Acoustic analysis of Chinese fricatives and affricates
普通话擦音和塞擦音的声学分析
Jan-Olof Svantesson 史严

Abstract 摘要
In this article a method of analyzing and describing the acoustic properties of fricatives is developed and is applied to the fricatives and to the fricative components of the affricates of Standard Chinese. The method consists of making frequency spectra using the Fast Fourier Transform and then analyzing the spectra in terms of critical bands. Three measures are proposed for characterizing the fricative spectra: the center of gravity, the dispersion, and the mean intensity level. The six fricatives of Chinese, and the fricative components of the six affricates are analyzed by this method, and comparison with other languages is made. There is also some discussion of the significance of the results for the perception of Standard Chinese fricatives, and of the relation of the method to distinctive feature theory.

本文章里发展一种分析和描写擦音声学性质的方法，并用这种方法分析汉语普通话的擦音。使用的方法是先作快速傅里叶变换频率谱，然后用临界带分析这些图谱，同时计算三个特征测度：谱的重心，分散程度和平均强度级。本文章里用这些方法分析汉语普通话的六个擦音和六个塞擦音的擦音成份，同时跟一些别的语言作比较。

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