MP3 → MP4

E kōwhiri ana e koe tēnei, nā te mea kāore he whakaahua i roto i te oro. Ko te pūmau he whakarārangi momo ngaru takoto, ā, ka taea e koe te whakarato i tētahi whakaahua tūturu i reira - te toi whakawhāiti, he kāri taitara, he whakaahua - e pupuritia ana mō te roanga katoa. Ko te mea e whakataki ana te faila ki ngā papatono whakaata anake kāore e whakaaetia ana he whakataki oro. Ko MP4 te ūnga whakawhiwhinga tino haumaru rawa - ko ia whatunga, kaitiaki, pāpāho, kaiwhakawhanake me te Smart TV i hangaia i roto i te tekau tau i muri mai e whakawhiwhia ana ki te kore pūmanawa tāpiri.

Ki te mea e whakaae ana te MP4 kōwae ki te pūtake o te pūoko oro, ka tāruatia te rerenga i te kore e pā ki te āhua o te bit-identical. Ki te kore, ka whakakōrerotia te oro kotahi ki tētahi mea e whakaae ana te MP4, i te mokatere bit e ōrite ana ki te pūtake kia iti iho ai te utu o te whakawhitinga tuarua. He ngaro te MP3: ko te tauira ā-hinengaro e whakakore ana i ngā auautanga kāore e taea e te oro te mōhio, i te nuinga o te wā i te 128 ki te 320 kbps. 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 iti iho te nui ake, mēnā e whakamahia ana e koe te whakaahua tūturu pūmau. Ko te tāruatanga o tētahi tāruatanga kotahi ki te kore e tata ki te roa katoa nā te mea he ōrite ia tāruatanga ki te whakamutunga, nā reira ka whakahaeretia te faila e te rererangi oro. Mā te kōwhiri i tētahi āhua haurangi whakairoiro i te wāhi e tāpiri ai te raraunga ataata tūturu, ā, ka taea te rua, te toru rānei te hua.

Ko te nuinga o te wā. Ko te taitara me te kaiwaiata e mahere ana ki ngā āpure metadata o te pūrere ataata, ā, ko te toi kāwai i whakarārangitia he āhua tūturu mō te whakaahua tūturu e whakaatu ana te ataata. Ko ētahi atu mea katoa - te tau rererangi, te pūrākau, te tau, te momo - kāore he tauwāhi ōrite i roto i tētahi pūranga ataata, ā, ka whakawāteatia i te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te āhua o te

He — he wāteatanga ā-pūnaha o MP3 → MP4 kāore i te hiahiatia kia whakarārangitia. Ka tāpiri te utu ki ngā tepe nui ake i ia-reo, he nui ake ngā kaimahi whakatōpū, he roa ake te pupuri, ā, ka tangohia ngā whakapuakitanga.

Ko ngā kāwanatanga wātea: tae atu ki te 100 MB ia MP3. Whakawhiwhinga: i te nuinga o te 1 GB ia pūranga, i runga anō i te momo pūtake. Ka wehea ngā pūranga nui ki ngā wāhanga pāpāho-pāpāho ina whakaaetia e te āhua MP4.

Ka pupuri te tahuri i ngā mōhiohio katoa ka taea e MP3 me MP4 te tohu. Ko ngā āhuatanga ā-āhuatanga kāore e taea e te MP4 te tohu (hei tauira, ko ngā raraunga raupapa i roto i te huaputa raster, ngā tātai i roto i te huaputa kupu-pūnoa) ka whakarārangitia, kua whakawāteatia rānei — ko te rārangi o te hua o te pātū e huri ana.

He — he maha ngā pūkete MP3 ki te rohe tāpiritanga, ā, ka whakatūtūtia rātau i te raupapa. He nui ake ngā kaimahi whakahuatahi e mahi ana i te utu; i runga i te rōpū 50-hōpū, ko tēnei te rerekētanga i waenganui i ngā minu me ngā takirua.

Heoi — He urupare te UI, ā, ka haere te whakawhitinga i te taha hoapā, kia whakatakia ai ngā pūrere poke-kātahi ka whakatakia pēnei i ngā papamuri. iOS me ngā kaipāho Android (roller kāmera, taupānga Files) e mahi ana i te mutunga ki te mutunga.

Chrome, Firefox, Safari (15+), Edge, me Opera. Ka whakamahia e te kaiwhakarere te paerewa `<input type="file">` whakaata - kāore he WebAssembly, he whakawhirinaki rānei ki te PWA - nō reira ko ngā kaitoro tahito e mahi ana ki te whakataka i tētahi MP3 me te whakataki i te MP4.

He — e whakaata ana ngā pūranga MP3 i whakarewaina i roto i ngā kaimahi motuhake, ā, ka tangohia i roto i ngā minu. Kāore anō tātau ki te kite, ki te pupuri, ki te tiritiri rānei i ngā ihirangi. Ko te matapihi tūturu i te /privacy/. Kāore he mea e whakawātea ana i te MP3 mō te ōritetanga — ko ngā pūrere waka, ngā pūrere ā-rohe, ngā DAP me ngā pūrere o te rua tekau tau e whakaako ana i a ia me te kore pātai.