Opus → AMR

Sinthani Yanu Opus ku AMR mafayilo mosavuta

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kapena dinani ndi kuchotsani mafayilo anu apa

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Kukweza

Momwe mungasinthire Opus ku AMR

Gawo 1: Kwezani yanu Opus 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

Opus ku AMR Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji Opus audio ku AMR popanda kuwononga mtundu?

Ikani fayilo ya Opus ndipo wosinthira adzasankha kugwirizana kwa AMR codec / bitrate mogwirizana ndi chiyambi. Kusinthanitsa kopanda kusowa (AMR = WAV / FLAC / ALAC) kumateteza zonse; kusinthanitsa kopanda kusowa (AMR = MP3 / AAC / OGG / Opus) kumasinthidwa kukhala 192 kbps, zomwe ndi zosawoneka bwino kwa ambiri.

Kodi fayilo ya AMR imagwiritsa ntchito bitrate iti?

Choyambirira 192 kbps kwa lossy AMR; pass-through kwa lossless AMR. Chotsani 320 kbps kwa audiophile, 256 kbps kwa nyimbo zokoma, kapena 96 kbps kwa mawu / podcast. Chosankhachi chimasintha kukula kwa fayilo ndi kumvetsera kwa khalidwe labwino kwambiri pa ma bitrates ochepa kwambiri.

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

Ngati Opus ndi lossy ndipo AMR ndi lossless (mwachitsanzo MP3 → WAV), fayilo ya AMR si yabwino kuposa yochokera ku Opus — simungathe kubwezeretsa zambiri zomwe zidatulutsidwa ndi kusungitsa koyamba kwa lossy. Ngati Opus ndi lossless ndipo AMR ndi lossy, yembekezerani kuti codec ya AMR ibwezeretse kusungitsa; pa 192 kbps izi ndi zosawoneka bwino kwa zinthu zambiri.

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

Ndiyo — mutu, woimba, album, chaka, mndandanda wa nyimbo, ndi zithunzi za album zimawerengedwa kuchokera ku Opus ndipo zimalemba mu AMR (katundu uliwonse wa audio umathandiza ma tag). Ma tag amasunganso ma codec omwe ali pansi pake.

Kodi ndingasinthire ma Opus ambiri a AMR?

Yes — tidzachotsa fayilo ya Opus ndipo tidzazipanga mofanana. Premium ili ndi ogwira ntchito ambiri mofanana ndi malire a fayilo, kotero fayilo ya 500-file batch imatha kumaliza m'maola ochepa kuposa maola asanu. Tags ndi ndondomeko ya fayilo imasungidwa.

Kodi AMR idzakhala ndi kuchuluka kwa sampling yomweyo ngati Opus?

Mwa default yes — 48 kHz Opus → 48 kHz AMR, 96 kHz → 96 kHz. Ngati mukufuna kuchepetsa khalidwe la nyimbo kuti zigwirizane (96 kHz studio masters → 44.1 kHz kwa kulemba CD), mfundo yowonjezera ya khalidwe la nyimbo imagwiritsa ntchito resampler yolimba (libsoxr kapena sox-equivalent) popanda kuwonjezera mawu.

Kodi ndingasinthire kuwala kwa mawu m'mawindo a Opus mpaka AMR?

Ndiyo — njira yosintha mawu kuti akhale oyenera imagwiritsa ntchito ITU-R BS.1770 / EBU R128 kuti ikhale yoyenera pa AMR, yolenga -14 LUFS (zoyenera kusewera) kapena -16 LUFS (zoyenera kusewera podcast). Ndi zothandiza pamene mukusintha library yophatikizidwa yomwe ma tracks ake ali ndi ma level osiyanasiyana osiyanasiyana.

Kodi AMR idzasewera pafoni yanga yagalimoto, iPod, kapena Sonos?

MP3 imasewera padziko lonse lapansi pazinthu zonse zomwe zidapangidwa mzaka zapitazi za 20. AAC imasewera pa Apple, ambiri a Android, ndi Sonos. FLAC imasewera pa Sonos, Android, ndi mayunitsi ambiri amakono agalimoto; otsika kwambiri pa iPods oyambirira. WAV imasewera pa chilichonse koma ndichodabwitsa. Chosankha cha chipangizocho chimasankha chotetezeka kwambiri AMR codec kwa chida.

Kodi fayilo yanga Opus ndi yachikhalidwe panthawi yosintha?

Ndikoyenera - mafayilo a Opus omwe amatulutsidwa amachitidwa m'mabungwe osiyana ndipo amasungidwa m'maola ochepa. Sitingagwiritse ntchito, kusungira, kugawana kapena kugawana zomwe zili pa audio. Chitseko chokhala ndi deta yokwanira chimafotokozedwa pa /privacy/.

Kodi ndi nthawi yayitali bwanji kuti musinthe nthawi ya 1-hour Opus kuti AMR?

Kusinthanso kwa codec yomweyo (mwachitsanzo, FLAC yochokera m'modzi mwa ma containers imasinthidwa ku wina): 10-30 masekondi. Kusinthanso kwa codec ina: nthawi zambiri 10-20% ya nthawi yoyambira, kotero nthawi ya 1-hour Opus → AMR imatha m'maola 6-12.

N'chifukwa chiyani fayilo ya AMR ndi yolimba kapena yolimba kuposa Opus yochokera?

Palibe kusintha kwa kuwonjezeka kwa mafoni ngati simudzagwiritsa ntchito njira yosintha. Ngati mukuona kusintha kwa mafoni nthawi yosewera, wosewera wanu kapena laibulale ya ma media angagwiritse ntchito ReplayGain kapena kusinthika kwa mafoni pamodzi — ndiye wosewera, si njira yathu.

Kodi ndingasinthire kutsitsa kwa Opus ku AMR?

Ngati kutsitsa Opus sikunatetezedwe (sinali DRM), yeah. Fayilo yosinthidwa ndi DRM (Spotify offline, Apple Music) imasinthidwa pa level ya byte ndipo sitingathe kuchotsa kapena kuwongolera. Mafuta a Bandcamp, SoundCloud, archive.org, ndi zolemba za munthu zimasinthidwa popanda vuto.

Opus

Opus ndi codec yotseguka, yopanda malipiro yomwe imapereka kupsinjika kwapamwamba pamawu komanso mawu wamba. Ndizoyenera kugwiritsa ntchito zosiyanasiyana, kuphatikiza mawu pa IP (VoIP) ndi kukhamukira.

AMR

AMR (Adaptive Multi-Rate) ndi mtundu wamawu wokongoletsedwa kuti azitha kukopera mawu. Amagwiritsidwa ntchito kwambiri m'mafoni a m'manja pojambula mawu komanso kusewera.