MP4 → M4A

Maida Naka MP4 zuwa M4A fayiloli da wahala

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Ana lodawa

Yadda ake canzawa MP4 zuwa M4A

Mataki na 1: Loda naka MP4 fayiloli ta amfani da maɓallin da ke sama ko ta hanyar ja da sauke su.

Mataki na 2: Danna maɓallin 'Maida' don fara hira.

Mataki na 3: Sauke fayil ɗin da aka canza M4A fayiloli

MP4 zuwa M4A Tambayoyin da ake yawan yi game da Canzawa

Ta yaya zan fitar da sauti daga fayil ɗin MP4 na kamar M4A?

Ka shigar da fayil MP4 kuma mai maida zai demuxes saurin sauti, sa'an nan ya sake shi zuwa M4A. Babu wata hanyar bidiyo ta biyu - ana cire wakar gani da wuri don haka fitarwa zai fi sauri fiye da sake-saukar da shi gaba ɗaya. MP4 ne ISO/IEC 14496-14, standardized a cikin 2001 da kuma dauke daga irin QuickTime akwatin zane MOV amfani. M4A ne a MP4 jakar da audio kawai, kuma shi ne abin da iTunes, Apple Music da iPhone Voice Memos app samar.

Mene ne bitrate ɗin sauti da aka fitar da M4A ke amfani da shi?

A lossy M4A is encoded at 192 kbps by default. The Audio Quality setting also offers 320 kbps for the best quality and 128 kbps for a smaller file. A lossless M4A (WAV, FLAC) ignores the bitrate and keeps every sample.

Shin zan rasa ingancin sauti idan na canza daga MP4 zuwa M4A?

Idan M4A ba'a rasa shi ba (WAV, FLAC), za'a kiyaye kowace misali daidai. Idan M4A ana rasa shi (MP3, AAC, OGG, Opus), codec ɗin M4A zai sake ƙunsar sauti na asali — a 192 kbps sakamakon zai zama bayyananne ga kusan dukkan abun ciki. Zuwa da rashin asara → babu asara ba zai sake komai ba daga bayanin da aka manta da shi. A M4A riƙe AAC a cikin mafi yawan lokuta, ko Apple Lossless (ALAC) idan ya zo daga wani lossless rip.

Shin zan iya fitar da sauti daga fayiloli masu yawa MP4 zuwa M4A cikin wani bangare guda?

Fayiloli da yawa a cikin aiki ɗaya suna buƙatar shirin da aka biya. Amfani mai kyauta shine fayil ɗaya a kowace canji, canji ɗaya a kowace sa'a. A cikin shirin da aka biya zaka iya ƙara fayiloli da yawa zuwa aiki ɗaya, sa'an nan ka sauke kowane sakamakon kan kansa ko duk su a cikin ZIP ɗaya.

Menene lokacin da ake buƙata don fitar da sauti M4A daga MP4 na awa 1?

Wannan yana dogara da girma da tsawon fayil. Waɗannan takardun shaida da hotuna suna da sauri. Bidiyo masu tsawo suna da tsawo, saboda mafi yawan canja wurin bidiyo na sake enkodin kowace firam.

Shin zan iya fitar da wani ɓangare na sauti na MP4 kamar M4A?

Ba a cikin wannan kayan aiki kai tsaye ba — cire sauti mai cikakke kamar M4A, sa'an nan kuma amfani da /audio-trim/ ko /audio-cutter/ don kakkabe sashe. Hanyar matakai biyu tana da sauri fiye da aiki mai haɗawa kuma tana ba ka daidaitaccen kulawa na mataki na siffar tarwatsa.

Shin fayil ɗin MP4 na sirri ne yayin fitar da sauti?

Yes. Uploaded MP4 files are processed on our own conversion servers, no person reviews them, and they are never shared. The upload and the converted M4A are both deleted automatically about 24 hours after the conversion, which leaves time to download the result. See /privacy/ for the full policy.

Me ya sa fayil M4A na da kurakurai na ɓoyewa inda MP4 na da sauti?

%s: A halin yanzu, MP4 na da fiye da wata hanya guda ta sauti kuma wadda aka canza ita ce ta ɓoye ko ta biyu. Mai canzawa yana zaɓar hanya guda ta sauti ta atomatik, a halin yanzu ita ce ta farko, kuma wannan shafi ba ta da wani tsari na zaɓar hanya daban. Idan wata ba daidai ba ta fito, za ka iya sake haɗa MP4 da hanya da kake so a farko (VLC ko ffmpeg na iya yin wannan) kuma ka sake canza ta.

Shin an fitar da M4A zai iya wasa a kan iPhone, stereo na motar, da Sonos?

MP3 wasa kusan duk inda. AAC wasa a kan Apple na'urorin, mafi yawan Android wayoyin salula da Sonos. OGG da Opus bukatar wani sabon mai wasa a kan iOS amma wasa a Chrome, Firefox da VLC. Ba su da wani na'ura presets a kan wannan shafi, don haka zaɓi da manufa format ka mai wasa goyon baya. M4A riƙe arziki iTunes-sha'ani metadata, sashe da kuma zane intact, kuma shi ne na asali audio format a kan dukan Apple na'ura. M4A ɓoye biyu abubuwa daban-daban a bayan daya zurfi - lossy AAC da lossless ALAC - da non-Apple kayan aiki goyon baya ne ba daidai ba.

MP4

Tsarin kwantena na MP4 zai iya ɗaukar bidiyo, sauti, ƙan bayanai, da hotuna a cikin fayil guda tare da matsi mai kyau.

M4A

M4A ne audio fayil format cewa shi ne a hankali alaka da MP4. Yana ba da matsi mai inganci mai inganci tare da tallafi don metadata, yana mai da shi dacewa da aikace-aikace daban-daban.