Chinja M4A kuti AAC

Chinja Yako M4A kuti AAC Documents with ease

Chidza mafaera ako

*Mafaira adzimwa mushure memaawa makumi maviri nemana

Shandura mafaira anosvika 1 GB mahara, vashandisi vePro vanogona kushandura mafaira anosvika 100 GB; Nyorera izvozvi

Kuisa

Maitiro ekushandura M4A kuti AAC

Danho 1: Isa yako M4A mafaira uchishandisa bhatani riri pamusoro kana nekudhonza nekudonhedza.

Danho rechipiri: Dzvanya bhatani rekuti 'Convert' kuti utange kushandura.

Danho rechitatu: Dhawunirodha yako yakashandurwa AAC mafaira

M4A kuti AAC Mibvunzo Inowanzo bvunzwa Nezvekuchinja

I M4A kusvika ku AAC kushandurwa kuri kudzokera?

Iwe unogona kushandura AAC kuma M4A pane iyi saiti. Kana imwe yemhando dziri kutaurwa iri nematambudziko, iyo round-trip haisi bit-perfect kunyangwe ichionekwa kana kutaurwa.

Ndeipi mhando yemufananidzo ndinofanira kutarisira kubva kuM4A kusvika kuAAC?

Default settings target broadcast / web quality — visually identical to the source for most viewers. For archive use, pick the highest quality option in the converter settings.

Kushandura M4A kuenda ku AAC ndeimwe yekupedzisira yekuvhara kunonoka?

Yeah, uye zvinokosha kutarisira. Both formats are lossy, so the AAC encoder is working from audio that has already been through one psychoacoustic pass, and its own decisions compound the first set. At 192 kbps or above the result is still transparent for most listening. If you have a lossless master anywhere, encoding the AAC from that instead avoids the double pass entirely. An M4A iine AAC mumamiriro ezvinhu akawanda, kana Apple Lossless (ALAC) apo yakaita kubva ku lossless kurova. AAC ine kushaya simba asi iri nyore kushandisa kupfuura MP3, uye inochengeta kusvika pa48 machannels zvakananga sezviri, kwete sezvaiita stereo.

Chii chakakodzera kuti chiite AAC faira?

A bare run of encoded audio frames with no container wrapped around them. That's why two AAC files can usually be joined by simply putting one after the other, and equally why everything beyond the audio itself — a length, a seek index, cover art — has to be bolted on as a convention rather than being part of the format, so a player often has to read the entire file to work out how long it is. It's about the simplest thing that can be called an audio file, which is exactly why it turns up inside other containers more often than on its own.

Nei foni yangu kana tafura yainge yarekodha mu M4A?

Nekuti ndezvekuti iyo hardware encoder pachigadzirwa chinogadzira. Mifananidzo yezwi, kurodha skrini uye vhidhiyo yezwi yezvose zvakagadzirwa nefoni zvinobuda se M4A pasina munhu achizvisarudza, izvo zvinoita kuti zvinyorwa zvakawanda zviende mukati mechirongwa ichi uye kuti sei mhando inowanzova yakanaka kupfuura saizi yechirongwa ichi. Hapana chinhu chinoita kuti chigadziriso chirege kuchinja; zvinoreva chete kuti chigadzirwa chakanyorwa kamwe chete, nechip yakagadzirirwa kurarama kwebhatiri kupfuura kuvimbika. M4A ndiyo MP4 yekuchengetera iine mashoko chete, uye ndiyo iTunes, Apple Music uye iPhone Voice Memos app inogadzira.

Nei vamwe ve M4A mafaera angu vachingosanganiswa?

DRM. Zvimwe zve M4A mafaera zvinovharwa nekutengesa kana software yakaburitsa mafaera aya, uye mafaera akavharwa haazogone kuvharwa neimwe nzira. Chimwe chinhu chawakatora iwe pachako, chawakarekodha, kana chawakatenga pasina kuchengetedzwa chinovharwa zvakajairika; chigadzirwa chakapihwa mvumo hachizoitirwa izvi. M4A anochengeta maviri zvakasiyana zvinhu pamberi imwe kusvikira — lossy AAC uye lossless ALAC — uye kwete-Apple hardware rutsigiro hachisi chakafanana.

Pane chitupa chakaiswa pa M4A?

Hapana mumwe iwe unofanira kufunga nezve. The codec inosanganisira patent pools, uye kubvumidzwa kunogara nemunhu wese anotumira decoder — foni, browser, operating system — nguva yakareba mushure mekunge faira inosvika kwauri. Izvi ndizvo zvinoita kuti format iite muhardware, uye nei royalty-free alternatives dzakavakwa pazvinenge zvaitwa. Izvi hazvina kuchinja chero chinhu nezvekushandura faira yawakawana, uye ndezvekuti ndezvemubvunzo wakasununguka kana iwe uchitumira encoder iwe pachako.

Chii chinopa zita re AAC?

Mufananidzo we MPEG-4 unoratidza kuti MPEG-4 standards yakagadzirirwa kugoverwa nevanhu vese, kwete chete nekambani, asiwo nevanhu vasingazvifariri. AAC yakagadzirirwa nevanhu vepasi rose, saka vatambi, vagadziri vefoni, vatengesi vebrowser, uye vatengesi vekutumira mavhidhiyo, vese vakashandisa iyo document yese, kwete kubvumidza munhu mumwe chete kuita zvinhu. Izvo zvinoitika zvinonyadzisa uye zvinonakidza: AAC zvakagadzirwa neimwe nzira inoshandura zvakafanana muimwe, uye hapana mutengesi anokwanisa kubvisa rutsigiro rwake. AAC inonzi Advanced Audio Coding, yakanyorwa muna 1997 se MPEG-2 Part 7 uye yakagadzirwa kuti igadzirise MP3.

Ndeipi huwandu hwefaira rinogona kushandurwa kubva ku M4A kuenda ku AAC?

Free conversions vane kureba kurambidzwa faira, akaiswa nemhando faira, uye peji inokuudza kana faira iri pamusoro. A paid plan removes that limit, so much larger files can be converted.

Ndinogona kushandura akawanda M4A mafaera ku AAC panguva imwe chete?

Zvimwe faira muimwe basa vanofanira kubhadharwa chirongwa. Free kushandisa ndeimwe faira per conversion, imwe conversion paawa. Pachirongwa chakabhadharwa unogona kuwedzera akawanda faira kune imwe basa, wobva warodha pasi chero chikonzero pamwechete kana vese vavo muZIP.

Chii chinoitika kune yangu M4A faira mushure mekushandurwa?

Uploaded faira zvinogadziriswa patsika yedu yekushandura servers, hapana munhu anotarisa pavo, uye havana kugoverwa. The upload uye yakashandurwa faira vaviri zvakavharwa otomatiki pamusoro 24 mazuva mushure mekushandura, iyo inotorwa nguva kurodha pasi chikonzero. Ona /privacy/ yemutemo wakadzama.

Ndeapi maapps anogona kutamba faira re AAC?

AAC inotamba mumazhinji emabhaisikopo, mabhurawuza, uye mapurogiramu e media. iTunes / Apple Music, VLC, Foobar2000, uye maapplication efoni emitambo anobata zvakananga.