha amasankha AIFF codec ndi bitrate kuti agwirizane ndi chiyambi. Lossless AIFF (WAV / FLAC / ALAC) imasunga zonse zomwe zimawoneka bwino; lossy AIFF (MP3 / AAC / OGG / Opus) imasinthidwa ku 192 kbps yomwe ndi yosawoneka bwino kwa maganizo ambiri. AMR ndi narrowband mawu codec kuyendetsa pakati pa 4.75 ndi 12.2 kbps, modeling munthu woimba m'mimba kuposa wonse audio spectrum. AIFF amasunga PCM yosasinthika ya big-end — yomwe ndi yofanana ndi WAV ya Apple, ndi kusamvana kwa bit-by-bit.

Kodi kusinthira AMR ku AIFF kumawonjezera mtundu wa audio?

Sichoncho, ndipo ndibwino kuti mukhale wopanda kanthu: palibe chomwe chingachitike. AMR yomwe yatulutsidwa kale nthawi yoyamba yolemba, ndikuyika zomwe zilibe kanthu AIFF zimasunga zomwezo - sizowonjezera. Fayilo imakula nthawi zambiri ndipo imawoneka ngati yofanana. Ndibe njira yoyenera yosinthira, chifukwa AIFF siyiwonjezera chitukuko chachiwiri cha artefacts pamene mukutumiza. AIFF ndi studio interchange mtundu pa macOS, amasamalira metadata bwino kuposa WAV, ndi kutumiza mu Logic ndi Pro Tools mwamsanga. AMR amawononga nyimbo: yake 8 kHz bandwidth amachotsa zonse pamwamba foni ma frequencies, ndi palibe ndalama ya re-encoding amabweretsa izo kumbuyo.

Kodi AIFF idzasewera m'galimoto yanga kapena pa hardware yakale?

Nthawi zambiri sichoncho. AMR imasinthidwa ndi chilichonse, kuphatikizapo magalimoto agalimoto ndi osewera okalamba; AIFF amafunikira mapulogalamu omwe amadziwa codec, omwe nthawi zambiri amakhala ndi zida zosagwirizana. Ngati malo osankhidwa ndi stereo yagalimoto kapena wosewera wonyamula, ndiye kuti ndi chitsimikizo cholimba chokhala pa AMR. AIFF ndi lalikulu monga WAV ndi zoipa thandizo kunja kwa Apple padziko, kotero ndi woipa kusankha kwa kugawa.

N’chifukwa chiyani nyimbo zimawoneka zoipa kwambiri pa chikhulupiriro?

Chifukwa chimodzi mwazigawo zake ndi codec ya mawu kuposa codec ya nyimbo. Imakhala ndi maonekedwe a munthu woimba ndipo imachotsa chilichonse m’mbali mwa bandwidth ya foni, chomwe ndi choyenera kwa mawu olemba mawu komanso chowononga kwa chilichonse chomwe chili ndi zida. Kusintha kuchokera ku izo sikungabwezeretse ma frequencies osakhudzidwa — iwo sanali kusinthidwa pamalo oyamba.

Kodi bitrate yomwe imachokera ku fayilo ya AIFF idzagwiritsa ntchito?

Mtengo woyambirira ndi 192 kbps kwa lossy AIFF; pass-through kwa lossless AIFF. Chotsani 320 kbps kwa audiophile kapena 96 kbps kwa mawu / podcast. Chosankha chimasintha kukula kwa fayilo ndi kumvetsera; pansi pa 96 kbps lossy artifacts amawoneka pa nyimbo.

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

Ngati AMR ndi yowonongeka ndipo AIFF ndi yopanda kusowa (mwachitsanzo MP3 → WAV), AIFF si yabwino kuposa AMR - simungathe kubwezeretsa zambiri zomwe zatulutsidwa. Ngati AMR ndi yopanda kusowa ndipo AIFF ndi yopanda kusowa, AIFF codec imabwezeretsa; pa 192 kbps zotsatirazi ndizosawoneka bwino kwa zinthu zambiri.

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

Ndikoyenera - dzina, woimba, album, chaka, mndandanda wa nyimbo, ndi album art amawerengedwa kuchokera ku AMR kontena ndi kulemba ku AIFF kontena komwe mtundu umathandizira ma tag. Zonse zofunikira (MP3, AAC, FLAC, OGG) zimayendetsa ma tag bwino; WAV yosapanga dzimbiri siyichita. AIFF ndi Apple Audio Interchange File Format kuchokera 1988, anamanga pamodzi IFF chunk kupanga monga AVI RIFF.

Kodi ndingasinthire mamiliyoni a AMR mafayilo ku AIFF?

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 AIFF idzakhala ndi kuchuluka kwa sampling monga AMR?

Mwa default yes — 48 kHz AMR imakhala 48 kHz mu AIFF. Ngati mukufuna kulowetsa kuti mugwirizane (96 kHz → 44.1 kHz kwa kulemba CD), kusankha kwa sampling-rate kumagwiritsa ntchito kulowetsanso kwabwino kwambiri panjira yofanana yolemba.

Kodi ndingasinthire kuwala kwamphamvu pamene ndikusintha AMR kupita ku AIFF?

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

Kodi AIFF yanga idzasewera pa stereo yagalimoto, iPod ndi Sonos?

MP3 imasewera kulikonse. AAC imasewera pa Apple, ambiri a Android, ndi Sonos. FLAC imasewera pa Sonos ndi Android koma si pa iPods oyambirira. WAV imasewera pa chilichonse koma ndi chachikulu. Kusintha kwa chipangizo chosinthika chimasankha codec ya AIFF yosinthidwa kwa zida zanu zofunikira.

Kodi fayilo yanga AMR ndi yapadera pamene ikusintha kukhala AIFF?

Yes - zotsitsa zotsitsa AMR zimatha kuchitidwa m'mabungwe osiyana ndi omwe amagwira ntchito ndipo zimatha kuthetsedwa m'maola ochepa. Sitingagwiritse ntchito, kusungira nthawi yayitali kapena kugawana zolemba za audio.