Guqula MP4 ukuba AAC

Guqula Eyakho MP4 ukuba AAC amaxwebhu ngokulula

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*Iifayile zicinyiwe emva kweeyure ezingama-24

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Iyalayisha

Indlela yokuguqula MP4 ukuba AAC

Inyathelo 1: Rhweba ngaphakathi MP4 iifayili usebenzisa iqhosha phezulu okanye nge shift nendawo.

Inyathelo 2: Nqakraza kwiqhosha 'Uguqulo' ukuqala uguqulo.

Inyathelo 3: Gcina ifayile yakho eguqulweyo AAC iifayile

MP4 ukuba AAC Imibuzo Ebuzwa Rhoqo Ngokuguqula

Ndiyikhupha njani i-audio kwifayili MP4 njenge AAC?

Layisha phezulu ifayili MP4 kwaye siyi-demux i-audio track, emva koko siyi-transcode kwi AAC. Akukho xesha lesibini levidiyo elidlulayo kwaye akukho lahlekelwa komgangatho ngaphezulu kwe-AAC codec ngokwayo.

I-AAC ifayili isebenzisa i-bitrate yesandi enjani?

I-AAC emiselweyo ye-bitrate yi-192 kbps (ibonisa ngaphaya kwengoma). Ungayicima i-320 kbps (i-audiophile) okanye i-96-128 kbps (ilizwi / ipodcast / ifayili encinci). Ukhetho luvela kwiinketho eziphambili.

Ingaba ndiya kulahlekelwa umgangatho wesandi xa ndisuka kwi-MP4 ukuya kwi-AAC?

Ukuba i AAC ifomati ayilahli (WAV, FLAC), ugcina yonke isampuli ngokuchanekileyo. Ukuba i AAC ilahlekile (MP3, AAC, OGG), i AAC codec iphinda icinezele — umgangatho uxhomekeke kwi-bitrate kunye nombhalo wesandi. Simiselwe kwi-192 kbps ebonisa ngaphaya kwazo zonke imixholo.

Ingaba i-AAC ekhutshweyo igcina i-sample rate yangaphambili?

Ngokungagqibekanga ewe — i-48 kHz yesandi yengoma kwi MP4 ivela kwi-48 kHz kwi AAC. Ukuba ufuna i-44.1 kHz (umgangatho we-CD) ukuhambelana nabadlali abadala, iinketho eziphambili ziquka i-sample-rate dropdown.

Ndingayikhupha i-audio kwiifayili ezininzi MP4 kwi AAC kwiqela elinye?

Ewe — susa isiqulathi seefayili MP4 ngaphakathi kwaye sikhuphe isandi ngokuthe tye. Abasebenzisi abaphezulu bafumana abasebenzi abathe tye abaninzi; kwifayili ye-50-iqela lento le yinto eyahlukileyo phakathi kweemizuzu engama-90 nemizuzu engama-8.

Ingaba ifayili AAC iya kuphawulwa ngesihloko / umculi / i-albham?

Ukuba i-MP4 iifayili iqulathe isahluko okanye i-metadata yokuhamba, siyakopa imihlaba yomculi / isihloko / i-albham kwi-AAC isiqulathi seefayili. Kungenjalo i-AAC ifayili ayiphawulwanga — sebenzisa umhleli we-tag (Mp3tag, Picard) emva korhwebo ngaphandle ukuba ufuna i-tags eninzi.

Ithatha ixesha elingakanani ukushenxisa i-AAC kwifayili ye-MP4?

Ukutsala isandi kukhawulezayo kakhulu kunokuphinda kubhalwe ikhowudi ividiyo - ngokuqhelekileyo 5-15% yobude bomthombo. Iyure ye-1 MP4 → AAC igqiba kwimizuzu ye-3-9 kwinkqubo eqhelekileyo.

Ndingayikhupha icala le-MP4 yesandi njenge-AAC?

Akukho kule sixhobo - khupha isandi esipheleleyo njenge AAC apha, emva koko sebenzisa /audio-trim/ okanye /audio-cutter/ ukucima icandelo. Umendo wenyathelo elinye uhlala ukhawuleza kunenkqubo edityanisiweyo.

Ingaba ifayili yam MP4 ifihlakeleyo xa ndikhupha isandi?

Ewe - imodeli yobumfihlo efanayo neyokuguqulwa ngasinye: abasebenzi ababekwe ngokuzimeleyo, ukucinywa okuzenzekelayo kwimizuzu, akukho hlaziyo lomxholo. Bona /privacy/.

Kutheni ifayili yam AAC isebenzisa izithuba ezingasebenziyo?

Iindawo ezizitshixo zithetha ukuba ifayili MP4 iqulethe ubeko lwesandi oluninzi lweengoma kwaye sikhethe umsinga ongafanelekanga. Sebenzisa ukhetho oluphambili "umsinga wesandi" ukukhetha ngokucacileyo umsinga 0, 1, njl.njl., okanye uphinde uhlanganise zonke iziqhagamshelanisi kwi-multi-track AAC isiqwenga ukuba AAC ixhasa oko.

Ingaba ukususwa kwe AAC ku stereo / mono / 5.1?

Ubeko lwesiqhagamshelanisi lugcinwa ukusuka kwi MP4 ngokumiselweyo — i-5.1 MP4 ivelisa i-5.1 AAC apho i-codec ixhasa khona (AAC, FLAC, OGG). Unganyanzelisa i-stereo okanye i-mono nge-channel-downmix option, esetyenziswa kwi-podcast workflow.

Ingaba i-AAC ekhutshiweyo iyadlala kwi-iPhone / Android / i-car stereo?

I-MP3 idlala naphi na. I-AAC / M4A idlala kwi-Apple neninzi ye-Android. I-OGG / Opus ifuna umdlali okutsha kwi-iOS. Iinketho eziphambili zibonisa "isixhobo" esimiselweyo esikhetha i-AAC codec enokuthi idlala kwinjongo yakho.