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Tahuri MP4 Tuhinga o mua MP2

Tahurihia Tō MP4 Tuhinga o mua MP2 tuhinga ngawari

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Tukuatu ana

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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 tētahi MP4 pūranga hei MP2?
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Whakataki i te MP4 me te whakarerekē i te rererangi oro, kātahi ka whakawaeheretia ki MP2. Kāore he whakawhitinga ataata tuarua, ā, kāore he ngaronga āhuatanga i tua atu i te MP2 codec.
Ko te bitrate pūmau MP2 ko te 192 kbps (whakarerekere mō te pūoro). Ka taea e koe te whakahōu ki te 320 kbps (pūoro), 96-128 kbps rānei (whakaaro / podcast / pūranga iti iho). Ka whakaaturia te kōwhiringa i roto i ngā kōwhiringa tiketike.
Mēnā he kore ngaro te MP2 hanga (WAV, FLAC), ka pupuri kētia e koe ia tauira. Mēnā he ngaro te MP2 (MP3, AAC, OGG), ka whakawhāiti anō te MP2 codec — kei te āhua o te hua ki te bitrate me te pūtake oro. Ka whakawhirinaki tātau ki te 192 kbps e mārama ana mō te nuinga o ngā ihirangi katoa.
Mā te pūmau, ā, he 48 kHz te whakaterenga oro i roto i te MP4 ka noho hei 48 kHz i roto i te MP2. Mēnā e hiahiatia ana e koe te 44.1 kHz (kākā CD-quality) mō te ōritetanga ki ngā kaiwhakaari tawhito, kei roto i ngā kōwhiringa tiketike he whakaterenga ōrite tauira.
He — ka tangohia he pūrākau o ngā pūranga MP4 ki roto, 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 rōpū 50-reo, ko te rerekētanga i waenganui i te 90 waeine me te 8 minu.
Mēnā he wāhanga, he metadata rerenga rānei te MP4, ka tārua tātau i ngā āpure kaitapere / taitara / pūrākau ki roto i te MP2. Mēnā kāore, kāore te MP2 i te tātaitai — hoatu i tētahi kaiwhakawhanake tohu (Mp3tag, Picard) i muri i te whakanaotanga mēnā e hiahiatia ana e koe ngā tohu nui ake.
He tere ake te whakawāteatanga oro i te whakawaenga anō o te ataata — i te nuinga o te 5–15% o te roanga pūtake. Ko te 1-ora MP4 → MP2 e whakamutu ana i roto i te 3–9 min i runga i te pūtautau paerewa.
Kāore i roto i tēnei utauta — ka tangohia te oro katoa hei MP2 i konei, kātahi ka whakamahia te /oro-trim /, /oro-kuter / rānei hei whakaiti i te wāhanga. He tere ake te ara e rua-ki tētahi mahi whakakotahi.
He — te tauira anō o te āhua o te āhua o ia huringa: kaimahi motuhake, te tango ā-tō
Ko te tikanga o ngā mokowā whakamātautau, he āhua oro-maha te MP4, ā, i kōwhiria e tātau te rerenga hē. Ka whakamahia te kōwhiringa tiketike "rerenga oro" hei kōwhiri tika i te rerenga 0, 1, ērā atu mea, ka whakawātea rānei i ngā rerenga katoa ki tētahi kāwai-maha MP2 mēnā MP2 e tautoko ana i tēnei.
Ka tiakina te papatū kanikani mai i te MP4 e te pūmautanga — ka whakaputaina e te 5.1 MP4 tētahi 5.1 MP2 kei reira e tautoko ana te codec i a ia (AAC, FLAC, OGG). Ka taea e koe te whakahauhau i te pūrere, i te pūrere rānei mā te kōwhiringa kanikani-iti, e whai ana ki te rerenga mahi podcast.
Ka tākaro te MP3 i ngā wāhi katoa. Ka tākaro te AAC / M4A i runga i te Apple me te nuinga o te Android. E hiahiatia ana e OGG / Opus tētahi kaiwhakaari hōu i runga i te iOS. Ko ngā kōwhiringa tiketike e whakawātea ana i tētahi "whakahaere" e kōwhiri ana i te MP2 codec e tino pānui ana i runga i tō rātou ūnga.

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

MP2 is the audio layer that predates MP3, still used in digital radio and broadcast because decoding is cheap and robust.

MP2 Ngā Kaitahuri

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