资源描述：
《毕业设计(论文)外文翻译--李宏成》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、毕业设计（论文）外文资料江西理工大学应用科学学院毕业设计(论文)外文资料翻译系别：信息专业：电子信息工程班级：081姓名：李宏成学号：附件：1.外文资料翻译译文；2外文原文指导教师评语：签名：年月日21毕业设计（论文）外文资料DolbylaboratoryonDolbyAuthor:TigerMultichannelperceptualcodingDolbyAC-3isakindofefficiency,qualityandfunctionalaspectswithunprecedentedeffectperceptualdigitalaudiocodingtechnology.From
2、thebeginningof1992,ithasbeenforthecinemaprovidemultichanneldigitalaudiosystemandachievedin1994intothetwochannelIBSapplication.Itinthecassetteanddisctypefamilytelevisionsystemfortransmittingmultichanneldigitalsoundfunctionhasbeentotheconsumerelectronicsindustrywithveryexcited.IntheUnitedStates,hig
3、hdefinitiontelevision(HDTV)broadcastingtheselectedDolbydigitalsurroundsoundtransmission,estimatedthatin1996willbeputintoatestscreening.Manyhavebeenannouncedandthepotentialapplicationsofthetechnologyoftestshows,DolbyAC-3decoderhasabeautifullyversatility.AC-3isnotasinglemachinesystem,butakindofusec
4、anmakesuchasbitrateandnumberofchannelssuchparameterstoadapttodifferentspecialapplicationflexibleproceduresforthetreatmentoffamilial.Varioustypesofalldecoderinordertoworkonthesameprincipleasthefoundation,anddesignedtotakefullaccountofthefutureneedforcompatibilityandadaptability.Importantis,DolbyAC
5、-3willbehighqualitysoundandexcellentdigitalefficiencyisveryperfectcombination.BecauseoftheDolbyLaboratoryformorethan20yearsfocusonhumanauditoryresearch,inthedevelopmentofsignalprocessingfieldhasaccumulatedrichexperience,so,althoughAC-3thanintheCDdisktothelastchannellowerbitratetocreateamulti-chan
6、nelsurroundsound,however,itmakesthesoundqualityfullymeetthelistenerexpectations.Audio:pastpresentandfutureIn30,thefamousBaerLaboratoriesbeganusingthethreechannelstereosound.In50,whenthestereointopublicmovie,itusesthechannelinfourabove,sometimesreachingoversevenchannels.Afewyearslater,thestereoint
7、ofamilies,sinceallofthephonographrecordsonlywithdualchannelmatching,sothefamilyleaveacousticdeviceonlybydualchannelplayback,thetechnicallimitations,cannotthelistenerwillgenerallytwo-channelstereoasthehomeaudioselection
