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2022 Fiscal Year Final Research Report

Phonological and phonetic explanations for articulatory gestures of Japanese long vowel

Research Project

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Project/Area Number 17K02769
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Japanese linguistics
Research InstitutionTokyo Gakugei University

Principal Investigator

SHIROSE Ayako  東京学芸大学, 教育学部, 教授 (00391988)

Co-Investigator(Kenkyū-buntansha) 北村 達也  甲南大学, 知能情報学部, 教授 (60293594)
Project Period (FY) 2017-04-01 – 2023-03-31
Keywords日本語音声 / モーラリズム / 調音運動の計測 / 磁気センサシステム / 口唇運動の観察 / 日本語話者 / 児童 / 長母音
Outline of Final Research Achievements

The purpose of this research was to elucidate the phonological and phonetic mechanisms and processes of speech production. We focused on the articulatory gestures of Japanese long vowels, and conducted speech production experiments on Japanese speakers of mora rhythm and speakers of different linguistic rhythm systems, to directly observe articulatory movements using a magnetic real-time three-dimensional measurement system. The results of the study revealed that adult native speakers of Japanese differ in the articulatory gestures of long and short vowels. Above results were not obtained in the experiments for children, and a uniform trend could not be ascertained. For non-Japanese speakers, we were unable to obtain a sufficient number of speakers due to the spread of COVID-19.

Free Research Field

日本語音声学

Academic Significance and Societal Importance of the Research Achievements

本研究は,国内外で音声研究の促進が期待されている磁気式リアルタイム三次元運動計測システムを用いて日本語母音の生理学的動態を直接観察することに特色を持ち,音韻論・音声学領域に国際的にも意義深い結果をもたらすものであった。日本語は拍単位の「モーラ」の言語リズムであり,母音の長・短の時間的な相違を語の弁別に用いる。その生理学的な基盤は明瞭とされてきてなく,調音運動の動態を明らかにしたことに本研究の独創的な視点があった。さらに従来,長母音ならびに言語リズムに関し,学童期も含めた発達データの蓄積はなく,学術的意義が高い。また,国語科教育における音声指導の基礎資料を提供するものとして,社会的価値を持つ。

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Published: 2024-01-30  

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