Guqula MP4 kuya M4A

Guqula Eyakho MP4 kuya M4A imibhalo kalula

Khetha amafayela akho

*Amafayela asusiwe ngemva kwamahora angu-24

Guqula amafayela afinyelela ku-1 GB mahhala, abasebenzisi be-Pro bangaguqula amafayela afinyelela ku-100 GB; Bhalisa manje

Ukulayisha

Indlela yokuguqula MP4 kuya M4A

Isinyathelo 1: Layisha eyakho MP4 amafayela usebenzisa inkinobho engenhla noma ngokuhudula bese uphonsa.

Isinyathelo 2: Chofoza inkinobho ethi 'Guqula' ukuze uqale ukuguqulwa.

Isinyathelo 3: Landa i-version yakho M4A amafayela

MP4 kuya M4A Imibuzo Evame Ukubuzwa Yokuguqulwa

Ngiyikhipha kanjani umsindo kusuka kuhele MP4 njenge M4A?

Layisha phezulu ihele MP4 futhi sizosusa umsindo, bese siwuguqula ube yi-M4A. Akukho sikhathi sevidiyo sesibili futhi akukho phutha lomgangatho ngaphandle kokukhishwa kwe-M4A codec.

Yini i-bitrate yomsindo isebenzisa ihele M4A?

I-lossy M4A ikhodwe ku-192 kbps ngokuzenzakalela. Uhlelo lwekhwalithi yomsindo lunikeza futhi 320 kbps ukuqinisekisa ukhwalithi enhle kanye ne-128 kbps ukuqinisekisa ifayela elincane. I-lossless M4A (WAV, FLAC) i ignore i-bitrate futhi igcine yonke isampula.

Ingabe ngizolahlekelwa ubunjani besandi uma ngisuka ku MP4 kuya ku M4A?

Uma M4A ingekho lutho (WAV, FLAC), yonke isampula igcinwa ngokugcwele. Uma M4A ingekho lutho (MP3, AAC, OGG, Opus), i-M4A codec icindezela futhi — ku-192 kbps lokhu kucacile cishe kuzo zonke izithameli. Ukubuyisela ubunjani obusele budlule ku-MP4 source akuvumelekile.

Ingabe i-M4A ekhishwayo igcina isilinganiso esijwayelekile?

Ngokuzenzakalela yebo — umculo we-48 kHz ku-MP4 uzoba 48 kHz ku-M4A. Uma ufuna i-44.1 kHz (umgangatho we-CD) ukuhambisana nabadlali abadala, izinketho eziphezulu zibonisa isilinganisi sesampula esiphansi esiphinda sisampule ngesihluzi esisezingeni eliphezulu.

Ingabe ngizokhipha umsindo kusuka ku MP4 amafayela amaningi kuya ku M4A ngeqembu elilodwa?

Amafayela amaningi emisebenzini eyodwa adinga iphrojekthi ekhokhelwa. Ukusetshenziswa okumahhala kuyisifayela esisodwa ngasinye sokuguqulwa, ukuguqulwa okufanayo ngehora. Kuphrojekthi ekhokhelwa ungangeza amafayela amaningi kumsebenzi owodwa, bese ulanda impendulo ngayinye yayo noma zonke ku-ZIP eyodwa.

Ingabe kuthatha isikhathi esingakanani ukukhishwa kwe M4A kusuka kuhele MP4?

Kuxhomekeka kubukhulu nesikhathi sohele. Amadokhumende amancane namasithombe avame ukulungiselelwa ngokushesha. Amavidiyo ade athatha isikhathi eside, ngoba amavidiyo aguqulwa aphinde akhode ifreyimu ngayinye.

Ingabe ngizokhipha kuphela isigaba se MP4 somsindo njenge M4A?

Akunalesi sisetshenziswa esifanayo — khipha umsindo wonke njenge M4A lapha, bese usebenzisa /audio-trim/ noma /audio-cutter/ ukucisha incazelo. Indlela yezinhlangothi ezimbili ishesha kunalokho okwenziwa ngokuxhuma ngoba sivimbela ukubuyisela emuva ihele lonke izikhathi ezimbili.

Ingabe ihele lami MP4 liyimfihlo ngesikhathi sokukhipha umsindo?

Yebo. Amafayela MP4 alayishwe phezulu aphathwa kumaseva ethu okuguqula, akukho muntu obhekana nawo, futhi angeke ahlukaniswe. Ukulayishwa kanye nokuguqulwa kwe M4A kususwa ngokuzenzakalela cishe amahora angu-24 ngemuva kokuguqulwa, okushiya isikhathi sokulanda imiphumela. Bona /privacy/ ukuphoqa okuphelele.

Kungani ihele lami M4A linezithuba ezingenalutho?

Ngokuvamile i-MP4 ithatha ngaphezu kwe-track yomsindo eyodwa futhi enye eyaguqulwa ihlala ikhululekile noma iyisithathu. Umguquli ukhetha i-track yomsindo eyodwa ngokuzenzakalela, ngokuvamile enye enkulu, futhi lekhasi alinazo izilungiselelo zokukhetha i-track eyahlukileyo. Uma enye engalungile iphuma, shintsha i-MP4 nge-track oyifunayo kuqala (i-VLC noma i-ffmpeg ingakwenza lokhu) bese uyiguqula futhi.

Ingabe i-M4A ekhishwayo idlala ku-iPhone / Android / isistereo semoto?

MP3 idlala cishe kuwo wonke amathuluzi. AAC idlala kumadivayisi we-Apple, amafoni amaningi we-Android ne-Sonos. OGG ne-Opus zidinga umdlali omusha ku-iOS kodwa zidlala ku-Chrome, Firefox ne-VLC. Akunazo izilungiselelo zedivayisi ezingaphambili kule khasi, ngakho khetha ifomethi efanele yomdlali wakho oxhasayo.