Guqula MP3 kuya M4A

Guqula Eyakho MP3 kuya M4A amadokhumende ngokulula

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Indlela yokuguqula MP3 kuya M4A

Isinyathelo 1: Layisha eyakho MP3 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

MP3 kuya M4A Imibuzo Evame Ukubuzwa Yokuguqulwa

Yini oyenzayo i-MP3 kuya ku-M4A umguquli womsindo?

It re-encodes a MP3 audio file as M4A. Sample rate and channel count are preserved; the difference is the codec and container.

Ingabe isilinganiso sesampula kanye nesimo sesixhumi sigcinwa?

Ngephutha yebo — i-stereo ihlala i-stereo, isilinganiso sesampula sakuqala (44.1 kHz, 48 kHz, njll.) sithunyelwe ku-M4A output.

Ingabe MP3 kuya ku M4A ukuguqulwa kubuyiselwa emuva?

Ungaguqula i-M4A emuva ku-MP3 kule site. Uma ifomethi eyodwa ilahlekile, i-round-trip ayilungile noma ngabe ibukeka noma izwakala ifana.

Yini ikhwalithi yesipiliyoni okufanele ngilinde kusuka ku-MP3 kuya ku-M4A?

Izilungiselelo ezizenzakalelayo zidinga ukusakazwa / ukhwalithi ye-web — ngokubona kufana nomthombo weningi labasebenzisi. Ukusetshenziswa kwegobolondo, khetha ukhetho lwekhwalithi ephezulu kuzinhlelo zokushintsha.

Ingabe ukushintsha MP3 kuya ku M4A kuyingxenye yesithathu yokucindezela okulahlekile?

Yebo, futhi kufanelekile ukuhlela. Izifomethi zombili ziyi-lossy, ngakho-ke i M4A encoder isebenza kusuka kumsindo osele udlulele esinye isikhala se-psychoacoustic, futhi iziphakamiso zayo zihlanganisa isiqephu sokuqala. Ku-192 kbps noma ngaphezulu, imiphumela ihlala icacile kakhulu. Uma une master engalahlekelwa yilutho, ukukopisha i M4A kusuka lapho kunciphisa isikhala esimibili ngokuphelele. MP3 ilahlekelwa: imodeli ye psychoacoustic isusa iziqongo ezingezona ezivamile, ezivame ukuba ngu-128 kuya ku-320 kbps. M4A igcina i-AAC emibonweni eminingi, noma i-Apple Lossless (ALAC) uma ivela ku-lossless rip.

Yini okushoyo ihele M4A?

Ibhokisi lemisindo ngaphakathi kwalo, hhayi i-audio ngokwayo. Lo mbhalo ongeziwe uhlala lapho ubude, umbiko wokufuna kanye nanoma yimiphi imininingwane ye-metadata ifomu lichaza khona, ngakho umdlali ungazi ukuthi i M4A ihlala isikhathi esingakanani ngaphambi kokuqothula ifremu eyodwa endaweni yokuskena ihele lonke ukuze ufunde. Lokhu kusho futhi ukuthi ubukhulu abukwazi ukuxazulula okungaphakathi: amabhokisi amaningi anjalo avunyelwe ukuphatha okungaphezu kwehlobo elinye lomsindo, ngakho amafayela amabili M4A angasebenza ngendlela ehlukile ngenkathi ebona ngokufana ngaphandle.

Eningi le MP3 lemihele livela kuma CD — ngabe lokhu kuthinta lapha?

Kulokhu kuphela ukuthi ukukopela kudlulele. MP3 okuqokwa kusuka ku-diski kwacindezelwa nganoma yisiphi isivinini se-bit esibekwe yi-ripper eminyakeni edlule, futhi lokho kuyi-top of the list kunoma yini esuka phansi - ukushintshana akukwazi ukubuyisela lokho okuqokwa kukhuphuke. Uma ama-diski akhona ethekwini, ukushintshana kabusha kufomethi engalahleki nokukopela kusuka lapho kunikeza imiphumela engcono kunanoma iyiphi i-conversion yefayela elikhona. MP3 yi MPEG-1 Audio Layer III, eqediwe ngo-1993, futhi ikhona ifomethi yomsindo ekwazi ukuconywa ngokugcwele.

Ingabe MP3 imahhala ukuyisebenzisa nokusakaza?

Yebo, ngaphandle kwezimo ezifanele ukukhathazeka ngazo. Ulwazi olucacisiwe luyiqiniso, wonke umuntu angafaka umbhalo-mbhalo noma umbhalo-mbhalo oguquliwe ngaphandle kokubuza noma ukukhokha, futhi akukho muntu ongashintsha la mazwi ngemuva - ngakho-ke kuvela ku-open-source tooling, kuma-engine wemidlalo nakwezinye izindawo lapho i-license negotiation ibulala iphrojekthi. Ukushintshana isuka kuyo akuyibuyisela emuva lokho; amafayela akhona ahlala ngokugcwele njenge-useable njengoba bekhona.

Ingabe M4A ifomethi ye-Apple kuphela?

Kuvela ku-Apple futhi kuyeka khona. M4A yilokho i-Music app ne-iTunes Store ehlala khona, ngakho-ke kuyiphutha kunoma iyiphi idivayisi ye-Apple nokuthi kungani isibonisi sifunda njenge-Apple — kodwa isibonisi esingezansi siyisimo esivulekile, futhi yonke ifoni yamanje, isiphequluli, isimoto seyunithi yekhanda kanye nomdlali wemidiya ufunde. Akukho lutho olungenayo ukufakela futhi akukho isofthiwe ye-Apple ehlobene nokukhiqiza enye lapha. M4A yi MP4 ibhokisi elimaza umsindo kuphela, futhi lokhu iTunes, Apple Music kanye iPhone Voice Memos app kukhiqiza.

Ingabe kunesikhawulo sobukhulu befayela uma uguqula i-MP3 ibe yi-M4A?

Ukuthunyelwa okungaziwa kuvunyelwe ngokuzenzakalela; ama-akhawunti abhalisiwe amahhala athola umkhawulo ophezulu, futhi ama-akhawunti we-Pro angeke abe ne-limit yefayela ngalinye. Umlando wesiphequluli uvame ukuba ngumkhawulo osebenzayo ngaphambi kokuba umkhawulo wethu we-server-side uqale.

Ingabe ngingenza ukuguqulwa kwe-batch kwefayela le-MP3 elilodwa libe yi-M4A?

Yebo. Thola noma khetha amafayela amaningi we-MP3 ku-upload eyodwa — umguquli usebenza ngazo ngokufanayo futhi ubuyisela i-ZIP yemiphumela ye-M4A. Akunasidingo sokuphinda isikhashana sokufaka ihele ngalinye.

Yini ezoba namafayela ami MP3 ngemuva kokuguqulwa?

Amafayela alayishiwe kanye ne-M4A outputs zisuswa ngokuzenzakalela ngemuva kwefasitela lokugcinwa okuncane. Asihlolanga, asihlukanisi, noma siqeqeshe amafayela womsebenzisi. Ama-download links aqondile angaphansi kwesikhathi esilinganiselwe futhi axhunywe kwinhlanganiso yakho.

MP3

Amafayela e-MP3 asebenzisa ukucindezela okulahlekile ukunciphisa usayizi wefayela ngenkathi kugcinwa ikhwalithi yomsindo eyamukelekayo kubalaleli abaningi.