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Verification of the effect of articulatory instruction in pronunciation training and proposal of the visual support display based on it

Research Project

Project/Area Number 16K02897
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Foreign language education
Research InstitutionTokyo Denki University

Principal Investigator

Oura Izumi  東京電機大学, 未来科学部, 教授 (50180914)

Research Collaborator Matsudaira Keiichi  
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥260,000 (Direct Cost: ¥200,000、Indirect Cost: ¥60,000)
Fiscal Year 2017: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2016: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Keywords英語発音訓練 / 音声解析 / 声道断面積 / 調音教示 / 発音時頭部矢状MR画像解析 / 発音訓練視覚的支援 / 調音時舌形状推定 / 調音指示 / 表情筋電位信号 / 頭部矢状断面MR画像 / 口唇形状推定 / 発音教示法 / 発音訓練の視覚的支援 / 声道断面積推定 / PARCOR係数 / 音声信号処理 / 音声学 / 視覚化
Outline of Final Research Achievements

In English pronunciation training of Japanese speaker, the inability of the trainee to recognize the auditory features of English phoneme and the inability to understand the articulation method of the inexperienced phoneme hinder the promotion of training. In this study, the training effect was evaluated by the acoustic features of the trainee's voice and by estimated shape of the lip and tongue. As a result, the instructions can be roughly classified into those that control the front-and-back position and the up-and-down position in the oral cavity of the highest point of the tongue. The front-and-back position is strongly correlated with the second formant and the sideways opening of the mouth, while the up-and-down position is correlated with the sideways opening of the mouth but is insufficient to facilitate training. In addition to this, it is shown that the lip protrusion take effect to move the tongue highest position to front and it is detected by vocal tract area function.

Academic Significance and Societal Importance of the Research Achievements

発音訓練における発音教示という観点から調音動作と音声の音響学的特徴の関係を、数理モデルを構築することにより解析した。発音時の口腔内舌面最高点の位置とフォルマントの相関は強いものの、口唇突出動作による舌面最高点の移動は声道断面積関数による検出が有利であること明らかにした。さらに提唱されている発音教示法の効果を検証することにより、口唇開閉、突出動作に関する発音教示の示唆を得た点に学術的意義がある。
社会のグローバル化に伴い母語以外の言語修得が推奨されている。英語はその代表的言語であり、本研究は発音訓練の独学者や不慣れな指導者が訓練、教示の効果や調音のメカニズムの理解の促進に寄与すると期待できる。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (15 results)

All 2018 2017 2016

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (12 results) (of which Int'l Joint Research: 3 results)

  • [Journal Article] A Study on Visual Support Way in English Pronunciation Training System and Consideration on Pronunciation Instructions2018

    • Author(s)
      Karigome Ryosuke、Matsudaira Keiichi、Hanazaki Izumi
    • Journal Title

      IEEJ Transactions on Electronics, Information and Systems

      Volume: 138 Issue: 10 Pages: 1248-1259

    • DOI

      10.1541/ieejeiss.138.1248

    • NAID

      130007491636

    • ISSN
      0385-4221, 1348-8155
    • Year and Date
      2018-10-01
    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Use of Reflection Coefficients of Burg’s Method for Improvement of Visual Support Way in Pronunciation Practice2018

    • Author(s)
      Karigome Ryosuke、Hanazaki Izumi
    • Journal Title

      Transactions of the Institute of Systems, Control and Information Engineers

      Volume: 31 Issue: 6 Pages: 220-227

    • DOI

      10.5687/iscie.31.220

    • NAID

      130007484406

    • ISSN
      1342-5668, 2185-811X
    • Year and Date
      2018-06-10
    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Development of Visual Support Way for Pronunciation Practice Using Reflection Coefficients of Burg's Method2017

    • Author(s)
      Ryosuke Karigome, Izumi Hanazaki
    • Journal Title

      Proceedings of the 48th ISCIE International Symposium on Stochastic Systems Theory and Its Applications

