M4A Izixhobo

Guqula M4A ukuya nokubuya kwiifomathi ezahlukeneyo

Malunga M4A

I-M4A yifomati yefayile yomsindo esondeleleneyo neMP4. Ibonelela ngoxinzelelo oluphezulu lweaudio ngenkxaso yemetadata, iyenza ilungele usetyenziso olwahlukeneyo.

Iindlela Ezisetyenziswa Ngazo Eziqhelekileyo

iTunes music
Audiobooks
Podcast episodes

M4A Imibuzo Ebuzwa Rhoqo Ngokuguqula

Yintoni ifayili M4A?

M4A is an audio-only MPEG-4 container format, often used for AAC-encoded audio.

Ingaba umgangatho sele ulahlekile kwifayili M4A?

Into na leyo ikhowudi yokuqala yagqiba ukuyisusa, ayikwazi ukubuyiselwa. M4A icindezela ngokuyila into ethe indlebe ayizukuyiqaphela - iingoma ezimdaka ezihlala phantsi kwezi zikhulu, ukuphindaphinda kumazantsi okuva - kwaye isuse ngokusisigxina. Kwi bitrate elungileyo engaziwayo kuninzi lwaba bonke. Into engayiyo ibuyiselwa, ngoko ukuguqula kwifomati engalahleki igcina iimeko zangoku kunokuba ibuyisele eyakuqala. I-M4A igcina i-AAC kwiziganeko ezininzi, okanye i-Apple Lossless (ALAC) xa ivela kwi-rip engalahlekiyo.

Kutheni isandi sihlala sivale kwifowuni yam M4A?

Kuba isixhobo sefowuni sikhowudi nge chip kunokuba sikhowudi nge processor, kwaye le yifomati eyenziwe yi silicon. Iinkcukacha zesandi, imifanekiso yevidiyo, kunye nemiyalezo eqingqiweyo yonke ivela kwikhowudi efanayo, nto leyo eyenza ukuba banikezele kwifomati engasebenziyo nento oyenzayo. Idlala kwi Apple hardware ngaphandle kocinga kwaye ifuna ukuguqula kakhulu rhoqo naphi na.

Ingaba i-M4A ifayili iyakwazi ukuthwala i-5.1 surround mix?

Ewe - ifomati iphatha ngaphezulu kweendawo ezimbini zesandi ngokuchanekileyo, ngoko ke uthelekiso olujikelezayo lugcina ubeko lwesandi saso kunokuba luyihlole kwi-stereo kwindlela engaphakathi. Ukuba uthetha ngayo njenge-stereo ixhomekeke kwisiphelo eside: umfumani uya kuqokelela zonke iziqhagamshelanisi, ifowuni iya kuhlambulula ngexesha lokudlala ngaphandle kokungakhathali. Ukutshintsha kwifomati ye-stereo kuphela yenza ukuba uthelekiso luhlale.

Ingaba i-M4A iyadlala ngokuthe ngqo kwiphepha le-web?

Ewe. M4A iphakathi kwefomati zesandi ezimfutshane ezisuka kumkhangeli zincwadi, ngoko ke ingaqhutywa kwinxalenye yesandi okanye kumdlali wepodcast kwaye isebenza kuwo onke amacala ngaphandle koplugin okanye ifayile yokubuyisa. Oku kwenza ukuba ibe yinjongo yoshicilelo olukhuselekileyo, kwaye yiyo loo nto ukuguqula ushicilelo olunobungozi kule fomati kuqhelekileyo indlela efutshane yokufumana idlala kwiwebhusayithi. I-M4A igcina i-data ye-meta eninzi ye-iTunes-style, izihloko kunye nomsebenzi womzobi okhuselekileyo, kwaye yifomati yesandi esemthethweni kwisixhobo se-Apple.

Ingaba ndifuna i-Mac ukuze ndisebenze neefayili M4A?

Ayinaku. Ifomati yaphuma kwi-Apple kwaye yiyo into eyenzayo izixhobo zayo kunye nesoftware ngokumiselweyo, kodwa iifayile zihlala ziqhelekileyo kwaye zifunda kakuhle naphi na ngesixhobo esifanelekileyo. Ukutshintsha apha kwenziwa kumncedisi, ngoko akukho kufakwa kwe-QuickTime, akukho zixhobo ze-Apple kwaye akukho bhokisi ye-platform-ekhethekileyo ye-codec ibandakanyiwe naphi na kwinkqubo.

