Acoustic characteristics of stop consonants in fluent reading Chinese Putonghua speech of adult stutterers

查看全文 作　　者：FENG [1]Yongqiang;YAN [2]Qian;GAO [1]Xinglong;PAN [1]Fuping;XING [2]Lili;LIN [2]Chunlan;PAN [1]Jielin

机构地区：[1]Key Laboratory of Speech Acoustics and Content Understanding,Institute of Acoustics,Chinese Academy of Sciences;[2]Lin's Speech Training Center

出　　处：《Chinese Journal of Acoustics》索引2013年第32卷第3期,共11页

基　　金：supported by the National Natural Science Foundation of China(10874203,10925419, 90920302,61072124,11074275,11161140319,91120001,61271426);Strategic Priority Research Program of the Chinese Academy of Sciences(XDA06030100,XDA06030500);National 863 Program(2012AA012503);CAS Priority Deployment Project(KGZD-EW-103-2) 摘　　要：This study investigated whether adults who stutter and normal adult speakers differ in the production of stop consonants in fluent reading Chinese Putonghua speech.Voice onset time(VOT) was measured and the spectral moments at the stop burst were calculated for the stutterers(both before and after the speech therapy) and also for the nonstutterers. The statistical results showed that there were no significant differences in VOT between the nonstutterers and stutterers either prior to or after therapy,although the mean VOT of the stutterers was slightly greater than that of the nonstutterers.The results also indicated that both the obstruction place and the subsequent syllabic final exhibited an influence to a greater extent on VOT for the stutterers.In the spectral domain,the spectral mean of the stuttering participants before therapy was significantly different from that of the normal participants, whereas the group difference became insignificant after the therapy session.The smaller spectral mean for the stutterers might be interpreted as a more posterior occlusion in the oral cavity when producing alveolars and velars.In addition,productions of the stutterers scattered with a wider range in the space of spectral moments.Furthermore,the smaller main effect of syllabic finals on the mean spectral frequency of the burst suggested that the stutterers exhibited weaker anticipatory coarticulation than the nonstutterers. 关键词：普通话声学特性语音中文阅读成年正常成人起始时间

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Acoustic characteristics of stop consonants in fluent reading Chinese Putonghua speech of adult stutterers

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