A Comparison of Vowel Normalization Methods and Their Applications
Lei Jiao · Bulletin of Chinese Linguistics · 2010
In this paper I discuss the necessity and possibility of the application of normalization methods in phonetic studies, especially in the acoustic analysis of vowels. I also compare and evaluate the vowel normalization methods listed in Adank et al. (2004), with the method of calculating the centrality of vowels after normalization. The results show that the Z-score method and CLIH1 method are the most effective in centralizing the data and eliminating gender differences.