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Yoshinaga Tsukasa
吉永 司
Yoshinaga Tsukasa
吉永 司
Graduate School of Engineering Science Department of Mechanical Science and Bioengineering, Assistant Professor

keyword Musical acoustics,Acoustics,Biomedical Engineering,Fluid Dynamics,Turbulence,Phonetics,Aeroacoustics

Research History 5

  1. 2023/04 - Present
    Osaka University Graduate School of Engineering Science Assistant Professor

  2. 2024/04 - 2025/03
    University of California, Los Angeles Department of Head and Neck Surgery Visiting Scholar

  3. 2019/04 - 2023/04
    Toyohashi University of Technology

  4. 2018/04 - 2019/03
    Osaka University Graduate School of Engineering Science

  5. 2015/04 - 2018/03
    日本学術振興会 特別研究員(DC1)

Education 2

  1. Osaka University Graduate School of Engineering Science Department of Mechanical Science and Bioengineering

    2013/04 - 2018/03

  2. Osaka University School of Engineering Science Direct Affiliates Department of Systems Science

    2011/04 - 2013/03

Committee Memberships 4

  1. The Technical Committee on Speech Communication, the Acoustical Society of Japan Secretary Academic society

    2023/04 - Present

  2. 日本機械学会 第36回計算力学講演会(CMD2023) 実行委員 Academic society

    2023/01 - 2023/11

  3. 日本流体力学会中部支部 会計 Academic society

    2021/04 - 2022/03

  4. 日本機械学会 第97期流体工学部門講演会実行委員 Academic society

    2019/04 - 2019/11

Professional Memberships 4

  1. The Japan Society of Logopedics and Phoniatrics

  2. 日本音響学会

  3. Acoustical Society of America

  4. THE JAPAN SOCIETY OF MECHANICAL ENGINEERS

Research Areas 4

  1. Humanities & social sciences / Linguistics / Phonetics

  2. Life sciences / Rehabilitation science / dysarthria and dysphonia

  3. Life sciences / Biomedical engineering /

  4. Manufacturing technology (mechanical, electrical/electronic, chemical engineering) / Fluid engineering /

Awards 9

  1. IDRE Postdoctoral Fellowship

    UCLA 2024/09

  2. 粟屋 潔学術奨励賞

    吉永司 日本音響学会 2022/09

  3. 優秀賞

    吉永司 日本顎口腔機能学会第65回学術大会 2021/06

  4. 奨励賞(研究)

    吉永司 日本機械学会 2021/04

  5. ベストCFDグラフィックスアワード委員会特別賞

    吉永 司 第32回数値流体力学シンポジウム 2018/12

  6. Travel Award

    Tsukasa Yoshinaga 5th Switzerland-Japan Workshop on Biomechanics 2017/09

  7. 基礎工学研究科賞

    吉永 司 大阪大学 2015/03

  8. 若手優秀講演フェロー賞

    吉永 司 日本機械学会 2014/01

  9. Best Presentation Award

    吉永 司 日本機械学会関西学生会平成24年度学生員卒業研究発表講演会 2013/03

Papers 40

  1. Effects of false vocal fold adduction and aryepiglottic sphincter narrowing on the voice source in a three-dimensional voice production model

    Tsukasa Yoshinaga, Zhaoyan Zhang

    The Journal of the Acoustical Society of America Vol. 157 No. 4 p. 2408-2421 2025/04/01 Research paper (scientific journal)

    Publisher: Acoustical Society of America (ASA)
  2. A kinematically reasonable mechanism of tongue forward protrusion considering hyoid bone movements

    Kyoichi Inoue, Tomohiro Otani, Kazunori Nozaki, Tsukasa Yoshinaga, Shigeo Wada

    Journal of Biomechanics Vol. 178 p. 112445-112445 2025/01 Research paper (scientific journal)

    Publisher: Elsevier BV
  3. Sound source locations and their roles in Japanese voiceless “glottal” fricative production

    Tsukasa Yoshinaga, Kikuo Maekawa, Akiyoshi Iida

    The Journal of the Acoustical Society of America Vol. 156 No. 5 p. 2935-2948 2024/11/01 Research paper (scientific journal)

    Publisher: Acoustical Society of America (ASA)
  4. Effects of two-dimensional reed oscillation on airflow and sound generation in a single-reed instrument

