河南2025自考[智能視聽工程]英語（二）客觀題專練一、單項(xiàng)選擇題（每題1分，共20題）1.Whatistheprimarypurposeofaudiomasteringinthesmartaudio-visualengineeringfield?A.RecordingrawsoundB.EnhancingsoundqualityforplaybackC.EditingaudiofilesD.Mixingmultipleaudiotracks2.Whichofthefollowingtechnologiesismostcommonlyusedfor3Daudiorenderinginvirtualreality?A.MP3compressionB.DolbyAtmosC.AACencodingD.WAVformat3.Invideoproduction,whatdoestheterm"keyframe"referto?A.ApointwherevideoplaybackspeedchangesB.AframeusedtodefineanimationtransitionsC.Ahigh-resolutionvideoframeD.Aframewiththelowestbitrate4.Whichstandardiswidelyadoptedforhigh-efficiencyvideocoding(HEVC)inmodernstreamingservices?A.H.264B.H.265C.MPEG-1D.VHS5.WhatisthefunctionofaDAC(Digital-to-AnalogConverter)inaudiosystems?A.TocompressdigitalaudiofilesB.ToconvertdigitalsignalstoanalogsignalsC.ToamplifyaudiosignalsD.Toreducenoiseinaudio6.HowdoesHDR(HighDynamicRange)improvevideoquality?A.ByincreasingframerateB.ByenhancingcoloraccuracyandbrightnessC.ByreducingfilesizeD.Byimprovingaudiosynchronization7.Whichsoftwareiscommonlyusedforaudiomixinginthesmartaudio-visualindustry?A.PhotoshopB.FinalCutProC.AudacityD.AutoCAD8.Whatdoestheacronym"ISP"standforinthecontextofvideostreaming?A.InternetServiceProviderB.InformationSystemPlatformC.InteractiveSoundProcessorD.IntelligentVideoStreamProcessor9.Whichofthefollowingisakeyconsiderationwhendesigningasmartaudio-visualsystemforaclassroom?A.HighresolutionofdisplaysB.Lowlatencyinaudio-visualsynchronizationC.HighpowerconsumptionD.Limitedconnectivityoptions10.Whatisthepurposeofafirewallinasmartaudio-visualnetwork?A.ToenhanceaudioqualityB.ToprotectagainstunauthorizednetworkaccessC.ToincreasebandwidthD.Toreducelatency11.Whichcodecispreferredforlosslessaudiocompressioninprofessionalsettings?A.MP3B.AACC.FLACD.Ogg12.Whatdoes"framerate"refertoinvideoproduction?A.ThenumberofpixelspersecondB.ThenumberofframesdisplayedpersecondC.ThedurationofeachvideoframeD.Theresolutionofthevideo13.Whichofthefollowingisacommonissueinvideostreamingduetonetworkcongestion?A.HighframerateB.LowbitrateC.BufferingD.Highresolution14.WhatistheroleofaGPUinrenderinghigh-qualityvideographics?A.TostorevideofilesB.ToprocessandrendergraphicsefficientlyC.TorecordaudioD.Tocompressvideofiles15.WhichofthefollowingisabenefitofusingAIinaudio-visualcontentcreation?A.ReducedproductioncostsB.EnhancedcreativityC.ImprovedsynchronizationD.Higherresolution16.Whatisthepurposeofalensinasmartcamerasystem?A.ToamplifyaudiosignalsB.TofocuslightontothesensorC.TocompressvideodataD.Toincreaseframerate17.Whichofthefollowingisakeyconsiderationwhenoptimizingvideostreamingformobiledevices?A.HighbitrateB.LowlatencyC.HighframerateD.Largefilesize18.Whatdoes"chromakey"refertoinvideoproduction?A.AtechniquetoremovebackgroundcolorsB.AmethodtoenhancevideobrightnessC.AprocesstoreducevideonoiseD.Atechniquetoimproveaudioquality19.Whichofthefollowingisacommonchallengeinreal-timeaudio-visualsynchronization?A.HighresolutionB.NetworklatencyC.LowbitrateD.Highframerate20.WhatistheprimaryfunctionofaCDN(ContentDeliveryNetwork)invideostreaming?A.TocompressvideofilesB.TostorevideocontentforfasterdeliveryC.ToincreasevideoresolutionD.Toreducelatency二、多項(xiàng)選擇題（每題2分，共10題）1.WhichofthefollowingarecommonapplicationsofAIinsmartaudio-visualsystems?A.AutomatedvideoeditingB.VoicerecognitionC.AudiomasteringD.ImageenhancementE.Videocompression2.Whatarethekeyfactorstoconsiderwhendesigningasmartaudio-visualsystemforaconferencehall?A.SoundproofingB.High-qualitymicrophonesC.Lowlatencyinaudio-visualsynchronizationD.MultipledisplayscreensE.Networkbandwidth3.Whichofthefollowingtechnologiesareusedforefficientvideocompression?A.H.265B.MPEG-4C.AACD.MP3E.Ogg4.WhataretheprimarybenefitsofusingHDRinvideoproduction?A.EnhancedcoloraccuracyB.HigherbrightnesslevelsC.BettercontrastD.ReducedfilesizeE.Improvedframerate5.Whichofthefollowingarecommonchallengesinaudio-visualsynchronization?A.NetworklatencyB.HighframerateC.AudiodelayD.VideobufferingE.Lowbitrate6.Whatarethekeyfeaturesofasmartaudio-visualsystemforaclassroom?A.InteractivewhiteboardsB.High-qualityspeakersC.Lowlatencyinaudio-visualsynchronizationD.MultipleconnectivityoptionsE.Energy-efficientdesign7.WhichofthefollowingarecommonapplicationsofDolbyAtmosinaudioproduction?A.FilmsoundtracksB.GamingaudioC.PodcastsD.LiveeventsE.Musicconcerts8.Whataretheprimaryconsiderationswhenoptimizingvideostreamingformobiledevices?A.LowbitrateB.HighframerateC.NetworklatencyD.LargefilesizeE.Highresolution9.Whichofthefollowingarecommonissuesinvideostreamingduetonetworkcongestion?A.BufferingB.LowframerateC.HighlatencyD.AudiodelayE.Videocompression10.WhatarethekeybenefitsofusingAIinvideocontentcreation?A.ReducedproductioncostsB.EnhancedcreativityC.ImprovedsynchronizationD.HigherresolutionE.Betteraudioquality答案與解析單項(xiàng)選擇題答案1.B2.B3.B4.B5.B6.B7.C8.A9.B10.B11.C12.B13.C14.B15.A16.B17.B18.A19.B20.B解析：1.Audiomasteringfocusesonoptimizingsoundqualityforplayback,notrawrecording.2.DolbyAtmosisaleading3Daudiorenderingtechnology.3.Keyframesdefineanimationtransitionsinvideoproduction.4.H.265(HEVC)iswidelyusedforefficientvideocoding.5.ADACconvertsdigitalsignalstoanalogforaudioplayback.6.HDRimprovescoloraccuracyandbrightnessinvideos.7.Audacityisapopularaudiomixingsoftware.8.ISPstandsforInternetServiceProvider.9.Lowlatencyinaudio-visualsynchronizationiscriticalinclassrooms.10.Firewallsprotectnetworksfromunauthorizedaccess.11.FLACisalosslessaudiocompressioncodec.12.Frameratereferstoframesdisplayedpersecond.13.Bufferingoccursduetonetworkcongestion.14.GPUsrendergraphicsefficientlyforhigh-qualityvideo.15.AIreducesproductioncostsinaudio-visualcontentcreation.16.Lensesfocuslightontothecamerasensor.17.Lowlatencyiscrucialformobilevideostreaming.18.Chromakeyremovesbackgroundcolorsinvideoproduction.19.Networklatencyisamajorchallengeinsynchronization.20.CDNsdelivercontentfasterbydistributingitglobally.多項(xiàng)選擇題答案1.A,B,D2.A,B,C,D,E3.A,B4.A,B,C5.A,C,D6.A,B,C,D,E7.A,B,D,E8.A,C,E9.A,B,C,D10.A,B,C,D,E解析：1.AIisusedinautomatedvideoediting,voicerecognition,andimageenhancement.2.Designingconferencehallsystemsrequiressou