Frication of high vowels has three levels in auditory impression,including non-frication,low frication,and high frication.The aim of this study was to study the acoustic characteristics and social variability of the t...Frication of high vowels has three levels in auditory impression,including non-frication,low frication,and high frication.The aim of this study was to study the acoustic characteristics and social variability of the three levels via the method of multivariate statistical modeling.We estimated the weighting of each parameter by fitting the model of Boosted Logistic Regression to obtain the optimal parametric set.Pattern recognition then quantified the social variability with the optimal set.It showed that the acoustic characteristics of the vowel frication are mainly reflected in the formants,of which the second bandwidth (B2) plays the most prominent role in distinguishing the three levels.Three dimensional diagrams further illustrated that the high frication group has the greatest B2 value,with the smallest first formant (F1) and skewness,while the non-frication group is completely the opposite.Results of pattern recognition showed that the degrees of variation in age and gender are both close to 19%,where the higher the frication level is,the greater the variability is.This paper thus suggested that low frication variants should be treated as fricative approximants,instead of fricative vowels as reported in the literature.展开更多
本文利用发音生理和声学语音材料讨论吴语宁波方言和苏州方言的前高元音的区别特征。文章发现宁波话3个前高元音[i y Y]拥有相似的舌位,其区别主要来自于唇型不同,其中[i]为展唇、[y]为水平撮唇、[Y]为垂直撮唇;苏州话4个前高元音[i y I...本文利用发音生理和声学语音材料讨论吴语宁波方言和苏州方言的前高元音的区别特征。文章发现宁波话3个前高元音[i y Y]拥有相似的舌位,其区别主要来自于唇型不同,其中[i]为展唇、[y]为水平撮唇、[Y]为垂直撮唇;苏州话4个前高元音[i y I Y]之间音位对立的区别特征则是[擦音性],苏州[I Y]在声学语音上可与一般语言中的前高元音[i y]类比,而苏州[i y]则是带有强摩擦的元音。结合语音学分析与历史演变脉络,文章认为两地前高元音之间这种强标记性的音位对立格局的形成来源于高元音继续高化这一历史音变。展开更多
基金supported by the National Social Science Foundation of China(19BYY048)the Major Program of the National Social Science Foundation of China(19ZDA307)
文摘Frication of high vowels has three levels in auditory impression,including non-frication,low frication,and high frication.The aim of this study was to study the acoustic characteristics and social variability of the three levels via the method of multivariate statistical modeling.We estimated the weighting of each parameter by fitting the model of Boosted Logistic Regression to obtain the optimal parametric set.Pattern recognition then quantified the social variability with the optimal set.It showed that the acoustic characteristics of the vowel frication are mainly reflected in the formants,of which the second bandwidth (B2) plays the most prominent role in distinguishing the three levels.Three dimensional diagrams further illustrated that the high frication group has the greatest B2 value,with the smallest first formant (F1) and skewness,while the non-frication group is completely the opposite.Results of pattern recognition showed that the degrees of variation in age and gender are both close to 19%,where the higher the frication level is,the greater the variability is.This paper thus suggested that low frication variants should be treated as fricative approximants,instead of fricative vowels as reported in the literature.
文摘本文利用发音生理和声学语音材料讨论吴语宁波方言和苏州方言的前高元音的区别特征。文章发现宁波话3个前高元音[i y Y]拥有相似的舌位,其区别主要来自于唇型不同,其中[i]为展唇、[y]为水平撮唇、[Y]为垂直撮唇;苏州话4个前高元音[i y I Y]之间音位对立的区别特征则是[擦音性],苏州[I Y]在声学语音上可与一般语言中的前高元音[i y]类比,而苏州[i y]则是带有强摩擦的元音。结合语音学分析与历史演变脉络,文章认为两地前高元音之间这种强标记性的音位对立格局的形成来源于高元音继续高化这一历史音变。
