MP4 → AC3

Guqula Eyakho MP4 ukuba AC3 iifayile ngokulula

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Iyalayisha

Indlela yokuguqula MP4 ukuba AC3

Inyathelo 1: Layisha eyakho MP4 iifayile usebenzisa iqhosha elingasentla okanye ngokutsala nokuwisa.

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

Inyathelo lesi-3: Khuphela i-converted yakho AC3 iifayile

MP4 ukuba AC3 Imibuzo Ebuzwa Rhoqo Ngokuguqula

Ndiyikhupha njani kuphela i-audio track ukusuka kwi MP4 njenge AC3?

Layisha phezulu ifayili MP4 kwaye umguquli ukhupha umsinga wesandi ukusuka kwisiqulathi seefayili MP4, emva koko uguqula ikhowudi ibe yi AC3. Ii-frames zevidiyo zilahliwe — akukho xesha lesibini lokudlulisa ividiyo, akukho lahlekelwa komgangatho ngaphezulu kwento ekhoyo kwi-AC3 codec.

Ingoma yesandi eyiphi ephumayo xa MP4 yam iqulethe ezininzi?

Ngokungagqibekanga umsinga 0 (umkhondo wokuqala wesandi, ngokuqhelekileyo umxube omkhulu). Ukuba i-MP4 yakho ithatha iinkcazelo, i-dubs, okanye i-audio echazayo kwiimvavanyo ezongezelelweyo, umkhethi ophambili "umsinga wesandi" ukuvumela ukuba ukhethe 1, 2, 3... ngokucacileyo. Uluhlu lwemikhondo luboniswe kwimboniso yokukhuphela ukuze ungakhetha ngokuzifihla.

I-AC3 ifayili isebenzisa i-bitrate enjani?

I-AC3 emiselweyo ye-bitrate yi-192 kbps (ibonisa ngaphaya kwengoma kwiimvakalelo ezininzi). Nciphisa kwi-320 kbps yemveliso yeaudiophile, okanye 96-128 kbps yelizwi/ipodcast apho ifayili encinci iphambili. Iinjongo ezingalahlekiyo AC3 (WAV, FLAC) zingahoyi isicwangciso se-bitrate kwaye zigcine zonke iiseti.

Ingaba ukutshintsha ukusuka ku MP4 ukuya ku AC3 kuya kunyusa ubunjani besandi sam?

Ukuba i AC3 ifomati ayilahleki (WAV, FLAC, ALAC), yonke isampuli ebhaliweyo igcinwa. Ukuba i AC3 ilahlekile (MP3, AAC, OGG, Opus), i-codec iphinda icinezele - kwi-192 kbps utshintsho aluthethiweyo kwizinto ezininzi; kwi-96 kbps ungava i-cymbals okanye i-sibilants ecocekileyo. I-MP4 isiqwengana asiyi kubangela oku - i-codec kuphela emiselweyo ebalulekileyo.

Ingaba i-AC3 ekhutshweyo igcina i-MP4 inqanaba lesampuli?

Ngokungagqibekanga ewe — 48 kHz MP4 isandi siyi 48 kHz AC3 isandi, 44.1 kHz siyi 44.1 kHz. Ukuba ufuna ukunyusa isampuli ukuhambelana (umzekelo. 96 kHz studio masters ukuya 44.1 kHz CD-quality AC3) isampuli-rate dropdown yenza oku ngesampuli ephezulu-yexabiso.

Ndingazikhuphela njani ii-AC3 zesandi kwisiqulathi seefayili se-MP4?

Ewe — susa isiqulathi seefayili MP4 kwindawo yokulayisha kwaye siqhube ukususwa ngokuthe tye. I-Premium ifumana abasebenzi abathe tye abaninzi; kwi-100-file batch (uluhlu lwemiculo-ividiyo) le yi-difference phakathi kweemizuzu ezi-90 nemizuzu eli-8.

Ithatha ixesha elingakanani ukutsala i-AC3 ukusuka kwi-1-iyure i-MP4?

I-audio demux + transcode iqhuba ngokukhawuleza kunevidiyo yokubuyisela kwikhowudi - ihlala i-5-15% yobude bomthombo. Iyure ye-1 MP4 -> AC3 igqiba kwimizuzu ye-3-9 kwindlela eqhelekileyo yokuhambisa. Ukuba i-AC3 codec ifana ne-source codec sele kwi-MP4 (eqhelekileyo kwi-AAC ngaphakathi MKV / MP4), yi-remux ecocekileyo kwaye iqhuba kwimizuzu.

Ingaba ifayili AC3 izakuthwala isihloko / umculi / i-tag ye-albham?

Ukuba i-MP4 ifayili igcina i-metadata yokuhamba (umculi, isihloko, i-albham), sikopa ezi ndawo kwi AC3 isiqulathi seefayili apho ifomati ixhasa ii-tags. ID3v2 (MP3), i-Vorbis iphawula (OGG, FLAC), i-MP4 i-atoms (AAC / M4A), RIFF INFO (WAV) zonke zibhalwe. I-Untagged MP4 ivelisa i-untagged AC3 — sebenzisa i- Mp3tag okanye i-Picard emva-korhwebo ngaphandle ukunika amandla.

Ingaba i MP4 yam ifihlakeleyo xa ndisusa umsindo?

Ewe - imodeli yobumfihlo efanayo neyokuguqulwa ngalinye. Umsuka MP4 nemveliso AC3 ziqhubekekiswa kubasebenzi abakhuselekileyo kwaye zicinywe kwimizuzu. Asiyi kudlala, sigcine, okanye sisebenzise imixholo. Bona /privacy/.

Kutheni i AC3 yam isebenzisa izithuba ezizinyamalalayo okanye isebenzisa isandi esingalunganga?

I-MP4 yakho iqulethe ubeko lwesandi se-multi-track kwaye sakhupha umsinga ongachanekanga (umzekelo, umsinga wesandi ochazayo okhululekileyo endaweni yoxubo oluphambili). Phinda uqhube nge "umsinga wesandi" ophambili okhethwayo omiselwe kwisikhombisi esifanelekileyo, okanye ukhethe "zonke iziqhagamshelanisi" ukukhupha umsinga ngamnye njengefayili ehlukileyo ye AC3.

Ingaba ukususwa kwe AC3 ku stereo, mono, okanye 5.1?

Ubeko lwesiqhagamshelanisi lulandela i MP4 ngokumiselweyo: 5.1 MP4 umsinga wesandi uvelisa i 5.1 AC3 apho i-codec ixhasa khona (AAC, FLAC, OGG, Opus). Ukhetho lwesiqhagamshelanisi-sokunxulumana phantsi lukhuthaza i-stereo okanye i-mono — luncedo kwipodcast yokuhamba komsebenzi okanye ukuhambelana ne-mono kuphela i-Bluetooth speakers.

Ingaba i-AC3 ekhutshiweyo iya kudlala kwi-iPhone / Android / i-car stereo?

I-MP3 idlala kwihlabathi liphela. I-AAC / M4A idlala kwi-Apple neyona Android ininzi, kubandakanya i-fabrication car stereos ukusuka ku-2014+. I-OGG / Opus ifuna umdlali omtsha kwaye ingasebenzi kwinkqubo edala ye-infotainment. Isixhobo esiphambili-esibekiweyo esithe tyaba sikhetha i-AC3 codec ekhuselekileyo yenjongo okhethayo.