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ID:32640353
大小:88.25 KB
页数:16页
时间:2019-02-14
《增强的基于vq算法的说话人语音识别外文文献翻译》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、毕业设计(论文)外文翻译外文题目:EnhancedVQ-basedAlgorithmsforSpeechIndependentSpeakerIdentification译文题目:增强的基于VQ算法的说话人语音识别文献出处「《Audio-andVideo-basedBiometriePersonAuthentication,IntcrnationalConference,Avbpa,Gu订dford,Uk,Junc》,2003,2688:470-477外文作者:NingpingFan,JustinianRose且字数统计:英文1869单词,9
2、708字符;中文3008汉字外文文献:EnhancedVQ-basedAlgorithmsforSpeechIndependentSpeakerIdentificationAbstractWeighteddistancemeasureanddiscriminativetrainingaretwodifferentapproachestoenhanceVQ-basedsolutionsforspeakeridentification.ToaccountforvaryingimportanceoftheLPCcoefficientsinSV,t
3、heso-calledpartitionnormalizeddistancemeasuresuccessfullyusednormalizedfeaturecomponents.Thispaperintroducesanalternative,calledheuristicweighteddistance,toliftuphigherorderMFCCfeaturevectorcomponentsusingalinearformula.Thenitproposestwonewalgorithmscombiningtheheuristicwe
4、ightingandthepartitionnormalizeddistancemeasurewithgroupvectorquantizationdiscriminativetrainingtotakeadvantageofbothapproaches.ExperimentsusingtheTIMITcorpussuggestthatthenewcombinedapproachissuperiortocurrentVQ-basedsolutions(50%errorreduction).ItalsooutperformstheGaussi
5、anMixtureModelusingtheWaveletfeaturestestedinasimilarsetting・LIntroductionVectorquantization(VQ)basedclassificationalgorithmsplayanimportantroleinspeechindependentspeakeridentification(SI)systems.Althoughinbaselineform,theVQ-basedsolutionislessaccuratethantheGaussianMixtur
6、eModel(GMM),itofferssimplicityincomputation.Foralargedatabaseofoverhundredsorthousandsofspeakers,bothaccuracyandspeedareimportantissues.HerewediscussVQenhancementsaimedataccuracyandfastcomputation.1>1VQBasedSpeakerIdentificationSystemFig.1showstheVQbasedspeakeridentificati
7、onsystem.Itcontainsanofflinetrainingsub-systemtoproduceVQcodebooksandanonlinetestingsub-systemtogenerateidentificationdecision.Bothsub-systemscontainapreprocessingorfeatureextractionmoduletoconvertanaudioutteranceintoasetoffeaturevectors.Featuresofinterestintherecentlitera
8、turesincludetheMel-frequencycepstralcoefficients(MFCC),theLinespectrapairs(LSP),theWavele
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