MP4 → MP2

Sinthani Yanu MP4 ku MP2 mafayilo mosavuta

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Kukweza

Momwe mungasinthire MP4 ku MP2

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 MP2 mafayilo

MP4 ku MP2 Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingapeze bwanji audio kuchokera ku fayilo yanga ya MP4 ngati MP2?

Ikani fayilo ya MP4 ndipo wosintha amachotsa mpweya wa audio, kenako amasintha ku MP2. Palibe gawo lachiwiri la kanema - mndandanda wowoneka umathetsedwa mofulumira, chifukwa chake kutulutsa kulibe pang'onopang'ono kuposa kubwezeretsa kwathunthu.

Kodi ndi mtundu uti wa audio bitrate womwe MP2 wowonjezeredwa amagwiritsa ntchito?

Default bitrate for lossy MP2 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 MP2?

Ngati MP2 ndi yopanda kusowa (WAV, FLAC), zonse zimasungidwa moyenera. Ngati MP2 ndi yowonongeka (MP3, AAC, OGG, Opus), codec ya MP2 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.

Kodi MP2 audio imasunga kuchuluka kwa sampling?

Mwa default yes — 48 kHz audio mu MP4 yanu imakhala 48 kHz mu MP2 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 MP2 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 MP2 idzafotokozedwa ndi metadata ya mutu / woimba / album?

Ngati MP4 imabweretsa gawo kapena metadata ya stream, timakopera dzina / woimba / album fields ku MP2 container. Ngati sichoncho, MP2 imatuluka osadziwika - kugwiritsa ntchito wolemba tag (Mp3tag, Picard) pambuyo potumiza kunja kwa tagging yochuluka.

Kodi ndi nthawi yayitali bwanji kuchotsa MP2 audio kuchokera ku 1-hour MP4?

Audio demux + encode ndiyabwino - nthawi zambiri 5 mpaka 15% ya nthawi yoyambira. 1-hour MP4 → MP2 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 MP2?

Sichipezeka m'chida ichi mwachindunji - chotsani audio yonse ngati MP2, 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 MP2 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 MP2 wokhala ndi mavidiyo ambiri (FLAC, OGG).

Kodi ndingatenge MP2 ngati stereo, mono, kapena 5.1 surround?

Chithunzi cha Channel chimasunga kuchokera ku MP4 mwa default - 5.1 MP4 chimapanga 5.1 MP2 ngati MP2 codec imathandizira (AAC, FLAC, OGG, Opus). Chosankha chotsika chimafuna stereo kapena mono - chothandiza kwa ntchito za podcast zomwe zimathamanga zowonongeka.

Kodi MP2 yosakira idzasewera pa iPhone, stereo yagalimoto ndi Sonos?

MP3 imasewera kulikonse ndi zero yogwirizana ndi vuto. AAC imasewera pa Apple, ambiri a Android, ndi Sonos. OGG / Opus iyenera kukhala ndi wosewera waposachedwa pa iOS. Kusintha kwa chipangizo chosinthika chimasankha MP2 codec yomwe ingakhale yoyenera kusewera pa hardware yanu yoyenera.