    Tsukasa Yoshinaga, Reo Baba, Hiroshi Yokoyama, Tetsuro Shoji, Akira Miki, Akiyoshi Iida

    Computers & Fluids Vol. 285 p. 106452-106452 2024/10 Research paper (scientific journal)

    Publisher: Elsevier BV
  5. Restraining vocal fold vertical motion reduces source-filter interaction in a two-mass model

    Tsukasa Yoshinaga, Zhaoyan Zhang, Akiyoshi Iida

    JASA Express Letters Vol. 4 No. 3 2024/03/01 Research paper (scientific journal)

    Publisher: Acoustical Society of America (ASA)
  6. A Relationship Between Vocal Fold Vibration and Droplet Production

    Tsukasa Yoshinaga, Takayuki Arai, Akiyoshi Iida

    Proceedings of INTERSPEECH 2023 p. 4199-4203 2023/08/20 Research paper (international conference proceedings)

    Publisher: ISCA
  7. Effects of vocal fold oscillation characteristics on the aerosol droplet production

    Tsukasa Yoshinaga, Yusuke Yamaya, Tomoya Minami, Hiroki Obata, Haruki Tsuchida, Tomoki Yoshitani, Isao T. Tokuda, Akiyoshi Iida

    Journal of Aerosol Science p. 106251-106251 2023/08 Research paper (scientific journal)

    Publisher: Elsevier BV
  8. On the sound source locations of ‘glottal fricative’ [h]

    Tsukasa Yoshinaga, Kikuo Maekawa, Akiyoshi Iida

    Proceedings of 20th International Congress of Phonetic Science p. 609-613 2023/08 Research paper (international conference proceedings)

  9. Development of Fluctuating Aerodynamic Noise Evaluation Method Using Modulated Power Spectrum

    Hirohito Takimoto, Tsukasa Yoshinaga, Akiyoshi Iida

    Transactions of Society of Automotive Engineers of Japan Vol. 54 No. 4 p. 692-697 2023/06 Research paper (scientific journal)

  10. A linear wake expansion function for the double‐Gaussian analytical wake model

    Qidun Maulana Binu Soesanto, Tsukasa Yoshinaga, Akiyoshi Iida

    Energy Science & Engineering Vol. 11 No. 6 p. 1925-1944 2023/03/02 Research paper (scientific journal)

    Publisher: Wiley
  11. Comparison of one-dimensional and three-dimensional glottal flow models in left-right asymmetric vocal fold conditions

    Tsukasa Yoshinaga, Zhaoyan Zhang, Akiyoshi Iida

    The Journal of the Acoustical Society of America Vol. 152 No. 5 p. 2557-2569 2022/11 Research paper (scientific journal)

    Publisher: Acoustical Society of America (ASA)
  12. Variability in Production of Non-Sibilant Fricative [ç] in /hi/

    Tsukasa Yoshinaga, Kikuo Maekawa, Akiyoshi Iida

    Proceedings of Interspeech 2022 p. 620-624 2022/09/18 Research paper (international conference proceedings)

    Publisher: ISCA
  13. Numerical investigation of effects of tongue articulation and velopharyngeal closure on the production of sibilant [s]

    HsuehJui Lu, Tsukasa Yoshinaga, ChungGang Li, Kazunori Nozaki, Akiyoshi Iida, Makoto Tsubokura

    Scientific Reports Vol. 12 No. 1 2022/09/13 Research paper (scientific journal)

    Publisher: Springer Science and Business Media LLC
  14. Effects of airflow in constricted vocal tracts on vowel production of the reed-type artificial vocal fold

    Tsukasa Yoshinaga, Takayuki Arai, Hiroshi Yokoyama, Akiyoshi Iida

    Acoustical Science and Technology Vol. 43 No. 5 p. 283-286 2022/09/01 Research paper (scientific journal)

    Publisher: Acoustical Society of Japan
  15. Anisotropic double‐Gaussian analytical wake model for an isolated horizontal‐axis wind turbine

    Qidun M. B. Soesanto, Tsukasa Yoshinaga, Akiyoshi Iida

    Energy Science & Engineering Vol. 10 No. 7 p. 2123-2145 2022/04 Research paper (scientific journal)

    Publisher: Wiley
  16. Estimation of sibilant groove formation and sound generation from early hominin jawbones

