語音識控技術及DSP應用.pdf

1、中國科學技術大學碩士學位論文語音識控技術及DSP應用姓名：劉慶升申請學位級別：碩士專業(yè)：精密儀器及機械指導教師：黃文浩2002.5.1—A——b—s—tr—act——————————，————————TheT—e—c—h—n—o1—o—g—y——o—f—Sp—e—e—c—hR——e—c—o—g。n——it—io——n—andControlandItsApplicationwithDSP—ABSTRACTWiththedevelopmen

2、tofSpeechRecognitiontechniqueandthesoftwareandhardwareforDigitalSignalProcessinginrecentyears，speechrecognitionsystemwillbeusedwidelyinthenearfutureAlthoughtherestillexistmanyproblemswhichneedtobeovercomesuchasthetechniq

3、ueoflarge—vocabularyspeake卜independent，continuousspeechrecognition，thetechniqueformedium／small—vocabulary，speakerdependent，isolated—wordspeechrecognitionhascometotheageofmaturityandisnowusedtocontrolsuchashouseholdelectr

4、icsandintellectualtoyswhichrequirerelativelowrecognitionrateWeexplorethearithmeticanditsapplicationwithDSPinthispaper，theaimistealizeanindeedpracticalspeechrecognitionsystemwithDSEInthepaperIfirstpresentasimpleintroducti

5、onofthehistoryandthecurrentstatusoftheresearchandapplicationofspeechrecognitiontechniqueInthetheoryintroductionpart，aftersimplyintroducesthebasisknowledgeofvoicesignal，asystemicandconcisebriefoftheprecedingdisposal，endpo

6、intdetection，parameterpick—upandmatching—methodofspeechrecognitionaccordingthebasicframeworkofspeechrecognitionsystemaregivenAttheaspectofapplicationinthecontrolfieldofsmall—vocabularyspeakerdependent，isolated—wordspeech

7、recognitiontechnologyitexplainsthedevelopmentofthetoywhocannotonlyhearbutalsospeakwhichisbasedonaspeechrecognitionchipTheusedmethodsandfunctionsofthischiparediscussedindetailsinthepaperandIalsoputforwardameasuretoimprove

8、therecognitionaccuracyandanewtechniquetoincreasetheintelligenceofspeechrecognitionandcontrolsystemintheendofthispartNextIpresentthedesignstepsofDSPsystemandcomplied、vimthedesignstepsIpresenttheresearchworkofspeechrecogni