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 ndingagwiritse ntchito bwanji audio kuchokera ku fayilo yanga ya MP4 ngati MP2?

Kutsitsa fayilo ya MP4 ndipo wosintha amasintha mpweya wa audio, kenako amasintha ku MP2. 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. MP2 ndi MPEG-1 Audio Layer II, latsopano la MP3 ndi MP3 ndi mtundu wa audio standard kwa DVB ndi DAB kufalitsa.

Kodi kusinthira MP4 ku MP2 ndi gawo lachiwiri la kutsitsa kwa lossy?

Ndikukhulupirira kuti ndinu oyenera, ndipo ndibwino kuti mupange. Mafomu awiriwa ndi owonongeka, choncho MP2 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 MP2 kuchokera ku yomwe imalepheretsa kupitanso koyamba. Zikuoneka kuti pafupifupi aliyense MP4 m'munda ndi H.264 kanema ndi AAC audio; chidebenso mwalamulo ali HEVC, AV1 ndi VP9. MP2 ndi lossy koma amagwiritsa ntchito zosatheka filterbank kuposa MP3, nthawi zambiri ntchito pa 192 mpaka 384 kbps.

Kodi bitrate ya audio yomwe yatulutsidwa ndi MP2 imagwiritsa ntchito?

A lossy MP2 ndi encoded pa 192 kbps mwamsanga. The Audio Quality kukhazikitsanso amapereka 320 kbps kwa zabwino kwambiri ndi 128 kbps kwa wapamwamba wamkulu. A lossless MP2 (WAV, FLAC) amasiya kuganizira bitrate ndi kusamalira zonse samples.

Kodi ndidzataya mtundu wa audio kuchokera ku MP4 kupita ku MP2?

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

Kodi ndingagwiritse ntchito ma audio kuchokera ku MP4 mafayilo ambiri kupita ku MP2 m'modzi?

Mavidiyo ambiri m'modzi ntchito ayenera kulipira ndondomeko. Free kugwiritsa ntchito ndi imodzi wapamwamba pa kusintha, imodzi kusintha pa ola. Pa ndondomeko yolipira mukhoza kuwonjezera angapo owona kuti ntchito imodzi, ndiye download zotsatira zonse pamodzi kapena onse awo mu ZIP imodzi.

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

Kukula kwa kanema ndi nthawi yobwezeretsa kumadalira kukula kwa fayiloyo, ndipo nthawi zambiri imatenga masiku 10 mpaka 15. Mavidiyo ochepa ndi zithunzi zimatha kubwezeretsedwanso m'maola ochepa.

Kodi ndingagwiritse ntchito gawo limodzi la MP4 audio ngati MP2?

Sichigwira ntchito mwanjira imeneyi — chotsani audio yonse ngati MP2, 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?

Yes. Uploaded MP4 owona amachitidwa pa zipangizo zathu zosiyanasiyana, palibe munthu kuganizira iwo, ndipo iwo si nthawi zonse anagawana. Upload ndi zosinthidwa MP2 onse anataya mwamsanga za 24 maola pambuyo kusintha, zomwe zimasiya nthawi kuti download zotsatira.

N'chifukwa chiyani fayilo ya MP2 ili ndi zitseko zosadziwika pomwe MP4 ili ndi mawu?

Mwachidule, MP4 amatenga nyimbo zambiri kuposa imodzi ndipo imodzi yomwe idasinthidwa ndi yosalankhula kapena yachiwiri. Wosintha amasankha nyimbo imodzi mwamsanga, mwachidule, imodzi yoyamba, ndipo patsambali palibe kukhazikitsa kuti musankhe nyimbo ina. Ngati imodzi yosayenera ikubwera, remix MP4 ndi nyimbo yomwe mukufuna kumbuyo (VLC kapena ffmpeg angachite izi) ndi kusinthidwanso.