Guqula AAC ukuba M4A

Guqula Eyakho AAC ukuba M4A amaxwebhu ngokulula

Khetha iifayile zakho

*Iifayile zicinyiwe emva kweeyure ezingama-24

Guqula iifayile ezifikelela kwi-1 GB simahla, abasebenzisi bePro banokuguqula iifayile ezifikelela kwi-100 GB; Bhalisa ngoku

Iyalayisha

Indlela yokuguqula AAC ukuba M4A

Inyathelo 1: Layisha eyakho AAC iifayile usebenzisa iqhosha elingasentla okanye ngokutsala nokuwisa.

Inyathelo lesi-2: Cofa iqhosha elithi 'Guqula' ukuze uqalise ukuguqula.

Inyathelo lesi-3: Khuphela i-converted yakho M4A iifayile

AAC ukuba M4A Imibuzo Ebuzwa Rhoqo Ngokuguqula

Ndiyiguqula njani i-AAC yesandi ibe yi-M4A ngaphandle kokulahlekelwa umgangatho?

Layisha phezulu ifayili AAC kwaye umguquli wethu ukhetha M4A i-codec / uthelekiso lwe-bitrate oluhambelana nomcebo. Isiphelo esingalahliweyo (M4A = WAV / FLAC / ALAC) sigcina isampuli nganye; isiphelo esilahliweyo (M4A = MP3 / AAC / OGG / Opus) simiselwe kwi-192 kbps ebonisa ngaphaya kweendlebe ezininzi.

I-M4A ifayili isebenzisa i-bitrate enjani?

Okumiselweyo 192 kbps ye M4A elahlekile; idlula-ngaphaya (akukho bitrate yokucofa) ye M4A engalahleki. Nciphisa kwi 320 kbps yemveliso yeaudiophile, okanye 96 kbps yelizwi/podcast apho iifayile ezincinci zibalulekile ngakumbi kunenyani kwinqanaba eliphezulu.

Ingaba ukutshintsha ukusuka ku AAC ukuya ku M4A kuya kunyusa ubunjani besandi sam?

Ukuba AAC ilahlekile kwaye M4A ayilahleki (umzekelo MP3 -> WAV), ifayili M4A ayingcono kune AAC — awunakubuyisela ulwazi olusele luthunyelwe. Ukuba AAC ayilahleki kwaye M4A ilahlekile, i-M4A codec iphinda icinezele; kwi-192 kbps oku kucacile kuninzi lwezinto eziquletheyo.

Ingaba i-AAC ukuya kwi-M4A igcina i-ID3 / i-metadata tags?

Ewe — isihloko, umculi, i-albham, unyaka, inani lengoma, kunye nemifanekiso ye-albham efakwe ngaphakathi ifundwa ukusuka kwi AAC kwaye ibhalwe kwi M4A isiqulathi seefayili apho i-M4A ixhasa i-tags (ezizo zonke eziqhelekileyo).

Ndingaguqula izigidi zeefayili AAC zibe M4A?

Ewe - susa isiqulathi seefayili se AAC ngaphakathi kwaye siza kuziqhubekekisa ngokuthe tye. I-Pro inemisebenzi ethe tye eninzi kwaye akukho bukhulu befayili nganye obuphezulu, ngoko ke i-500-file batch igqiba kwimizuzu kunokuba iphele kwimizuzu emininzi.

Ingaba i-M4A iya kugcina inqanaba lesampuli elifanayo njenge-AAC?

Ngokungagqibekanga ewe (48 kHz AAC -> 48 kHz M4A). Ukuba ufuna ukunyusa isampulu yohambelana (umzekelo. 96 kHz -> 44. 1 kHz yokushicilela i CD) ukhetho oluphambili lwesampulu- umyinge uphatha oku nge-polyphase resampler esezingeni eliphezulu.

Ndingazilungisa njani ilizwi kwinyathelo AAC ukuya kwi M4A?

Ewe - ukhetho lokwenza lusebenze ngokuqhelekileyo ubukhulu busebenzisa ukwenziwa ngokuqhelekileyo kwe-ITU-R BS.1770 / EBU R128 kwimveliso ye M4A, ibeka injongo kwi-LUFS -14 (isiqhelo sokusasaza) okanye kwi-LUFS -16 (isiqhelo sepodcast). Isetyenziswa xa kutshintshwa iingoma ngemiphakamo emininzi yolawulo.

Ingaba i-M4A iya kudlala kwi-stereo yemoto yam / i-iPod / i-Sonos?

I-MP3 idlala kwihlabathi liphela. I-AAC idlala kwi-Apple, i-Android, kunye ne-Sonos. I-FLAC idlala kwi-Sonos kunye ne-Android ekutshanje, incinci kakhulu kwi-iPods edala. I-WAV idlala kuyo yonke into kodwa ikhulu. Iinketho eziphambili ziquka isixhobo esimiselweyo kwezi ntlawulo eziqhelekileyo.

Ingaba ifayili yam AAC ifihlakeleyo ngexesha lokuguqulwa?

Ewe — iifayile ezilayishwe phezulu AAC ziqhubekekiswa kubasebenzi abakhethekileyo kwaye zicinywe kwimizuzu. Asiyi kudlala, sigcine, okanye sisebenzise imixholo yesandi. Bona /privacy/ kwifestile yokugcina i-data.

Ithatha ixesha elingakanani ukutshintsha i-AAC yeyure enye ibe yi-M4A?

I-codec efanayo ye-re-mux: 10-30 imizuzwana. Yenza kwakhona ikhowudi kwi-codec eyahlukileyo: ngokuqhelekileyo 10-20% yobude bomthombo, ngoko ke i-1-iyure AAC -> M4A igqiba kwimizuzu engama-6-12 kwinkqubo eqhelekileyo yokuhambisa.

Kutheni i-M4A ifayili inamandla / ipholile kune-AAC imvelaphi?

Akukho tshintsho lokufumana oluzenzekelayo luza kwenzeka ngaphandle kokuba uvule ukhetho lokumisela ngokuqhelekileyo. Ukuba ubona utshintsho lomphakamo, umdlali wakho wesandi okanye ilayibrari yemidiya inokuba isebenzisa ukuphinda udlala ukufumana kwakhona okanye ukulungisa umkhondo ngamnye kukudlala — hayi nathi.

Ndingaguqula i-AAC i-downloads ibe yi-M4A?

Ukuba i-AAC ilayishwe ezantsi ingakhuselwanga (akukho DRM), ewe. Iifayili ezisasazwayo ezifihliweyo nge-DRM (i-Spotify, i-Apple Music) zifihliweyo kwinqanaba le-bit kwaye asikwazi ukuziqhubekekisa. Amacebo e-Bandcamp, i-SoundCloud, kunye nokulinganisa kobuntu buguqulwa kakuhle.