Tweak MP4 Speed

Yemahara Online MP4 Speed Changer

Sarudza mafaira ako

*Mafaira adzimwa mushure memaawa makumi maviri nemana

Kutamba

Shandura mafaira anosvika 1 GB mahara, vashandisi vePro vanogona kushandura mafaira anosvika 100 GB; Nyorera izvozvi

Kuisa

Maitiro ekuchinja Speed of MP4

1 Upload the MP4 videos you want to retime.

2 Choose a multiplier — 0.5x for half speed, 2x for double — staying roughly inside 0.75x to 2x if the content is speech.

3 Kufamba; nguva-kutambanudza inochengeta mutambo, saka mashoko anogara zvakatipoteredza kwete transposing pamusoro.

4 Dhawunirodha faira rakagadziridzwa MP4 nechifananidzo uye mweya wakachengetwa musync.

Tweak MP4 Speed Mibvunzo Inowanzo bvunzwa

Maitiro e Change MP4 Speed anochinja sei kutamba kwemutambi?

Kusiyana, kuratidzwa kwenguva zvinodzokororwa uye mashoko anodzokororwa kuti aenzane nechinzvimbo chakachengetwa, saka vhidhiyo nemashoko anoramba ari mu sync; makuru ekuwedzera kwesimba anobvisawo maframes asingakwanisike sezviri nyore kupfuura kungotamba navo nekukurumidza. Choose multiplier - 0.5x for half speed, 2x for double - uye iyo faira yose inodzokororwa.

Kuisimudzira kuchaita kuti mazita aite seanotonhora?

Hapana. Time-stretch inochengeta kureba, saka 1.5x mashoko track anonzwa semunhu mumwe chete achitaura nekukurumidza kupfuura sechipmunk. Izvi ndezvimwe zvezvikonzero nei time-stretch ichishanda zvakanaka uye kuti inotamba mifananidzo nekukurumidza.

Ko iyo source format inokonzeresa iyo result?

MP4 ndiyo yakanakisisa yekutumira chigadzirwa: H.264 video ine AAC audio inotamba pafoni, browser uye TV pasina codec pack. Chii chinopa kuti kana iyo retimed result inogona kunyorwazve zvakachipa kana kuti inofanirwa kudzokororwa zvakakwana.

Chii chinokosha kune MP4 pano?

Yeah — MP4 inogara neindex yayo mumoov atom, saka kurodha-kunyora kuchinja kunosvika-nguva uye mhedzisiro ichiri kutsvaga zvakanaka mubrowser. Inokosha kuziva usati wazvipira kune shanduko huru yesimba.

Ndezvipi zvinoda kuti ndiite kuti ndiwane mukana wekuzvipira?

Kusvika 0.75x kusvika 2x ichokwadi kune mashoko. Pashure pe2.5x, zvishongedzo zvinotanga kuonekwa pane chero algorithm, uye pasi pe0.5x, kudzokorora kunoda kutsvagisa zvakanyanya. Muzika unotonhora zvakanyanya kupfuura mashoko.

Chifananidzo neSound inogara iri muSync?

Yeah. Both are retimed neimwe nzira muimwe chiitiko, saka havagone kubuda zvakasiyana — iyo ndiyo yakajairika kukundikana kana speed yakachinja nekugadzirisa maviri mapurojekiti zvakasiyana.

Chii chandinogona kurodha pasi ku Change MP4 Speed?

MP4, MOV, MKV, WebM, AVI, WMV, FLV, 3GP, M4V, MPEG uye MPG. The chigaro uye codec zvinoongororwa pamberi chero chinhu runs, saka a mixed batch anodzorwa zvakanaka per file rather than assumed to be uniform.

Pane chero faira resize limit pa Change MP4 Speed?

Yeah: mapurogiramu emahara anogadzira mavhidhiyo kusvika ku 40 MB pafaira, nekudaro, iyo yakanyanya kuwanda chivharo pawebhusaiti; ffmpeg nex264, x265 uye libvpx inoita basa, iyo imwecheteyo toolchain yakati wandei desktop video software. Video ndeyeimwe mhuri iyo chivharo chiri pamusoro pekukwira nguva yekutumira, kwete huwandu, ndechekuti iwe uchaona.

I Change MP4 Speed ichadzikisa mhando ye MP4 videos yangu?

Zvinoenderana nekuti kana basa richida kudzokororwa kwekodzero. Maitiro anongobata chete chigaro kana nguva inoitwa sekopi yemvura uye vhidhiyo inowanzova nebit-identical kune iyo nzvimbo. Chii chaunoda kudzokorora maframes chinoenda kuburikidza ne x264/x265 pamhando yemhando iwe yaunosarudza, uko CRF 23 inoratidza zvakajeka pane akawanda mavhidhiyo.

Ndinogona sei kuisa Change MP4 Speed pane akawanda MP4 videos panguva imwe chete?

Uploads queue muparallel, izvo zvinokosha zvikuru pano kupfuura chero kwauri nekuti video mabasa ndezvemaminitsi kwete masekondi. Free accounts run imwe faira panguva; a pass rinosimudza kuti.

Chii chinoitika kune audio, subtitles, uye chapter tracks?

Multi-track audio, embedded subtitle tracks uye chapter markers kurarama chero kupi zvako iyo chinangwa chibhorani anogona kuvaratidza - kuti ndicho chikuru chinhu chinoparadza zvakanaka basa kubva naive re-encode kuti chisingaperi anoita chete track imwe.

Change MP4 Speed inodhura here?

No. Change MP4 Speed ndeyemahara pasina akaunti, uye iyo output haina mvura, hapana corner logo uye hapana intro card. Yakakwira video inogadziriswa kubva kune vashandi mushure mekunge basa rapera.