MPG ku AUDIO Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu
Kodi ndingagwiritse ntchito bwanji mndandanda wa audio kuchokera ku MPG ngati AUDIO?
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Kutsitsa fayilo ya MPG ndipo wosintha amachotsa mpweya wa audio kuchokera ku MPG, kenako amasintha kukhala AUDIO. Mavidiyo amatulutsidwa - palibe kanema wachiwiri, palibe kuwonongeka kwabwino kuposa zomwe AUDIO codec imayambitsa. MPG ndi chimodzimodzi MPEG pulogalamu mtsinje monga.mpeg - atatu-alemba kuwonjezeka ndi DOS-era kugwa, si mtundu wina. Audio pano ndi zofuna zazikulu: wosintha amapereka mawu ndi amasankha kwambiri-playable encoding kwa izo.
Kodi kusinthira MPG ku AUDIO ndi gawo lachiwiri la kutsitsa kwa lossy?
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Ndikukhulupirira kuti ndinu oyenera, ndipo ndibwino kuti mupange. Mafomu awiriwa ndi owonongeka, choncho AUDIO 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 AUDIO kuchokera ku yomwe imalepheretsa kupitanso koyamba. Zina mwa zinthuzi ndi MPEG-1 kapena MPEG-2 kanema ndi MP2 audio; muxing ndi GOP chilengedwe ndi ofanana ndi.mpeg fayilo. Kutulutsa defaults kuti MP3 pa 192 kbps, amene ndi woyera kwa zinthu zambiri ndi wowerenga ndi aliyense chipangizo.
Kodi chimachitika ndi ma audio ambiri a multichannel pamene amasintha MPG ku AUDIO?
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Idzaikidwa pansi pa stereo, chifukwa AUDIO siyimakhala ndi njira yogwiritsira ntchito ma channel ambiri. Kulowetsa kumagwiritsa ntchito ma coefficients ovomerezeka kuti ma channel apakati azikhala owoneka bwino ndipo ma surrounds amaphatikizidwa pamalingaliro otsika. Chomwecho chilichonse chomwe chimadalirika pa malo osiyanasiyana a ma channel chimapita pamene izi zikuchitika. Defaulted ndi lossy, kotero ngati m'badwo anali lossless ndi inu mukufuna kusintha kapena master it, funsani kwa WAV kapena FLAC mwatsatanetsatane.
Kodi nyimbo ya audio imatulutsidwa pamene MPG yanga ili ndi zambiri?
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Poyambira, mpweya 0 (woyamba wa nyimbo, nthawi zambiri ndi woyamba kuphatikizidwa). Ngati MPG wanu ali ndi mawu ofotokoza, ma dubbing, kapena mawu ofotokoza pa nyimbo zina, wosankha "mpweya wa nyimbo" akukulola kusankha 1, 2, 3... mwatsatanetsatane. Lipoti la nyimbo limawonekera pa mndandanda woyang'anira kuti musasankhe mwamsanga.
Kodi bitrate imagwiritsa ntchito fayilo ya AUDIO?
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Default AUDIO bitrate ndi 192 kbps (wowoneka bwino kwa nyimbo kwa amayi ambiri). Kusintha kwa 320 kbps kwa audiophile output, kapena 96-128 kbps kwa mawu / podcast komwe fayilo yaying'ono ndi yoyamba. Ma AUDIO opanda malire (WAV, FLAC) sasamala za kukhazikitsa kwa bitrate ndikusunga zonse.
Kodi kuchoka ku MPG kupita ku AUDIO kumachepetsa mtundu wanga wa audio?
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Ngati AUDIO ndi mtundu wopanda kuwonongeka (WAV, FLAC, ALAC), zonse zomwe zimapangidwa zimasungidwa. Ngati AUDIO ndi zowonongeka (MP3, AAC, OGG, Opus), codec imabwezeretsa - pa 192 kbps kusiyana kumakhala kopanda kudziwika kwa zinthu zambiri; pa 96 kbps mutha kunena kuti ma cymbals kapena ma sibilants amawoneka. MPG yokhala ndi MPG siyikhudza izi - zosankha za codec ndizofunikira.
Kodi AUDIO yosakira imasunga MPG kuchuluka kwa satifiketi?
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Mwa default yes — 48 kHz MPG audio imakhala 48 kHz AUDIO, 44.1 kHz imakhala 44.1 kHz. Ngati mukufuna kuchepetsa kusamvana kwa kugwirizana (mwachitsanzo, 96 kHz studio masters ku 44.1 kHz CD-quality AUDIO) mndandanda wolowetsa wa sampling-rate amachita izi ndi kusamvana kwabwino.
Kodi ndingagwiritse ntchito AUDIO kuchokera ku fayilo ya MPG?
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Yai - chotsani fayilo ya MPG ku gawo lotsitsa ndipo tidzachita kutulutsa mofanana. Premium imalandira ogwira ntchito ambiri mofanana; pa fayilo ya 100 (kusonkhanitsa kwa nyimbo za nyimbo) iyi ndi kusiyana pakati pa masekondi a 90 ndi maola a 8.
Kodi ndi nthawi yayitali bwanji kuti mutenge AUDIO kuchokera ku 1-hour MPG?
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Audio demux + transcode imayenda mwachangu kuposa kubwezeretsa kanema - nthawi zambiri 5-15% ya nthawi yoyambira. 1-hour MPG -> AUDIO imatha m'maola 3-9 pa standard pipeline. Ngati AUDIO codec imagwirizana ndi codec yoyambira yomwe ili mu MPG (yofala kwa AAC m'ma MKV / MP4), ndi remux yoyera ndipo imagwira ntchito m'masekondi.
Kodi fayilo ya AUDIO idzakhala ndi dzina / woimba / ma tag a album?
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Ngati fayilo ya MPG imasunga metadata ya stream (mlengi, mutu, album), timakopera masambawa ku AUDIO komwe mtundu umathandizira ma tag. ID3v2 (MP3), Vorbis comments (OGG, FLAC), MP4 atoms (AAC / M4A), RIFF INFO (WAV) onse amalemba. Opanda ma tag MPG amapanga AUDIO osadziwika - kugwiritsa ntchito Mp3tag kapena Picard kutumiza kunja kuti muwonjezere.
Kodi MPG yanga ndi yapadera panthawi yochotsa audio?
Nchifukwa chiyani AUDIO yanga ili ndi zitseko zosadziwika kapena zosayenera?
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Pa nthawi zambiri, index ya stream siyigwirizana - MPG yanu ili ndi maudindo ambiri a audio ndipo tatulutsa ulalo wosayenera (mwachitsanzo, ulalo wofotokozera mawu osalankhula m'malo mwa ulalo wophatikizidwa). Yambitsaninso ndi "audio stream" yosinthidwa yosinthidwa ndi index yoyenera, kapena kusankha "all streams" kuti mutenge ulalo uliwonse ngati fayilo yosiyana ya AUDIO.
