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 whakawātea i te oro mai i tōku pūranga MP4 hei MP2?

Whakataki i te MP4, ā, ka whakawātea te kaihanga i te rerenga oro, kātahi ka whakakōrerotia ki MP2. Kāore he whakawhitinga ataata tuarua - ka whakakoretia te rererangi ki te āhua o te whakawāteatanga, nā reira he tere ake 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 mokatere oro e whakamahia ana e te MP2?

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

Ka ngaro ahau i te āhua o te oro, e haere ana mai i te MP4 ki te MP2?

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

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

Mā te pūmau, ā, — 48 kHz te oro i roto i tōmu MP4 e noho ana 48 kHz i roto i te huaputa MP2. Mō te pūkōrero CD-burning, te pūkōrero rānei, ka taea e koe te whakawātea ki te 44.1 kHz mā te whakatata i te ōrite tauira; he mātauranga SoX-kitenga nui 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 tētahi pūrākau o ngā pūranga MP4, ā, ka tangohia e tātau te oro i te āhua ōrite. Ka whiwhi ngā kaiwhakamaori Premium ki ngā kaimahi ā-tōtahi kē atu; 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 / pūrākau ki roto i te MP2. Mēnā kāore, ka puta mai te MP2 kāore i te whakahuahua - ka whakamahia te kaiwhakawhanake tohu (Mp3tag, Picard) i muri i te whakahuahua mō te whakahuahua ā-whakahaere.

He maha te wā e tangohia ai te pūoro MP2 mai i tētahi wā 1-ora MP4?

He tere te reo demux + encoding — 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 minu i runga i te pūtautau paerewa; Ka whakaiti te whakatata Premium i tēnei i ngā mahi whakatōpū.

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

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

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

He — te tauira anō o te āhua o te āhua o ia huringa: kaimahi motuhake, kāore he arotakenga tangata, he whakakore ā-tōtika i roto i ngā minu o te whakamutu. Ko te matapihi o te tiakitanga i roto i /privacy/.

He aha te take i whakawāteatia ai te MP2 i te wā i whakangāwaritia ai te MP4?

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 pūrere, he pūrere, 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 taapiri ororongo e whakamahia nuitia ana mo te haapurororaa me te haapurororaa ororongo mamati (DAB).