M4A Zvishandiso

Kushandura M4A kuenda uye kubva kune akasiyana mafomati

Nezvedu M4A

M4A iine AAC audio muMP4 container uye ndiyo iyo iTunes neApple Music inoshandisa kune akarodha pasi mazita.

Mashandisirwo Akajairika

iTunes music
Audiobooks
Podcast episodes

M4A Mibvunzo Inowanzo bvunzwa Nezvekuchinja

Chii chinonzi M4A audio file?

M4A ndiro lossy audio format. The encoder anobvisa inaudible frequencies uye masked mashoko kuti vawane faira mavara pamusoro anopfuura imwe yegumi yeasina kumanikidzwa zvakaenzana. Re-encoding M4A kune mumwe lossy format zvinokonzera generational kuipa kwemhando; kushandura kubva ku lossless master kana zvichibvira. M4A ndiro yekutanga-class Apple audio format uye ndiro default for many iOS apps kusanganisira Voice Memos uye Music app.

Ndezvipi zvakaipa zvakaitika mu M4A faira?

Chii chacho chaive chisiripo, uye hachigone kudzoserwa. M4A chinomanikidza nekuisa zvinhu zvinokanganisa pfungwa - mashoko akachena ari pasi pemashoko akasimba, mafrequencies ari panzvimbo yekunzwa - uye kubvisa zvakaipa. Pa bitrate yakachengeteka iyo isiri kutaurwa nevanhu vese. Chii chisina kunaka chinogona kudzoserwa, saka kushandura kuita lossless format kunochengeta mamiriro ezvinhu azvino kupfuura kudzosera zvakaipa. An M4A iine AAC mumamiriro ezvinhu akawanda, kana Apple Lossless (ALAC) apo yakaita kubva ku lossless kurova.

Nei foni yangu ichichengeta zvese se M4A?

Nekuti foni inoshandura kune chero chinhu chine chip ichiita muhardware, uye M4A ndiyo iyo silicon yakavakwa. Kamera app haizozvibvunza — inonyora fomati iyo chigadzirwa chinogona kuburitsa pafull frame rate pasina kupisa. Kushandura mushure meizvozvo kunoitika uye hakubhadhari chero chinhu mumhando kana iwe ukasarudza chinangwa chinochengeta iyo imwechete payload. M4A ndiyo MP4 yekuchengetera iine mashoko chete, uye ndiyo iTunes, Apple Music uye iPhone Voice Memos app inogadzira.

Muimbi, album uye chipo chekuratidzira pa M4A yangu chinoramba chiripo?

Vanoita kuti iyo format yechinangwa ive nenzvimbo yekuisa. M4A inotakura mazita ezvinyorwa uye akaiswa mazita ezvinyorwa sechikamu chefaira, uye kushandurwa kunonyora pamusoro pese enzvimbo iyo nzvimbo inofunga. Mazita ezvinyorwa zvisina kumanikidzwa ndezvekuzvidza — vakapihwa mushure mekunge kunyorwa kwezita kwaive chinhu chinotarisirwa uye havana kuchengeta chero chinhu, saka library yakashandurwa nenzira iyi inosvika semusango ezvinyorwa zvisina zita.

Chii chinogona kuitika kana M4A faira riine 5.1 surround mix?

Ndinoda kuti uzive kuti kana iwe uchida kutamba mutambo wevhidhiyo, iwe unofanirwa kuisa iyo vhidhiyo muvhidhiyo player. Ndinoda kuti uzive kuti kana iwe uchida kutamba mutambo wevhidhiyo, iwe unofanirwa kuisa iyo vhidhiyo muvhidhiyo player. Ndinoda kuti uzive kuti kana iwe uchida kutamba mutambo wevhidhiyo, iwe unofanirwa kuisa iyo vhidhiyo muvhidhiyo player.

M4A ichatamba zvakananga muwebhu peji?

Yeah. M4A inosanganisira audio formats browsers decode natively, saka inogona kuiswa mu audio element kana podcast player uye inoshanda chero kupi pasina plugin kana fallback file. Izvi zvinoita kuti zvive nechokwadi chekuburitsa chinangwa, uye ndiyo imwe yezvikonzero zvekushandura kurecording kune iyi format inowanzo kuve nhanho pfupi yekuwana kutamba pawebhusaiti. M4A inoita kuti metadata, mabhuku, uye maartist arambe aripo, uye ndiyo audio format inoshandiswa neApple.

Ndinoda Mac kuti ndikwanise kushanda ne M4A mafaera?

Hapana. The format akabuda kubva Apple uye ndechipi zvayo zviwanikwa uye software kugadzirwa ne default, asi faira pachavo ndivo vanowanzoitika uye kuverenga zvakanaka dzimwe nzvimbo nezvokukurumidza chikuva. Kuchinjana pano kuitika pa server, saka hapana QuickTime kuisa, hapana Apple hardware uye hapana platform-specific codec pack inobatanidzwa chero kupi munzira.

Ndeipi bitrate inofanira kushandurwa kune yangu M4A faira?

Kuenzanisa chinangwa, kwete chikonzero. Kuti mutambire, 256 kusvika 320 kbps inoratidzika kune vese vanonzwa; kuti muite mashoko kana podcasts, 96 kusvika 128 kbps zvinokwana uye zvinovhara faira. Kunyora pasi pechikonzero chekunyora kunokuvadza nzvimbo — kunochengeta mashoko akapfuura nenzira yekuora uye hakudzosere chero chinhu chakatanga kunyorwa.

I M4A lossy kana lossless?

M4A inonzi lossy — encoder inotadza kubvisa data encoder pfungwa kuti zvive inaudible kuti vawane adiki faira saizi. M4A anobata maviri zvakasiyana zvinhu pamberi imwe kusvikira — lossy AAC uye lossless ALAC — uye kwete-Apple hardware rutsigiro hachisi chakafanana.

Chii ndinofanira M4A kushandura kuti kugoverana?

Kuti uwane vhidhiyo yakajeka, chinja M4A kuita MP3. M4A inonyanya kushandiswa mumitauro yese. Kana iwe uchida kushandura M4A kuita MP3, sarudza FLAC kana WAV.