2023 Fiscal Year Final Research Report
Education in Acoustics and Speech Science with ICT using Vocal-tract Models
| Project/Area Number |
21K02889
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Review Section |
Basic Section 09080:Science education-related
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| Research Institution | Sophia University |
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Principal Investigator |
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| Project Period (FY) |
2021-04-01 – 2024-03-31
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| Keywords | 自然科学教育 / 音響教育教材開発 / 音声生成 / 声道模型 / 母音・子音 / ICT / 可視化・可聴化 |
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| Outline of Final Research Achievements |
To intuitively teach how we produce speech sounds, we continued to develop physical models of the human vocal tract and the larynx, and we implemented them for education in acoustics. The outcomes were evaluated by collaborators inside and outside Japan. As the demand for online educational tools has increased globally, we also expanded the contents of our
"Acoustic-Phonetics Demonstrations"
website. In addition, to accelerate the integration of ICT in our educational system, we developed several systems in which PCs are used to control the vocal-tract models. In the resulting speech dynamics systems, vowels and consonants can be produced using the controls on the PC. In addition, we developed a system that includes a cam mechanism for implementing speech dynamics. Thus, our systems will serve as a bridge between algorithm education, speech synthesis, and speech science.
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| Free Research Field |
音声科学・音声工学を含む音声コミュニケーション、音響学、音響音声学、音響教育
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| Academic Significance and Societal Importance of the Research Achievements |
音響学の基礎教育プログラムの開発は、アメリカ音響学会の原著論文として出版された。その成果の一部は国立民族学博物館の特別展や、インドの科学館、ドイツ・チェコの大学などでも展示され、中高生を対象とした動画も制作・公開した。声道模型には汎用性があり、COVID研究の一環としてエアロゾルや飛沫の飛散についてレーザ光で測定する実験では、人体を危険にさらさず安全かつ高度な実験が実施でき、声帯振動時に飛沫が生まれる様子の再現などにも成果を上げた。また、ブラジルとのオンライン授業では、現地から、我々の研究室にあるロボットアームと声道模型を音声コマンドで遠隔操作し、模型から母音を出力する実演も成功させた。
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