MP4 → MP2

Tahurihia Tō MP4 Tuhinga o mua MP2 kōnae ngawari

Tīpakohia ō kōnae

Ka tangohia rānei ā-rānei ōna doke ki konei

Whakahaua: 1 Ka whakawhitinga/ora · Kāore i te whakawhāiti →

Tahurihia kia 1 GB ngā kōnae mō te kore utu, ka taea e ngā kaiwhakamahi Pro te tahuri ki te 100 GB ngā kōnae; Waitohu inaianei

Tukuatu ana

Me pēhea te huri MP4 Tuhinga o mua MP2

Hipanga 1: Tukuatu tō MP4 ngā kōnae mā te whakamahi i te pātene i runga ake nei, mā te tōia me te whakataka rānei.

Hipanga 2: Pāwhiritia te pātene 'Tahuri' hei tīmata i te tahuritanga.

Hipanga 3: Tikiake i tō mea kua tahurihia MP2 kōnae

MP4 Tuhinga o mua MP2 Ngā Pātai Auau mō te Tahuritanga

He pēhea te tango i te oro mai i tōku MP4 pūranga hei MP2?

Whakataki i te MP4 me te whakarerekētanga o te whakarerekētanga i te rerenga oro, kātahi ka whakakōrerotia ki MP2. Kāore he whakawhitinga ataata tuarua - ka whakakoretia te rererangi ki te āhua o te whakateretanga i te wā kotahi, kia tere ake ai te whakawāteatanga i te whakakōrerotanga katoa. Ko MP4 te ISO/IEC 14496-14, i paerewa i te tau 2001, ā, i puta mai i te āhua o te kāwai pēnei i te QuickTime e whakamahia ana e MOV. Ko te MP2 te MPEG-1 Audio Layer II, te apa i mua i te MP3, a, ka noho te paerewa oro mō te whakataka DVB me te DAB.

He whakawhitinga te MP4 ki te MP2 he porowhita tuarua o te whakawhāiti ngaro?

Heoi, ā, e tika ana te whakarite i te taha. He ngaro nga āhuahira e rua, nā reira ko te MP2 encoder e mahi ana mai i te oro, kua puta kētia e tētahi whakawhitinga psychoacoustic, ā, ko ōna whakataunga anō e whakakotahi ana i te tautuhi tuatahi. I te 192 kbps, i runga ake rānei i te hua, he mārama tonu te hua mō te nuinga o te whakarongo. Mēnā kei a koe tētahi māngai kore ngaro i tētahi wāhi, ka whakakōrerotia te MP2 mai i tērā, ka ārai katoa i te whakawhitinga rua. Tata tonu ki ia MP4 i te mohoao he ataata H.264 me te oro AAC; kei roto hoki i te kāwai he HEVC, AV1 me VP9. He ngaro te MP2 engari he ngāwari ake te whakamahi i tētahi tātari pūtea i te MP3, i te nuinga o te wā e haere ana i te 192 ki te 384 kbps.

He aha te bitrate oro e whakamahia ana e te MP2?

Ko te bitrate pūmau mō te ngaro MP2 ko te 192 kbps, he mārama mō te pūoro. Ka taea e koe te whakahōu ki te 320 kbps (pūoro), 96-128 kbps rānei (whakaaho / podcast / pūranga iti ake). Ka puta te bitrate i roto i ngā kōwhiringa tiketike i mua i te kōwhiri i te tahuri.

Ka ngaro ahau i te āhua o te oro mai i te MP4 ki te MP2?

Mēnā he kore ngaro te MP2 (WAV, FLAC), ka tiakina ngā tauira katoa ki te tika. Mēnā he ngaro te MP2 (MP3, AAC, OGG, Opus), ka whakawhāiti anō te codec MP2 te pūtake oro — i te 192 kbps he mārama te hua mō te nuinga o ngā ihirangi. Ka haere te ngaro → kāore e whakaora ana i ngā taipitopito kua whakakoretia.

E pupuri ana te MP2 oro i te mokatere tauira taketake?

