AC3 AC3

AC3 Isiguquli

Guqula AC3 ku futhi kusuka kufomati eziningi

Guqula AC3 kwamanye amafomethi

AC AA
AC3 kuya ku AAC
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AC AI
AC3 kuya ku AIFF
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AC AM
AC3 kuya ku AMR
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AC FL
AC3 kuya ku FLAC
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AC M4
AC3 kuya ku M4A
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AC MK
AC3 kuya ku MKV
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AC MO
AC3 kuya ku MOV
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AC MP
AC3 kuya ku MP3
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AC MP
AC3 kuya ku MP4
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AC OG
AC3 kuya ku OGG
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AC Op
AC3 kuya ku OPUS
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AC WA
AC3 kuya ku WAV
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AC WM
AC3 kuya ku WMA
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AC We
AC3 kuya ku WEBM
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Guqula kube AC3

AA AC
AAC kuya ku AC3
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AI AC
AIFF kuya ku AC3
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AM AC
AMR kuya ku AC3
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FL AC
FLAC kuya ku AC3
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M4 AC
M4A kuya ku AC3
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MK AC
MKV kuya ku AC3
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MO AC
MOV kuya ku AC3
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MP AC
MP3 kuya ku AC3
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MP AC
MP4 kuya ku AC3
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OG AC
OGG kuya ku AC3
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Op AC
OPUS kuya ku AC3
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WA AC
WAV kuya ku AC3
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WM AC
WMA kuya ku AC3
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We AC
WEBM kuya ku AC3
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Mayelana AC3

AC-3 (Dolby Digital) yi-surround-sound track esetshenziswa kuma-DVD nama-broadcast television, ethatha ama-channels angama-6.

