DSP与多媒体

DigitalSignalProcessingChapter1:IntroductionDiscrete-TimeSignalsandSystemsDiscrete-timesignalsExamplesoundsSingletone:k02.wav,k04.wavMachine:whistle.wavMusic:furelise.wavFrom:SignalProcessingFirst,byJamesH.McClellan,RonaldW.Schafer,andMarkA.Yoder,PrenticeHall,2003.n0cosFrequenciesbetween0and2Thez-TransformTheunitcirclejezPoles,zeros,andregionofconvergenceSamplingofContinuous-TimeSignalsSamplingExample:stb0m15.movFrom:SignalProcessingFirst,byJamesH.McClellan,RonaldW.Schafer,andMarkA.Yoder,PrenticeHall,2003.SamplingofacosinesignalSamplingeffectAliasingTransformAnalysisofLinearTime-InvariantSystemsFouriertransformStructuresforDiscrete-TimeSystemsDirectformIDirectformIIFilterDesignTechniquesBasicdiagramLow-passfilterACEGpianochordAlowpassfilterwithacut-offof456HzappliedtotheCEGchordextractsthesignal:filtCEG.wavAlowpassfilterwithacut-offof361HzappliedtotheCEGchordextractsthesignal:filtCE.wavAlowpassfilterwithacut-offof296HzappliedtotheCEGchordextractsthesignal:filtC.wavFrom:FundamentalsofDigitalSignalProcessing,byJoyceVandeVegte,PrenticeHall,2002.SoftwareMatlabHardwareDSP與多媒體作者：德州儀器無線通訊事業部,=4&sno=34業界應用GeneraloverviewfromwikipediaDiscrete-TimeSignalProcessing,SecondEdition,byAlanV.Oppenheim,RonaldW.Schafer,andJohnR.Buck,PrenticeHall,1999.FundamentalsofDigitalSignalProcessing,byJoyceVandeVegte,PrenticeHall,2002.SignalProcessingFirst,byJamesH.McClellan,RonaldW.Schafer,andMarkA.Yoder,PrenticeHall,2003.