Yintoni i-bitrate ekufuneka ndiyiguqule iifayile zam M4A?

Uthelekiso lwendawo ebekwe kuyo, hayi umthombo. Kwingoma, 256 ukuya 320 kbps icacile kuye wonke umntu ofundayo; kwilizwi kunye nepodcasts, 96 ukuya 128 kbps ininzi kwaye iqulethe ifayile kwakhona. Ukunxulumana ngaphezulu komthombo we bitrate kusezantsi isithuba - igcina ngokunyanisekileyo isandi esisele sidlula kwindlela elahlekile kwaye ayibuyiseli nto ikhowudi yokuqala elahlekile.

Ingaba ukusebenzisa i M4A kudinga ilayisenisi yepateni?

Ayikuko kuwe. Ii codecs ezibandakanyiweyo ziquka iindidi zepateni, kwaye ilayisensi ibekwe ngabantu abathutha ii decoders - ifowuni, umkhangeli zincwadi, indlela yokusebenza - ixesha elide phambi kokuba ifayile ifike kuwe. Yiyo loo nto ifomati ikho kuyo yonke ihardware kwaye kutheni i royalty- free efana nayo ikhona, kwaye ayitshintshanga nto malunga nokuguqula ifayile oyinayo.

Ingaba ukutshintshela kutshintsha umyinge wesikhokelo sesandi sam M4A?

Ayinaku ukuba ungacela ukuba ikwenze. Uguqulelo lugcina umyinge wombhalo ophambili - 48 kHz uhlala 48 kHz, 44. 1 kHz uhlala 44. 1 kHz - kuba ukuphinda uthathe isampuli kubiza kakhulu umgangatho oncinci ngaphandle koncedo xa akukho nto ifunayo. Izixabiso ziyanele: ii CD zesandi zifuna 44. 1 kHz, abanye abadlali be hardware abadala bavuma akukho nto enye, kwaye imibhobho yelizwi ifuna 16 kHz. Cwangcisa umyinge ngokucacileyo kwezi meko kwaye uyishiye ikhululekileyo ngaphandle kokuba.

Ndingayinika kwakhona igama elipheleleyo lesiqendu endaweni yokuguqula i M4A?

Akukho nanye, kwaye ifanele ukuqonda kutheni: unikezelo luphawu, ngelixa i bytes ngaphakathi zidityaniswe kwifomati ekhethekileyo. Ukuphinda ubize ifayile ivelisa ifayile igama layo lithembisa into imixholo yayo ayinikezeli, kwaye nantoni na evula ifayile okanye ilahlekile ifayile okanye ifunda ngokungachanekanga. Ukuphela kwendlela efutshane kuhlobo olubini oluyinyani ibhokisi efanayo phantsi kwegama elahlukileyo - kwaye nalapho ukuphinda ubhale ngokuchanekileyo kukhuselekile kunegama elahlukileyo.

Yintoni eyenza i-M4A yam ifile emva kokuguqula?

Icima ngokuzenzekelayo. Ulayisho phezulu kunye nesiphumo esiguqulwe kancinane zihlala kumaseva ethu malunga neyure ezi-24, ezishiya ixesha lokulayisha ezantsi impumelelo, kwaye zisuswa ngokuzenzekelayo. Uthutho luya kuhamba ngaphezulu kwe HTTPS kumgca omnye nolunye. Akukho mntu ufunda okuqulethekayo, akukho nto ibhalwe kwisikhokelo, akukho nto igqityiwe komnye umntu.

Ithatha ixesha elingakanani ukutshintsha i-M4A?

Iiyure. Iifayile ezincinci zisebenza ngokukhawuleza, kwaye iimeko ezithatha ixesha elibonakalayo zizo ezizenza umsebenzi obonakalayo: ushicilelo olude olufuna ukuphinde kwenziwe ukukhowuda iframe nge frame, uxwebhu olushayiniweyo oluya kukwazisa uphawu, okanye iqela elikhulu kakhulu. apho uguqulelo luphinda lujikeleze okanye luphinde lupakishe i data ekhoyo ihlala ikhawuleza nokuba ifayile incinci kangakanani na, kuba akukho nto iguqulelwe kwikhowudi.