acoustic phonetics
2.Part I deals with background material in the acoustic theory of speech production, acoustic-phonetics, and signal representation.
3.Based on analysis of initial and non-initial short vowels, long vowels and its sound length , particular pictures of diphthongs, extra-short vowels, vowel harmony and word stress of Ujumchin vernacular by the acoustic phonetics methods, this article has given a detailed description on the phonetic features of Ujumchin vowel system.
