WMA → M4A

Chinja Yako WMA kuti M4A mafaira pasina simba

Sarudza mafaira ako

kana kudhonza uye kubvisa mafaera ako pano

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Kuisa

Maitiro ekushandura WMA kuti M4A

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

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

Danho rechitatu: Dhawunirodha yako yakashandurwa M4A mafaira

WMA kuti M4A Mibvunzo Inowanzo bvunzwa Nezvekuchinja

Ndinogona sei kushandura WMA audio kuenda ku M4A pasina kushaya mhando?

Upload the WMA file and the converter chooses the M4A codec and bitrate to match the source. Lossless M4A (WAV / FLAC / ALAC) inochengeta yega yega sample bit-identical; lossy M4A (MP3 / AAC / OGG / Opus) defaults to 192 kbps which is transparent for most ears. WMA iine kushaya simba nechinangwa, muASF chigaro, ne lossless uye mashoko-optimised zviuru izvo zvinoitika rarely. An M4A iine AAC mumamiriro ezvinhu akawanda, kana Apple Lossless (ALAC) apo yakaita kubva ku lossless kurova.

Kushandura WMA kuenda ku M4A ndeimwe yekupedzisira rondedzero yekumanikidza kwekumanikidza?

Yeah, uye zvinokosha kutarisira. Mafomati maviri ari kushaya, saka encoder M4A ari kushanda kubva kune audio iyo yaive yapfuura neimwe psychoacoustic pass, uye pfungwa dzayo dzinoumba yekutanga seti. Pa 192 kbps kana kupfuura, iyo mhinduro ichiri yakajeka kune vazhinji vanonzwa. Kana iwe uine master isina kushaya chero kupi, encoding the M4A kubva kune iyo inodzivirira double pass zvakakwana.

Nei vamwe ve WMA mafaera angu vasingashanduri?

DRM. Chimwe chikamu che WMA mafaera anovharwa nekutengesa kana software yakaburitsa iwo, uye akavharwa maaudio haagone kugadziriswa neimwe converter. Chii zvaunogona kubvisa iwe pachako, kurodha pasi, kana kutenga pasina dziviriro inoshandura zvakajairika; chibvumirano chekutenga hachizove. WMA haitsigirwe zvakakwana chero kupi kunze Windows, uye vadiki WMA mafaera anogona kutakura DRM kuti anobata kushandurwa zvakakwana.

Ndeipi bitrate iyo iyo M4A faira ichashandisa?

Zviri pachena kuti 192 kbps ndezvekuipa M4A; kusvikira kwasvika kwakanyanya M4A. Dzokera ku 320 kbps kana uchida kutamba kana 96 kbps kana uchida kutamba. Kusarudza kunochinja saizi yefaira neyekutaura; pasi pe 96 kbps, kuipa kunoonekwa mumimhanzi.

Kuenda kubva ku WMA kuenda ku M4A kunoderedza mhando yangu yeaudio?

Kana WMA iri nematambudziko uye M4A haina matambudziko (semuenzaniso MP3 → WAV), M4A haina matambudziko kupfuura WMA — haugone kudzosa ruzivo rwakaiswa pasi. Kana WMA iri nematambudziko uye M4A ine matambudziko, M4A codec inodzosera; pa192 kbps, iyo mhedzisiro inoratidza zvakajairika zvemukati.

Ichi chikonzero nei iyo WMA kusvika ku M4A converter inochengeta ID3 / metadata tags?

Yeah - zita, muimbi, album, gore, nhamba yemufananidzo, uye album art inoverenga kubva ku WMA container uye inonyora mu M4A container uko fomati inotsigira ma tags. All common targets (MP3, AAC, FLAC, OGG) handle tags fine; raw WAV does not. M4A ndiyo MP4 yekuchengetera iine mashoko chete, uye ndiyo iTunes, Apple Music uye iPhone Voice Memos app inogadzira.

Ndinogona kushandura zviuru zve WMA mafaera kuita M4A?

Yeah - bvisa folder ye WMA mafaera uye isu tinozvigadzirisa zvakapararira. Premium ine akawanda akapararira vashandi uye hapana kumanikidza kwefaera, saka batch ye500-file inosvika muminetsi kupfuura makumi emakore.

I M4A ichachengeta iyo imwechete sampling rate se WMA?

Nekuzvimisikidza hapana — 48 kHz WMA inoramba 48 kHz mu M4A. Kana iwe uchida kushambadza pasi kuti ugone kuwirirana (96 kHz → 44.1 kHz kune CD yekunyora), sarudzo ye sampling-rate inoshandisa kushambadzazve kwemhando yepamusoro mune imwe encoding pass.

Ndinogona here kushandura kusimba kwezwi kana ndichishandura WMA kuenda ku M4A?

Yeah — loudness-normalize sarudzo inoshandisa ITU-R BS.1770 / EBU R128 normalization kune M4A, ichitarisa -14 LUFS (streaming standard) kana -16 LUFS (podcast standard). Zvakanakira kana uchibata mabhaisikopo akaomarara pazviyero zvakasiyana.

Ndichatamba sei M4A yangu pafoni yemotokari, iPod, uye Sonos?

MP3 plays everywhere. AAC plays on Apple, most Android, and Sonos. FLAC plays on Sonos and Android but not on older iPods. WAV plays on everything but is huge. The advanced device-preset dropdown picks an M4A codec optimized for your target hardware. M4A inoita kuti metadata, mabhuku, uye maartist arambe aripo, uye ndiyo audio format inoshandiswa neApple. M4A anobata maviri zvakasiyana zvinhu pamberi imwe kusvikira — lossy AAC uye lossless ALAC — uye kwete-Apple hardware rutsigiro hachisi chakafanana.

Ndiani yangu WMA faira yakachengeteka panguva yekushandura ku M4A?

Yeah — akakwira WMA mafaera anogadziriswa muzvirongwa zvakasiyana uye anogadziriswa mukati memasekondi. Hatina kutamba, kuchengeta kwenguva refu, kana kugovera zvemavhidhiyo. Iyo yakazara yekuchengetera window iri mu /privacy/.

Ndeipi nguva yekushandura 1-hour WMA kuenda ku M4A inotora?

Re-mux ye codec imwechete: 10 kusvika 30 masekondi. Re-encode kune codec imwecheteyo: 10 kusvika 20% yenguva yekushanda, saka 1-hour WMA → M4A inopera mu 6 kusvika 12 maminitsi. Batch mabasa anoparallel pakati pevanoshanda kuti vagadzirise zvishoma.

WMA

WMA (Windows Media Audio) iodhiyo yekumanikidza fomati yakagadziriswa neMicrosoft. Inowanzo shandiswa kutenderera uye online mimhanzi masevhisi.

M4A

M4A iodhiyo faira fomati ine hukama neMP4. Iyo inopa yepamusoro-mhando yekutsikirira nerutsigiro rwemetadata, ichiita kuti ive yakakodzera kune akasiyana maapplication.