Acoustic Analiysis Of Harchin Sub-Dialect Vowels

This paper analyzes Harqin sub-dialect vowel system, and establishes《Harchin sub-dialect vowels’acoustic parameters of the database》by using field survey material. The paper analyzes and researches Harchin sub-dialect vowels on the basis of the database. This research has the reference value for the research of speech synthesis, machine translation, speech recognition.This paper is composed of three parts:the introduction, the body and the conclusion. The body text consists of four chapters:Harchin sub-dialect short vowels analysis, Harchin sub-dialect long vowels analysis, Harchin sub-dialect compound vowels analysis and the vowel harmony and word stress of Harchin sub-dialect.The introduction section elaborates experts’related research about Harchin dialect and significance of establishing 《Harchin sub-dialect vowels’acoustic parameters of the database》Chapter one, analyzes Harchin sub-dialect short vowels through acoustic phonetics methods, and presents the pronunciation difference between word-initial short vowels and non-word-initial short vowels through their comparative research. Chapter two, analyzes Harchin sub-dialect long vowels through acoustic phonetics methods, and presents the pronunciation difference between word-initial long vowels and non-word-initial long vowels through their comparative research. Chapter three, analyzes dynamic changes of compound vowels [i(?)][(?)][(?)][oi][u(?)][(?)][ui] through acoustic phonetics methods. Chapter four, analyzes the vowel harmony and word stress of Harchin sub-dialect.The last section summarizes the results of Harchin sub-dialect vowels’acoustic analysis.