DSP与多媒体.ppt

DigitalSignalProcessing,Chapter1:Introduction,Discrete-TimeSignalsandSystems,Discrete-timesignals,ExamplesoundsSingletone:k02.wav,k04.wavMachine:whistle.wavMusic:furelise.wav,From:SignalProcessingFirst,byJamesH.McClellan,RonaldW.Schafer,andMarkA.Yoder,PrenticeHall,2003.,Frequenciesbetween0and2,Thez-Transform,Theunitcircle,Poles,zeros,andregionofconvergence,SamplingofContinuous-TimeSignals,Sampling,Example:stb0m15.mov,From:SignalProcessingFirst,byJamesH.McClellan,RonaldW.Schafer,andMarkA.Yoder,PrenticeHall,2003.,Samplingofacosinesignal,Samplingeffect,Aliasing,TransformAnalysisofLinearTime-InvariantSystems,Fouriertransform,StructuresforDiscrete-TimeSystems,DirectformI,DirectformII,FilterDesignTechniques,Basicdiagram,Low-passfilter,ACEGpianochord,Alowpassfilterwithacut-offof456HzappliedtotheCEGchordextractsthesignal:filtCEG.wavAlowpassfilterwithacut-offof361HzappliedtotheCEGchordextractsthesignal:filtCE.wavAlowpassfilterwithacut-offof296HzappliedtotheCEGchordextractsthesignal:filtC.wav,From:FundamentalsofDigitalSignalProcessing,byJoyceVandeVegte,PrenticeHall,2002.,Software,Matlab,Hardware,DSP與多媒體作者：德州儀器無線通訊事業部,.tw/articles/detail.asp?catalog=4&sno=34業界應用.tw/DSP/index.htm,Summary,Generaloverviewfromwikipedia/wiki/Digital_signal_processing,References,Discrete-TimeSignalProcessing,SecondEdition,byAlanV.Oppenheim,RonaldW.Schafer,andJohnR.Buck,PrenticeHall,1999.FundamentalsofDigitalSignalProcessing,byJoyceVandeVegte,PrenticeHall,2002.SignalProcess