E whakawhirinaki ana — 48 kHz te oro i roto i tōna MP4 e noho ana 48 kHz i roto i te MP2 huaputa. Mō te pūkōrero CD-burner, te pūkōrero rānei, ka taea e koe te whakamōhio ki te 44.1 kHz mā te whakaroa o te ōrite tauira; He mātauranga SoX-kitenga te tātai.

Ka taea e au te whakawātea i te oro mai i ngā pūranga maha MP4 ki MP2 i roto i tētahi rōpū?

He — ka tangohia he pūrākau o ngā pūranga MP4, ā, ka tangohia e tātau te oro i te taha kotahi. Ka whiwhi ngā kaimahi utu nui ake i ngā kaimahi taha kotahi; i runga i te 50-file batch ko tēnei te rerekētanga i waenganui i ngā minu me ngā minu tekau.

Ka tohu te MP2 me te taitara / kaitapere / metadata pūranga?

Mēnā ka mau te MP4 i te wāhanga, i te metadata rānei o te rerenga, ka tārua tātau i ngā āpure taitara / kaitapere / pūranga ki roto i te MP2. Mēnā kāore, ka puta mai te MP2 kāore i te whakahuahua - hoatu i tētahi kaiwhakawhanake tohu (Mp3tag, Picard) i muri i te whakahuahua mo te whakahuahua ā-wai.

He maha te roa o te whakawātea i te MP2 oro mai i te MP4 wā 1?

He tere te whakahua reo + whakahua - i te nuinga o te 5 ki te 15% o te roanga pūtake. Ko te 1-ora MP4 → MP2 e whakamutu ana i roto i te 3 ki te 9 min i runga i te pūtautau paerewa; Ka whakaiti ake te whakahua Premium i tēnei mō ngā mahi rōpū.

Ka taea e au te whakawātea i tētahi wāhanga anake o te MP4 oro hei MP2?

Kāore i roto i tēnei utauta — ka tangohia te oro katoa hei MP2, kātahi ka whakamahia te /oro-trim /, /oro-kutter / rānei hei whakaiti i te wāhanga. He tere ake te ara e rua-ki tētahi mahi whakakotahi, ā, ka hoatu ki a koe te mana tika o te taumata-whakamoho.

He tūmataiti te MP4 o ahau i te wā o te whakawāteatanga oro?

He — te tauira anō o te ātetetanga pēneia huringa: kaimahi motuhake, kāore he arotakenga tangata, he tango ā-pūmau i roto i ngā minu o te whakaotitanga. Ko te matapihi tauwhāiti o te tiakitanga i runga i te / ātetetanga/.

He aha te take i noho ai te MP2 i te mokowā mārō i reira te MP4 i whai oro?

Tata tonu ki te tīpakonga rerekē i ngā wā katoa: MP4 he maha ngā pūrere orooro, ā, i kōwhiria e te demuxer tētahi rererangi wātea, kore rānei. Ka whakamahia te kōwhiringa "pūrere orooro" hōhonu hei kōwhiri i te rererangi 0, 1, 2 mārama, ki te ūnga rānei i tētahi MP2 kāwai e tautoko ana i te huaputa rererangi maha (FLAC, OGG).

Ka taea e au te pupuri i te MP2 hei tauine, he tauine, he 5.1 rānei?

Ka tiakina te papatū kanikani mai i te MP4 i te pūmau - ka whakaputaina e te 5.1 MP4 he 5.1 MP2 mēnā ka tautokona e te codec (AAC, FLAC, OGG, Opus). Ko te kōwhiringa whakakore e whakahau ana i te stereo, i te mono rānei - whai painga ki ngā rerenga mahi podcast i reira ka ngaro te bitrate o ngā pūrere huri noa.

MP4

Ka taea e te hōputu ipu MP4 te pupuri i ngā ataata, oro, hauraro, me ngā whakaahua i roto i te kōnae kotahi me te kōpeketanga tino pai.

MP2

Ko te MP2 (MPEG Audio Layer II) he whakatakotoranga puoro ororongo e whakamahia nuitia ana mo te haapurorotanga me te haapurorotanga ororongo mamati (DAB).