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 ndingapeze bwanji audio kuchokera ku fayilo yanga ya MP4 ngati WAV?

Ikani fayilo ya MP4 ndipo wosintha amachotsa mpweya wa audio, kenako amasintha ku WAV. Palibe gawo lachiwiri la kanema - mndandanda wowoneka umathetsedwa mofulumira, chifukwa chake kutulutsa kulibe pang'onopang'ono 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 yomwe yatulutsidwa kale nthawi yoyamba yolemba, ndikuyika zomwe zilibe kanthu WAV zimasunga zomwezo - sizowonjezera. 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'mphepete mwa desiki osewera.

Kodi ndi mtundu uti wa audio bitrate womwe WAV wowonjezeredwa amagwiritsa ntchito?

Default bitrate for lossy WAV is 192 kbps, which is transparent for music. You can override to 320 kbps (audiophile) or 96-128 kbps (voice / podcast / smaller file). The bitrate dropdown is exposed in the advanced options before you click convert.

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

Ngati WAV ndi yopanda kusowa (WAV, FLAC), zonse zimasungidwa moyenera. Ngati WAV ndi yowonongeka (MP3, AAC, OGG, Opus), codec ya WAV imabwezeretsa ma audio ochokera - pa 192 kbps zotsatira zake ndizosawoneka bwino kwa pafupifupi zonse zomwe zili. Kupita kwa lossy → lossless sikubwezeretsanso deta yomwe yatulutsidwa kale. WAV nthawi zambiri amasunga raw uncompressed PCM - aliyense sample anatenga moyenera, pa zimene bit kuwala ndi sampling rate anathawa.

Kodi WAV audio imasunga kuchuluka kwa sampling?

Mwa default yes — 48 kHz audio mu MP4 yanu imakhala 48 kHz mu WAV output. Kuti mugwiritse ntchito CD- burning kapena kugwirizana kwa osewera oyambirira, mutha kulowetsa ku 44.1 kHz pogwiritsa ntchito sample- rate dropdown; resampler ndi yopanda malire SoX- grade.

Kodi ndingagwiritse ntchito ma audio kuchokera ku MP4 mafayilo ambiri kupita ku WAV mu bajeti imodzi?

Yai - chotsani fayilo ya MP4 ndikupanga ma audio mofanana. Ogwiritsa ntchito premium amalandira ogwira ntchito mofanana; pa fayilo ya 50-file batch iyi ndi kusiyana pakati pa maola angapo ndi maola asanu ndi awiri.

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

Ngati MP4 imabweretsa gawo kapena metadata ya stream, timakopera dzina / woimba / album fields ku WAV container. Ngati sichoncho, WAV imatuluka osadziwika - kugwiritsa ntchito wolemba tag (Mp3tag, Picard) pambuyo potumiza kunja kwa tagging yochuluka.

Kodi ndi nthawi yayitali bwanji kuchotsa 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 izi kuwonjezera pa ntchito za batch.

Kodi ndingagwiritse ntchito gawo limodzi la MP4 audio ngati WAV?

Sichipezeka m'chida ichi mwachindunji - chotsani audio yonse ngati WAV, kenako kugwiritsa ntchito /audio-trim/ kapena /audio-cutter/ kuti muchepetse gawo. Mtunda wa maulendo awiri nthawi zambiri umathamanga kuposa ntchito yophatikizidwa ndipo imakupatsani kuwongolera bwino kwa waveform-level.

Kodi fayilo yanga MP4 ndi yapadera nthawi yochotsa audio?

Yes — chitsanzo chimodzimodzi cha kuteteza deta monga pazosintha zonse: ogwira ntchito osiyana, palibe kuyankha kwa munthu, kuchotsa kwachidziwikire m'maola ochepa a kumaliza.

Nchifukwa chiyani fayilo ya WAV ili ndi ma gaps osakwiya pomwe MP4 anali ndi mawu?

Kuphatikiza apo, nthawi zambiri kumasankhidwa bwinobwino: MP4 ili ndi mavidiyo ambiri ndipo demuxer idasankha mavidiyo opanda pake kapena othandizira. Mutha kugwiritsa ntchito "audio stream" wosankha kuti musankhe mavidiyo 0, 1, 2 mosasamala kanthu, kapena kulenga WAV wokhala ndi mavidiyo 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 chimapanga 5.1 WAV ngati WAV codec imathandizira (AAC, FLAC, OGG, Opus). Chosankha chotsika chimafuna stereo kapena mono - chothandiza kwa ntchito za podcast zomwe zimathamanga zowonongeka.