MP4 → WAV

Sinthani Yanu MP4 ku WAV mafayilo mosavuta

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Kukweza

Momwe mungasinthire MP4 ku WAV

Gawo 1: Kwezani yanu MP4 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 WAV mafayilo

MP4 ku WAV Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingagwiritse ntchito bwanji audio kuchokera ku fayilo yanga ya MP4 ngati WAV?

Kutsitsa fayilo ya MP4 ndipo wosintha amasintha mpweya wa audio, kenako amasintha ku WAV. Palibe gawo lachiwiri la kanema - mndandanda wowoneka umathetsedwa mofulumira, chifukwa chake kutulutsa ndi kosavuta kuposa kubwezeretsa kwathunthu. MP4 ndi ISO / IEC 14496-14, standardized mu 2001 ndi anachokera pamodzi QuickTime katundu layout MOV ntchito. WAV ndi Microsoft ndi IBM RIFF-ogwirizana audio chidebe kuchokera 1991, ndipo ndi zimene pafupifupi aliyense audio interface ndi DAW amalemba pa record.

Kodi kusinthira MP4 ku WAV kumawonjezera mtundu wa audio?

Sichoncho, ndipo ndibwino kuti mukhale wopanda kanthu: palibe chomwe chingachitike. MP4 chomwe chatha kuchotsa mfundo zazikulu panthawi yake yoyamba yolemba, ndikuyika zomwe zilibe kanthu WAV zimasunga zomwe zilibe kanthu - sichoncho. Fayilo imakula nthawi zambiri ndipo imawoneka ngati yofanana. Ndibe njira yoyenera yosinthira, chifukwa WAV siyiwonjezera chitukuko chachiwiri cha artefacts pamene mukutumiza. WAV ndi bwino mtundu kwa kusintha, mastering ndi archiving, chifukwa chakuti angathe re-encoded nthawi iliyonse popanda kusonkhana artefacts. MP4 amathandiza okha imodzi yotchuka subtitle mtundu (mov_text), ndi multi-traka audio ndi osati olimba m'malo desiki osewera.

Kodi bitrate ya audio yomwe yatulutsidwa ndi WAV imagwiritsa ntchito?

Kusintha kwa bitrate koyambirira kwa WAV ndi 192 kbps, zomwe ndi zosawoneka bwino kwa nyimbo. Mukhoza kusintha kwa 320 kbps (audiophile) kapena 96-128 kbps (wokamba / podcast / fayilo yaying'ono). Kusintha kwa bitrate kumawonekera m'masankho owonjezera pazenera mukadina kusinthitsa.

Kodi ndidzataya mtundu wa audio kuchokera ku MP4 kupita ku WAV?

Ngati WAV ndi yopanda kuwonongeka (WAV, FLAC), zonse zosawerengeka zimasungidwa moyenera. Ngati WAV ndi yopanda kuwonongeka (MP3, AAC, OGG, Opus), codec ya WAV imabwezeretsa kuwonongeka kwa mavidiyo - pa 192 kbps zotsatira zake ndi zosawoneka bwino kwa zinthu zonse. Kusintha kwa kuwonongeka → yopanda kuwonongeka sikubwezeretsa zinthu zomwe zatulutsidwa kale. WAV nthawi zambiri amasunga raw uncompressed PCM - aliyense sample anatenga moyenera, pa zimene bit kuwala ndi sampling rate anathawa.

Kodi WAV ya audio imasunga kuchuluka kwa sampling?

Mwa default yeah — 48 kHz audio mu MP4 yanu imakhala 48 kHz mu WAV output. Kuti mugwiritse ntchito CD- burning kapena legacy player mungathe kulowetsa mpaka 44. 1 kHz pogwiritsa ntchito dropdown ya sampling- rate; resampler ndi yamphamvu kwambiri ya SoX- grade.

Kodi ndingagwiritse ntchito ma audio kuchokera ku MP4 mafayilo ambiri kupita ku WAV m'modzi?

Yesani - chotsani fayilo ya MP4 ndikupanga audio mofanana. Ogwiritsa ntchito Premium amalandira ogwira ntchito ambiri mofanana; pa fayilo ya 50-file iyi ndi kusiyana pakati pa maola angapo ndi maola asanu ndi awiri.

Kodi WAV idzaphatikizidwa ndi metadata ya mutu / woimba / album?

Ngati MP4 imathamanga ma metadata a gawo kapena ma stream, timakopera masamba a mutu / woimba / album ku WAV. Ngati sichoncho, WAV imatuluka osasindikizidwa - kugwiritsa ntchito wolemba tag (Mp3tag, Picard) pambuyo pa kutumiza kunja kwa tagging yochuluka.

Kodi ndi nthawi yayitali bwanji kuti mutenge WAV audio kuchokera ku 1-hour MP4?

Audio demux + encode ndiyabwino - nthawi zambiri 5 mpaka 15% ya nthawi yoyambira. 1-hour MP4 → WAV imatha m'maola 3 mpaka 9 panthawi yoyenera; Premium parallelism imachepetsa izinso kwa ntchito za batch.

Kodi ndingagwiritse ntchito gawo limodzi la MP4 audio ngati WAV?

Sichigwira ntchito mwanjira imeneyi — chotsani audio yonse ngati WAV, kenako mugwiritse ntchito /audio-trim/ kapena /audio-cutter/ kuti muchepetse gawo. Mtundu wa njira yokhala ndi ma step awiri umakhala wofulumira kuposa ntchito yophatikizika ndipo umakupatsani kuwongolera bwino kwa ma waveform.

Kodi fayilo yanga MP4 ndi yapadera pamene ndikuchotsa audio?

Inde - mtundu wofanana wa kuteteza deta monga pazosintha zonse: ogwira ntchito osiyana, palibe kuyankha kwa munthu, kuchotsa kwachidziwikire m'maola ochepa pambuyo pa kumaliza.

N'chifukwa chiyani fayilo ya WAV ili ndi zitseko zosadziwika pomwe MP4 ili ndi mawu?

Pafupifupi nthawi zonse kusankhidwa kwa ma streams opanda pake: MP4 anali ndi ma tracks ambiri a audio ndipo demuxer anasankha ma streams osatsegula kapena othandizira. Pezani "audio stream" wosankha kuti musankhe ma streams 0, 1, 2 mwatsatanetsatane, kapena kulenga WAV wokhala ndi ma tracks ambiri (FLAC, OGG).

Kodi ndingatenge WAV ngati stereo, mono, kapena 5.1 surround?

Chithunzi cha Channel chimasunga kuchokera ku MP4 mwa default - 5.1 MP4 chimatulutsa 5.1 WAV ngati WAV codec imathandizira (AAC, FLAC, OGG, Opus). Chosankha chotsika chimafuna stereo kapena mono - chothandiza kwa ntchito za podcast pomwe ma tracks ozungulira amawononga bitrate.