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| A new multi-model coding algorithm based on MBE and spectral amplitude correlation between successive frames | |
| 摘 要： | 1IntroductionTheMulti-BandExcitation(MBE)codinga1gorithmwasproposedbyGrifffandLim[1].IntheMBEmodelthemethodofthequantizationofthemagnitudespectrumisthekeypointofcompressingthecodingrateandimprovingthequalityofthecodingspeech.TherearetwomainmethodstoquantizethemagnitudespectrumintheMBEmodel.Oneisexploitingthecorrelationofthespectrumbetweensuccessiveframes,thedlfferenceofthen1agnitudespectrumbetweensuccessivefranlesisquantizedwithVectorQuantization(VQ)l'].Theotherisexploitingthecorrelati… |
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