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Modeling the processing mechanisms of temporal structures in spoken Japanese

Research Project

Project/Area Number 18K11366
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 61010:Perceptual information processing-related
Research InstitutionNational Institute of Information and Communications Technology

Principal Investigator

Kato Hiroaki  国立研究開発法人情報通信研究機構, ユニバーサルコミュニケーション研究所先進的音声翻訳研究開発推進センター, 主任研究員 (20374093)

Project Period (FY) 2018-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords音声情報処理 / 第二言語習得
Outline of Final Research Achievements

Aiming to benefit learners who aim to learn Japanese as a non-native language, we have developed a speech database that systematically contains Japanese special morae, focusing on improving the accuracy of temporal information. Based on this data, a temporal structure detection model, which is assumed to be used by humans to perceive the temporal aspects of speech, was created, and elements to facilitate the learning of Japanese were compiled in the form of instructional materials.

Academic Significance and Societal Importance of the Research Achievements

COVID-19による一時的な落ち込みはあったものの、日本語を母語としない話者の日本社会への浸透は今後急速に進むことが見込まれ、音声コミュニケーションによる意思疎通の必要性がより高まる。日本語は長音、促音など特殊拍の成否で了解性や自然性が決定づけられる箇所が多く、学習者の習得レベルによらず共通した問題となっている。特殊拍の識別が一義的には時間的な弁別に帰すること、そのために必要な時間知覚能力は、健聴者であれば、母語によらず十分備わっていることを科学的裏付けとともに知らせるだけでも学習を動機づける一助になると思われる。

Report

(7 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (4 results)

All 2019 2018

All Presentation (4 results) (of which Int'l Joint Research: 2 results,  Invited: 1 results)

  • [Presentation] Perception of Japanese consonant length contrast by native Korean listeners: Influence of L1 phonetic similarity to L2 perception2019

    • Author(s)
      Sonu, M., Kato, H., and Tajima, K.
    • Organizer
      New Sounds 2019: The 9th International Symposium on the Acquisition of Second Language Speech
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Bias toward geminate stop consonants in Japanese by Korean listeners: Cross-language comparison of perceptual boundaries of stop consonants2018

    • Author(s)
      Sonu, M., Kato, H., and Tajima, K.
    • Organizer
      韓国音声学会秋季学術大会
    • Related Report
      2018 Research-status Report
  • [Presentation] Acoustic and perceptual evaluation of Japanese geminates produced by L2 learners2018

    • Author(s)
      Hirata, Y. and Kato, H.
    • Organizer
      International Conference on Phonetics and Phonology
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 本語学習者の促音と非促音の発話特性―リズム・強さの不自然性の印象と客観的指標との関係―2018

    • Author(s)
      鮮于媚, 加藤宏明, 田嶋圭一
    • Organizer
      日本音響学会秋季研究発表会
    • Related Report
      2018 Research-status Report

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Published: 2018-04-23   Modified: 2025-01-30  

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