A PATTERN RECOGNITION APPROACH FOR TONE CLASSIFICATION OF ISOLATED SYLLABLE IN PUTONGHUA

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摘要 Inthispaper,anewapproachofpatternrecognitionfortoneclassificationofPutonghuaWhichisim-portantforspeechrecognitionofPutonghuaisdiscribed.Inthismethod,fourparametersofthefundamen-talfrequencytrajectoryareselectedbasedonalargenumberofstatisticalexperiments.ItisassumedthatthefourparameterssatisfymultidimensionalGaussiondistributionandanon-Euclideandistancefunctionforeachtoneclassisderivedaccordingtotheruleofminimumprobabilityofcalssificationerror.theoptimaldecisionresultsareobtainedinasenseofstatistics.Itisprovedthatthismethodprovidesverysatisfactoryresultsbytheexperimentsforspeaker-independenttoneclassificationofPutonghua.
作者
机构地区 不详
出处 《声学学报:英文版》 1989年4期
出版日期 1989年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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