摘 要: | lIntroductionThemethodoflinearpredictionhasbeendondnatedinspeechcompressiollsince197o's-However,thefreqencyresolutionoflinearpredictionisnotmatchedwellwiththeactualphysicalprocessinthehUInanear-Thewavelettransform,asakindofnewmethodforsignalprocessing,overcomesthedritationsofshort-tAneFourierThansformonthefrequencyresoutfon-Itcanuselilghfrequencyresolutionatlowfreqllencyrangeandusefowfrequencyresohitionathighfrequencyrange-Basedonthispoint,weusewavlettransformtothespeechcomnresslon.Firstthe…
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