語音識別與合成技術(shù)在水下語音傳輸中的應(yīng)用.pdf

1、廈門大學(xué)碩士學(xué)位論文語音識別與合成技術(shù)在水下語音傳輸中的應(yīng)用姓名：黃勁申請學(xué)位級別：碩士專業(yè)：無線電物理指導(dǎo)教師：程恩2000.7.1AbstractThisthesisworkemploysstate—of—artspeechrecognitionandSyIlthesistechnologiesforspeechsourceeodinganddecodingThistechniquedecreasesthecodedspeechda

2、tatoagreatextent，thuscutdowntransmissionraterequirementgreatlyTheexperimentsshowthatthereconstructedspeechisclearandrecognizable，andthecodecperflormanceissatisfactoryThisworkopensupanewroadforunderwaterhigh—articulations

3、peechtransmissionandhasdeterminateacademicsignificanceandimportantapplieatioavalueTheonlYvlablewaytotransmitspeechdataover10ngdistanceunderwarerisbysoundwaveBecauseunderwateracousl2icchannelsarecharacterizedascomplex，var

4、yingandnoisymultipathchannelswith1imitedbandwidth，itisverydifficulttorealizethesteadysignaldetectionandhigh—speeddatatransmissioninthesechannelsSpeechrecognitioncangreatlYdecreasespeechinformationrateandberegardedasthete

5、chnologytocompressspeechmosthigh]YIfspeechredeBeognitionisusedasspeechcodingandspeechsynthesisasspeechoding，aschemeofefficientspeechsourcecodecwillbecompletedausethecodedspeechdatageneratedbyspeechrecognitionwil1beextrem

6、e]Ysmall，thiscodecwillereatefavorableconditionsforusingvariOUStechniquestoreducetransmissionerrorrateandresistmultipatheffectiatheunderwaterhigh—articulationspeechtransmissionThisworkuseClanguageandWindowsAPIstoprograman

7、drealizetheabovecodeccompletelyinthePCsbymeansofexternalspeechrecognitionengiReandspeechsynthesissoftwareTheprogran_IrningworkissummarizedanditsmainpointsareanalyzedThestructureoftheprogramanddeta[1sofitsmodulesarealsopr