AC3 → Opus

Sinthani Yanu AC3 ku Opus mafayilo mosavuta

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Kukweza

Momwe mungasinthire AC3 ku Opus

Gawo 1: Kwezani yanu AC3 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

AC3 ku Opus Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji AC3 audio ku Opus popanda kuwononga mtundu?

Kutsitsa fayilo ya AC3 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. AC-3 ndi lossy multichannel audio, nthawi zambiri 5.1 pa 384 kapena 448 kbps, ndi metadata kwa dialogue normalization ndi downmixing. Opus imasintha kuchokera pa mawu a 6 kbps mono kupita ku nyimbo za stereo za 510 kbps m'njira yofanana ndi bitstream ndipo imasintha mobwerezabwereza.

Kodi kusinthira AC3 ku Opus ndi gawo lachiwiri la kutsitsa kwa lossy?

Ndikukhulupirira kuti ndinu oyenera, ndipo ndibwino kuti mupange. Mafomu awiriwa ndi owonongeka, choncho Opus encoder akuchita ntchito kuchokera ku audio yomwe yakhala ikuyenda mwa psychoacoustic pass, ndipo masankho ake oyamba amapanga gawo loyamba. Pa 192 kbps kapena pamwambapa, zotsatirazi ndizosawoneka bwino kwa ambiri owerenga. Ngati muli ndi master yopanda kuwonongeka, kulemba koyamba kwa Opus kuchokera ku yomwe imalepheretsa kupitanso koyamba.

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

Nthawi zambiri sichoncho. AC3 imasinthidwa ndi chilichonse, kuphatikizapo magalimoto agalimoto ndi osewera okalamba; Opus 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 AC3. Opus siyimathandizidwa ndi zida zokhazokha - ganizirani kuti ndi pulogalamu yokhayo yosewera, ndipo muyembekezere kuti ma stereo agalimoto azisiya kuganizira.

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 AC3 kupita ku Opus kumachepetsa mtundu wanga wa audio?

Ngati AC3 ndi lossy ndipo Opus ndi lossless (mwachitsanzo MP3 → WAV), Opus si yabwino kuposa AC3 — simungathe kubwezeretsa zambiri zomwe zatulutsidwa. Ngati AC3 ndi lossless ndipo Opus ndi lossy, Opus codec imabwezeretsa; pa 192 kbps zotsatira zake ndi zosawoneka bwino kwa zinthu zambiri.

Kodi wosintha AC3 kupita ku Opus amasunga ID3 / metadata tags?

Ndiyo — mutu, woimba, album, chaka, mndandanda wa nyimbo, ndi zithunzi za album zimawerengedwa kuchokera ku AC3 ndipo zimalemba ku Opus komwe mtundu umathandizira ma tag. Zomwe zimadziwika bwino (MP3, AAC, FLAC, OGG) zimasamalira ma tag bwino; WAV yosapanga dzimbiri siyichita. Opus ndi IETF standard kuchokera 2012 kuti anagwirizana Skype's SILK mawu codec ndi Xiph's CELT nyimbo codec mu imodzi kupanga.

Kodi ndingasinthire mamiliyoni a AC3 mafayilo ku Opus?

Yai - tidzayika fayilo ya AC3 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 AC3?

Mwa default yes — 48 kHz AC3 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 AC3 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. Opus ndi codec yowonongeka kwambiri yomwe imawoneka bwino kwambiri pa bitrates yaying'ono ndi malire owoneka bwino, ndipo imagwira ntchito ndi WhatsApp, Discord ndi WebRTC.

Kodi fayilo yanga AC3 ndi yapadera pamene ikusintha kukhala Opus?

Ndikofunika — fayilo ya AC3 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 AC3 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 AC3 → Opus imatha m'maola 6 mpaka 12. Ntchito za batch zimagwirizana pakati pa ogwira ntchito kuti ziwonjezere kufulumira.

AC3

AC3 (Audio Codec 3) ndi Audio psinjika mtundu ambiri ntchito DVD ndi Blu-ray chimbale Audio njanji.

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.