Ukusetshenziswa Okuvamile

  • DVD audio
  • Surround sound
  • Blu-ray audio

AC3 Imibuzo Evame Ukubuzwa Yokuguqulwa

Yini ihele AC3?
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AC3 (Dolby Digital) is a multi-channel surround sound audio format.
Akunalutho - lokhu kuyi-cinema delivery bitstream. I-AC3 stream ifaka i-multichannel mix esetshenziselwa ukucutshungulwa yi-AV receiver futhi ithunyelwe kuma-speakers angempela abekwe endaweni. Ifoni noma i-laptop kufanele ivuleke ngezansi kuma-channels amabili ngaphambi kokuba ikwazi ukudlala ngaso sonke isikhathi, futhi le-downmix ivame ukuba ne-soundless futhi i-flatter kune-stereo track e mastered njenge-stereo. Guqula uma indawo esiya kuyo i-headphones; gcina uma indawo esiya kuyo i-receiver. AC-3 yi-surround track ngayinye ye-AV receiver, DVD player ne-TV decodes ngokusemthethweni, ngakho-ke ihlala iyi-baseline yokusabalalisa.
Noma yini encoder yakuqala ekhetha ukuyisusa, futhi ayikwazi ukubuyiselwa. AC3 icindezela ngokumodela lokho okungekuqaphela indlebe - imisindo ekhululekile ehlala ngaphansi kwezikhulu, iziqongo eziphezulu zokulalela - futhi isuse ngokuqhubekayo. Ku-bitrate ephephile engeke ikwazi ukulalela wonke umuntu. Okunye okungaba khona kubuyiselwa emuva, ngakho ukushintshana kufomethi engalahlekelwa yisimo samanje ngaphandle kokubuyisela okungaphambili. AC-3 yisandi esingenalutho esingena-channel, sivame u-5.1 ku-384 noma ku-448 kbps, ne-metadata yokuxoxa nokuhlanganiswa ngezansi.
Ngenxa yokuthi i-diski i-standards yaziwa ngokuthi. Umdlali wadinga uku-decode umsindo kwi-hardware esebenza kahle eqinile ngaphandle kwesoftware noma ukuhlaziywa, ngakho-ke ukucaciswa kwakhetha uhlobo olulodwa futhi wonke umsindo ocindezelwe kusukela wathatha. Lokhu kusho ukuthi umthumeli uphatha ngaphandle kokukhathazeka futhi umsakazo awuzowuchofoza — uhlobo lwahamba ngaso sonke isikhathi lapho i-standard ihamba khona, futhi akukho kuphi. AC-3 yiDolby Digital, ifomu elijikelezayo elijwayelekile le-laserdisc, DVD, ATSC broadcast ne-cinema ekuqaleni kuka-1990.
Ngenxa yokuthi ilayisense ifakwe kwihardware hhayi ekhethiwe ngumlalela. Ifomethi yacaciswa njenge-audio edingekayo ye-optical disc ne-digital broadcast standards, ngakho wonke umdlali, umtholi kanye nebhokisi leset-top liyi-decoded iminyaka eminingana futhi imboni yezinto eziqukethwe i-encoded kuyo ngokuhambisana. Lo mqondo wokuthi kuhlale khona emishinini yegumbi lokuphumula ufana ngokugcwele nokungakholeki kwayo kuma-browsers nama-apps wefoni.
Yebo - ifomu liphatha iziqhagamshelanisi ezingaphezu kwezingu-2 ngokufanele, ngakho-ke ukuhlanganisa okugqamile kugcina isakhiwo sesiqhingi saso ngaphandle kokucindezelwa kwe-stereo ngendlela efanele. Uma ukhuluma ngayo njenge-surround kuxhomekeka kukuphela kokuphela: umlayezo uzosusa wonke ama-channels, ifoni izocindezela phantsi ngesikhathi sokudlala ngaphandle kokukhathazeka. Ukushintshana ku-stereo-only format kwenza ukuthi ucindezelwe ngokuqhubekayo.
Ubudala bukhona akuyona inkinga - amafomethi amaningi onyaka akhona alungile, ngokucacile ngoba konke kudlule iminyaka eminingi ukuwafaka. Okubalulekile ukuthi unyaka uthathe isinqumo: amafayela amancane, amaprosesa aphansi, akukho nethiwekhi, futhi amakhono angeke afune umuntu. lapho amanani ahlala khona, ifomu lilungile. lapho ayikho, lena yisizathu sokushintsha.
Amabhuleki aqopha uhlu oluncane, oluqinile lwefomethi yomsindo futhi AC3 ungaphandle kwalo, ngakho ihele likhuphuka endaweni yokudlala noma umdlali ukhombisa iphutha. Isofthiwe yedesktop enesethingi se-codec esibanzi ivula ngaphandle kwezinkinga. Uma umsindo udlala kukhasi le-web, ukushintsha kuyinto elungile — akukho ukumiswa komdlali kuzongeza umbhalo oqoshiwe umbhukeli awuthumeli. AC-3 ayisebenzi kahle ngokuya ngemigomo yamanje futhi ayivunyelwe yiziphequluli, amafoni noma abadlali abaningi be-web ngaphandle kokuxhuma phezulu kwe-stereo.
Uhlu lwendawo esiya kuyo, hhayi umsuka. Ukudlalwa kwengoma, 256 kuya ku-320 kbps kucacile kuwo wonke umuntu olalelayo; ukukhuluma nokulalela ipodcasts, 96 kuya ku-128 kbps kuningi futhi kushiya ihele ngaphesheya. Ukungenisa umsindo ngaphezu komsuka we-bitrate kulahlekile isikhala — kugcina umsindo osele udlulele nge-lossy pass futhi akubuyiseli lutho umngenisi wokuqala olahlekile.
Akunakho okukudingayo. Ama-codecs ahlobene ahlobene ne-patent pools, futhi ilayisense libekwe ngabantu abathumela ama-decoders — ifoni, i-browser, i-operating system — isikhathi eside ngaphambi kokuba ihele lifike kuwe. Lokhu kusho ukuthi ifomu likhona kuwo wonke amahardware futhi kungani ama-royalty-free alternatives akhona, futhi ashintshanga noma yini mayelana nokushintsha ifayela oline.
Akunakwenzeka ngaphandle kokuthi ucela. Ukuguquka kugcina umsuka wezinga — 48 kHz uhlala 48 kHz, 44.1 kHz uhlala 44.1 kHz — ngoba ukusatshalaliswa kabusha kubiza kakhulu futhi akusebenzi uma akukho okudingayo. Iziphuzo zikhona: ama-CD omsindo adinga u-44.1 kHz, abanye abadlali behardware abadala bamukela okuthile, futhi amapayipi omsindo avame ukudinga u-16 kHz. Misela izinga ngokucacile ngalezi zinkinga bese ushiya icala linye.
Kunzima kakhulu, futhi kufanelekile ukuqonda ukuthi kungani: isithonjana siyisihloko, ngenkathi ama-bytes ngaphakathi kufakwe ngefomethi eyodwa ekhethekile. Ukushintsha igama kwenza ihele igama lakhe lithembisa okuthile okuqukethwe kwayo akusho ukunikela, futhi noma yini evula ihele noma liyiphoqa noma liyifunda kabi. Ukuphela kwephutha elincane yifomethi ezimbili ezikhona ngokusemthethweni ibhokisi elifanayo ngaphansi kwezinhlamvu ezahlukene — futhi ngisho lapho ukuphinda uphinde

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