Acoustic features for naturalness of Japanese spoken by non-native speakers

2016 Fiscal Year Final Research Report

• Project/Area Number: 26370464
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Linguistics
• Research Institution: Shokei University (2015-2016); Aichi Shukutoku University (2014)
• Principal Investigator: Yamakawa Kimiko 尚絅大学, 文化言語学部, 准教授 (80455196)
• Project Period (FY): 2014-04-01 – 2017-03-31
• Keywords: 自然性 / 日本語 / 相対時間長 / 相対基本周波数 / 相対VOA / 相対強度

Outline of Final Research Achievements

To clarify acoustic features related to speech naturalness of non-native speakers of Japanese, Japanese native speakers rated naturalness of Japanese words spoken by Japanese, Chinese, Korean, Thai, Vietnamese, and French speakers. Multiple regression analysis showed that absolute value of standardized partial regression coefficients is large for relative fundamental frequency,relative duration or relative VOA (Voice Onset Asynchrony).This result suggests that speech naturalness of non-native speakers relates to these acoustic features.

Free Research Field

音声科学