AMR → Opus

Sinthani Yanu AMR ku Opus mafayilo mosavuta

Sankhani mafayilo anu

kapena dinani ndi kuchotsani mafayilo anu apa

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Kukweza

Momwe mungasinthire AMR ku Opus

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 Opus mafayilo

AMR ku Opus Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji AMR audio ku Opus popanda kuwononga mtundu?

Kutsitsa fayilo ya AMR ndipo wosinthira amasankha Opus codec ndi bitrate kuti agwirizane ndi chiyambi. Opus yopanda kusowa (WAV / FLAC / ALAC) imateteza zonse zomwe zimafanana; Opus yowonongeka (MP3 / AAC / OGG / Opus) imayikidwa ku 192 kbps yomwe ndi yosawoneka bwino kwa amayi ambiri.

Kodi fayilo yochokera ku Opus idzagwiritsa ntchito bitrate iti?

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

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

Ngati AMR ndi lossy ndipo Opus ndi lossless (mwachitsanzo MP3 → WAV), Opus si yabwino kuposa AMR — simungathe kubwezeretsa zambiri zomwe zatulutsidwa. Ngati AMR ndi lossless ndipo Opus ndi lossy, Opus codec imabwezeretsa; pa 192 kbps zotsatira zake ndi zosawoneka bwino kwa zinthu zambiri.

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

Ndiyo — mutu, woimba, album, chaka, mndandanda wa nyimbo, ndi zithunzi za album zimawerengedwa kuchokera ku AMR ndipo zimalemba ku Opus komwe mtundu umathandizira ma tag. Zomwe zimadziwika bwino (MP3, AAC, FLAC, OGG) zimasamalira ma tag bwino; WAV yosapanga dzimbiri siyichita.

Kodi ndingasinthire mamiliyoni a AMR mafayilo ku Opus?

Yai - tidzayika fayilo ya AMR ndipo tidzazipanga mofanana. Premium ili ndi ogwira ntchito ambiri mofanana ndi malire a fayilo, kotero fayilo ya 500 imatha m'maola angapo osati m'maola angapo.

Kodi Opus idzakhala ndi kuchuluka kwa sampling yomweyo ngati AMR?

Mwa default yes — 48 kHz AMR imakhala 48 kHz mu Opus. Ngati mukufuna kuchepetsa kusamvana kwa ma CD (96 kHz → 44.1 kHz kwa kulemba CD), kusankha kwa kusamvana kwa ma CD kumagwiritsa ntchito kusamvana kwabwino kwambiri panthawi yolemba ma CD.

Kodi ndingasinthire kuwala kwamphamvu pamene ndikusintha AMR kupita ku Opus?

Ndiyo — njira yosintha mawu kuti akhale oyenera imagwiritsa ntchito ITU-R BS.1770 / EBU R128 kuti ikhale yoyenera kwa Opus, yolenga -14 LUFS (zoyenera kusewera) kapena -16 LUFS (zoyenera kusewera podcast).

Kodi Opus 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 ndichodabwitsa. Kusintha kwa chipangizo chatsopano chimasankha Opus codec yosinthidwa kwa zida zanu zofunikira.

Kodi fayilo yanga AMR ndi yapadera pamene ikusintha kukhala Opus?

Ndikofunika — fayilo ya AMR imatha kuchitidwa m'ma worker osiyana ndipo imatha kuthetsedwa m'maola ochepa. Tisaseweranso, sitisunga nthawi yaitali, kapena sitigawana zomwe zili pa audio.

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

Kusintha kwa codec yofanana: 10 mpaka 30 masekondi. Kusintha kwa codec yosiyana: 10 mpaka 20% ya nthawi yoyambira, kotero nthawi ya 1 ola AMR → Opus imatha m'maola 6 mpaka 12. Ntchito za batch zimagwirizana pakati pa ogwira ntchito kuti ziwonjezere kufulumira.

N'chifukwa chiyani Opus ndi yolimba kapena yolimba kuposa AMR?

Sizimachitika kusintha kwa kuwonjezeka kwa nthawi iliyonse mpaka mutakhazikitsa njira yosintha. Ngati mukuona kusintha kwa gawo, ndiye kuti wosewera nyimbo kapena laibulale yanu ya ma media agwiritsa ntchito ReplayGain kapena kusintha kwa gawo pa kusewera — si ife. Chotsani izi kuti mumvetse gawo la Opus lachilungamo.

Kodi ndingasinthire kutsitsa kwa AMR kuchokera ku ntchito zotsitsa mpaka Opus?

Ngati kutsitsa kwa AMR sikuteteza (sinali DRM), yeah. Ma streams omwe ali ndi DRM (Spotify, ma tracks a Apple Music) amasinthidwa pazenera la bit ndipo sitingathe kuwagwiritsira ntchito. Bandcamp, SoundCloud downloads, zolemba za munthu, ndi mafayilo a podcast amasinthidwa moyenera.

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.

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.