      Volume: - Pages: 197-202

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Presentation] 表情筋電位を用いた発音時口唇運動モデル構築と発音訓練教示法への応用にむけた検討2018

    • Author(s)
      佐藤 広健、松本 征輝、花崎 泉
    • Organizer
      システム制御情報学会研究発表講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 表情筋電位信号による英語/日本語調音時の口唇動作の解析2018

    • Author(s)
      吉原恭子,大西将史,松平圭一, 花崎 泉
    • Organizer
      電気学会 電子・情報・システム部門大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Construction of Pronunciation Instructions on Tongue and Lips Movements based on Formants of Speech Signal2018

    • Author(s)
      Kyoko Yoshiwara, Izumi Hanazaki
    • Organizer
      SCIE International Symposium on Stochastic Systems Theory and Its Applications
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 発音訓練のためのフォルマント教示生成とその評価2017

    • Author(s)
      笹川 隆史、苅米 亮介、二瓶 翔太、花崎 泉
    • Organizer
      電気学会電子・情報・システム部門大会
    • Related Report
      2017 Research-status Report
  • [Presentation] 発音訓練における調音教示法と音響的特徴の関係2017

    • Author(s)
      苅米 亮介、松平 圭一、花崎 泉
    • Organizer
      電気学会電子・情報・システム部門大会
    • Related Report
      2017 Research-status Report
  • [Presentation] 佐藤 広健、花崎 泉2017

    • Author(s)
      部分空間法を用いた表情筋の筋電位信号による 口唇動作同定と発音訓練への応用
    • Organizer
      電気学会電子・情報・システム部門大会
    • Related Report
      2017 Research-status Report
  • [Presentation] Modelling of Lips Movement from Facial Muscles Electromyography Signal and Its Application to Pronunciation Training2017

    • Author(s)
      Hirotake Sato, Izumi Hanazaki
    • Organizer
      International Symposium on Stochastic Systems Theory and Its Applications
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Development of Visual Support Way for Pronunciation Practice Using Reflection Coefficients of Burg's Method2016

    • Author(s)
      Ryosuke Karigome, Izumi Hanazaki
    • Organizer
      International Symposium on Stochastic Systems Theory and Its Applications
    • Place of Presentation
      福岡工業大学(福岡県福岡市)
    • Year and Date
      2016-11-04
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] 生成モデルを用いた適切な発音の音響的特徴の推定2016

    • Author(s)
      笹川隆史、苅米亮介、花崎泉
    • Organizer
      電気学会 電子・情報・システム部門大会
    • Place of Presentation
      神戸大学(兵庫県神戸市)
    • Year and Date
      2016-08-31
    • Related Report
      2016 Research-status Report
  • [Presentation] 発音訓練における視覚的支援のための顔モデルの生成に関する試み2016

    • Author(s)
      佐藤広健、苅米亮介、松平圭一、花崎泉
    • Organizer
      電気学会 電子・情報・システム部門大会
    • Place of Presentation
      神戸大学(兵庫県神戸市)
    • Year and Date
      2016-08-31
    • Related Report
      2016 Research-status Report
  • [Presentation] Burg法の反射係数を用いた発音訓練支援システムにおけるリアルタイム性の向上2016

    • Author(s)
      苅米亮介、花崎泉
    • Organizer
      システム制御情報学会
    • Place of Presentation
      京都テルサ(京都府京都市)
    • Year and Date
      2016-05-25
    • Related Report
      2016 Research-status Report
  • [Presentation] EMG信号を用いた発音時の口唇形状の変化を提示する顔モデルの生成2016

    • Author(s)
      佐藤広健、岩永渉、花崎泉
    • Organizer
      システム制御情報学会
    • Place of Presentation
      京都テルサ(京都府京都市)
    • Year and Date
      2016-05-25
    • Related Report
      2016 Research-status Report

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Published: 2016-04-21   Modified: 2020-03-30  

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