2.1 array processing methods............................ 3

《2.1 array processing methods............................ 3》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、MicrophoneArrayProcessingForRobustSpeechRecognitionMichaelL.SeltzerPh.D.ThesisProspectusSubmittedtotheDepartmentofElectricalandComputerEngineeringinPartialFulfillmentoftheRequirementsfortheDegreeofDoctorofPhilosophyatCarnegieMellonUniversityPittsburgh,PennsylvaniaJune2001i1.Introduction......

2、.............................12.ReviewofPreviousMicrophoneArrayProcessingStrategiesforSpeechRecognition.....32.1ArrayProcessingMethods............................32.2SpeechRecognitionCompensationMethods....................63.PreliminaryWorkinRecognizer-basedArrayProcessing................93.1

3、Filter-and-sumarray-processing.........................93.2SpeechRecognition-basedFilterCalibration...................103.3Experimentalresults.............................134.ProposedWork.................................184.1ReverberationCompensation..........................184.2ImprovedObje

4、ctiveFunction.........................184.3UnsupervisedProcessing...........................194.4IncorporationofConfidence..........................194.5FilterAdaptation..............................194.6AlternativeObjectivefunctions.........................204.7ApplicationtoSingle-ChannelSpe

5、ech......................205.ThesisGoalsandTimetable............................215.1ResourcesandDatabases...........................215.2ExpectedResultsandContributionsofThesis...................215.3PreliminaryTimetableofWork.........................22References.............................

6、.......231.Introduction11.IntroductionState-of-the-artspeechrecognitionsystemsareknowntoperformreasonablywellwhenthespeechsig-nalsarecapturedinanoise-freeenvironmentusingaclose-talkingmicrophonewornnearthemouthofthespeaker.Theprogressofsuchsystemshasreachedthepointwhererealspeechrecognitionsy

7、stemshavebeendeployedinthemarketplaceforavarietyofuses.Asrecognitionperformancecontinuestoimprove,itisexpectedthatdemandforsuchsystemswillfurtherincrease.However,manyofthetargetapplicationsforthistechnologydonottakeplaceinnoise-freeenvironmen