准动态元音分析方法

A SEMI-DYNAMIC METHOD FOR SPECTROGRAPHIC ANALYSIS OF VOWELS

摘要: 文中提出一种用基频扫描和频谱重叠——准动态的方法,来较精确地测量元音共振峰和频谱包络.这一方法的优点在于:l)测量方法简单,并且直接获得结果,不需引入某些假定或近似条件来进行计算;2)可得到较多的简正方式,特别是,对一些高元音,用传统的方法不易直接测得第一共振峰;3)这一方法还特别适应并发挥了汉语作为有声调语言的特点.
在运用本文所述方法进行分析的过程中,还指出了,对于汉语声调和共振峰不仅在发音过程中而且在感知过程中也是相互独立的.文中还给出了普通话十个单元音的第一、第二共振峰的数据.

Abstract: A semi-dynamic method for spectral analysis of vowels based on the fundamental frequency scanning and the spectrum superposition is presented in this paper, for the purpose of precisely measuring the formant frequencies and the spectrum envelops of vowels. The advantages of this method are 1. simple, 2. more normal modes may be observed, and 3. the utterance is well fitted for tone language especially for Chinese.
This paper also showed that the fundamental frequency and formant are independent of each other in both articulation process and perception process for Chinese. The average values of F₁ and F₂ of standard Chinese were given in this paper too.