标签: vs.

Audioprocessingcoversmanydiversefields,allinvolvedinpresentingsoundtohumanlisteners.Threeareasareprominent:(1)highfidelitymusicreproduction,suchasinaudiocompactdiscs,(2)voicetelecommunications,anothernamefortelephonenetworks,and(3)syntheticspeech,wherecomputersgenerateandrecognizehumanvoicepatterns.Whiletheseapplicationshavedifferentgoalsandproblems,theyarelinkedbyacommonumpire:thehumanear.DigitalSignalProcessinghasproducedrevolutionarychangesintheseandotherareasofaudioprocessing.CHAPTERAudioProcessing22Audioprocessingcoversmanydiversefields,allinvolvedinpresentingsoundtohumanlisteners.Threeareasareprominent:(1)highfidelitymusicreproduction,suchasinaudiocompactdiscs,(2)voicetelecommunications,anothernamefortelephonenetworks,and(3)syntheticspeech,wherecomputersgenerateandrecognizehumanvoicepatterns.Whiletheseapplicationshavedifferentgoalsandproblems,theyarelinkedbyacommonumpire:thehumanear.DigitalSignalProcessinghasproducedrevolutionarychangesintheseandotherareasofaudioprocessing.HumanHearingThehumanearisanexceedinglycomplexorgan.Tomakemattersevenmoredifficult,theinformationfr……

Decisions,decisions,decisions!Withallthesefilterstochoosefrom,howdoyouknowwhichtouse?Thischapterisahead-to-headcompetitionbetweenfilters;we'llselectchampionsfromeachsideandletthemfightitout.Inthefirstmatch,digitalfiltersarepittedagainstanalogfilterstoseewhichtechnologyisbest.Inthesecondround,thewindowed-sincismatchedagainsttheChebyshevtofindthekingofthefrequencydomainfilters.Inthefinalbattle,themovingaveragefightsthesinglepolefilterforthetimedomainchampionship.Enoughtalk;letthecompetitionbegin!CHAPTERFilterComparison21Decisions,decisions,decisions!Withallthesefilterstochoosefrom,howdoyouknowwhichtouse?Thischapterisahead-to-headcompetitionbetweenfilters;we'llselectchampionsfromeachsideandletthemfightitout.Inthefirstmatch,digitalfiltersarepittedagainstanalogfilterstoseewhichtechnologyisbest.Inthesecondround,thewindowed-sincismatchedagainsttheChebyshevtofindthekingofthefrequencydomainfilters.Inthefinalbattle,themovingaveragefightsthesinglepolefilterforthetimedomainchampionship.Enoughtalk;letthecompetitionbegin!Match#1:Analogvs.DigitalFiltersMostdigitalsignalsoriginateinanalogelectronics.Ifthesignal……