标签: voice

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VoiceactivitydetectionbasedonmultiplestatisticalmodelsIEEETRANSACTIONSONSIGNALPROCESSING,VOL.54,NO.6,JUNE20061965VoiceActivityDetectionBasedonMultipleStatisticalModelsJoon-HyukChang,Member,IEEE,NamSooKim,Member,IEEE,andSanjitK.Mitra,LifeFellow,IEEEAbstract―Oneofthekeyissuesinpracticalspeechprocessingistoachieverobustvoiceactivitydetection(VAD)againstthebackgroundnoise.Mostofthestatisticalmodel-basedapproacheshavetriedtoemploytheGaussianassumptioninthediscreteFouriertransform(DFT)domain,which,however,deviatesfromtherealobservation.Inthispaper,weproposeaclassofVADalgorithmsbasedonseveralstatisticalmodels.InadditiontotheGaussianmodel,wealsoincorporatethecomplexLaplacianandGammaprobabilitydensityfunctionstoouranalysisofstatist……

easyguidetodata&voicenetworkingCiscoSolutionsTHEEASYGUIDETOAGUIDETODATACONVERGENCEANDVOICENETWORKINGFORGROWINGBUSINESSESTHEEASYGUIDETOAGUIDETODATACONVERGENCEANDVOICENETWORKINGFORGROWINGBUSINESSESHere’sastrongcandidateforthemostimportantwordforthe21stCentury.ThewordisConvergence.It’simportantbecauseitwillbringaboutoneofthemostsubtle,yetprofoundchangesinourmodernwayoflife.Almostsinceitsinvention,thetelephonehasbeenastandardpieceofequipment.Weareusedtoseeingoneoneverydeskinacompanyandatleastoneineveryhome.Now,thecomputerisachievingthesamestatus.Itisbecominganecessity,notaluxury.Convergencemeansthecomingtogetherofcomputersystemsandtelephonesystems.Whyisthissoimportant?Because,……