    Tsukasa Yoshinaga, Kazunori Nozaki, Osamu Kondo, Akiyoshi Iida

    JASA Express Letters Vol. 2 No. 4 p. 045203-045203 2022/04 Research paper (scientific journal)

    Publisher: Acoustical Society of America (ASA)
  17. A fully coupled fluid–structure–acoustic interaction simulation on reed-type artificial vocal fold

    Tsukasa Yoshinaga, Takayuki Arai, Rafia Inaam, Hiroshi Yokoyama, Akiyoshi Iida

    Applied Acoustics Vol. 184 p. 108339-108339 2021/12 Research paper (scientific journal)

    Publisher: Elsevier BV
  18. Numerical investigation of effects of incisor angle on production of sibilant /s/

    HsuehJui Lu, Tsukasa Yoshinaga, ChungGang Li, Kazunori Nozaki, Akiyoshi Iida, Makoto Tsubokura

    Scientific Reports Vol. 11 No. 1 2021/12 Research paper (scientific journal)

    Publisher: Springer Science and Business Media LLC
  19. Comparison Between Lumped-Mass Modeling and Flow Simulation of the Reed-Type Artificial Vocal Fold

    Inaam, R, Yoshinaga, T, Arai, T, Yokoyama, H, Iida, A

    Proceedings of Interspeech 2021 Vol. 4 p. 3181-3185 2021/09 Research paper (international conference proceedings)

  20. A Simplified Model for the Vocal Tract of [s] with Inclined Incisors

    Yoshinaga, T, Tada, K, Nozaki, K, Iida, A

    Proceedings of Interspeech 2021 p. 3166-3170 2021/09 Research paper (international conference proceedings)

  21. Fluid-structure-acoustic interaction simulation of the reed-type artificial vocal fold with a cylindrical vocal tract

    吉永司, 荒井隆行, INAAM Rafia, 横山博史, 飯田明由

    ながれ Vol. 40 No. 3 p. 226-233 2021/07 Research paper (scientific journal)

    Publisher:
  22. Aeroacoustic differences between the Japanese fricatives [ɕ] and [ç]

    Tsukasa Yoshinaga, Kikuo Maekawa, Akiyoshi Iida

    The Journal of the Acoustical Society of America Vol. 149 No. 4 p. 2426-2436 2021/04 Research paper (scientific journal)

  23. Global numerical simulation of fluid-structure-acoustic interaction in a single-reed instrument

    Tsukasa Yoshinaga, Hiroshi Yokoyama, Tetsuro Shoji, Akira Miki, Akiyoshi Iida

    The Journal of the Acoustical Society of America Vol. 149 No. 3 p. 1623-1632 2021/03 Research paper (scientific journal)

  24. Hysteresis of aeroacoustic sound generation in the articulation of [s]

    Tsukasa Yoshinaga, Kazunori Nozaki, Akiyoshi Iida

    Physics of Fluids Vol. 32 No. 10 p. 105114-105114 2020/10/01 Research paper (scientific journal)

  25. Acoustic modeling of fricative /s/ for an oral tract with rectangular cross-sections

    T.Yoshinaga, A. Van Hirtum, K. Nozaki, S. Wada

    Journal of Sound and Vibration Vol. 476 2020/06 Research paper (scientific journal)

  26. A simplified vocal tract model for articulation of [s]: The effect of tongue tip elevation on [s]

    Yoshinaga, T, Nozaki, K, Wada, S

    PLoS ONE Vol. 14 No. 10 2019/10 Research paper (scientific journal)

  27. Individual Differences of Airflow and Sound Generation in the Vocal Tract of Sibilant /s/

    T. Yoshinaga, K.Nozaki, S.Wada

    Proceedings of INTERSPEECH 2019 Vol. 2019-September p. 131-135 2019/09 Research paper (international conference proceedings)

  28. Aeroacoustic analysis on individual characteristics in sibilant fricative production

    Yoshinaga, T, Nozaki, K, Wada, S

    The Journal of the Acoustical Society of America Vol. 146 No. 2 p. 1239-1251 2019/08 Research paper (scientific journal)

  29. Attraction of posture and motiontrajectory elements of conspecific biological motion in medaka fish

    Atsushi Shibai, Tsunehiro Arimoto, Tsukasa Yoshinaga, Yuta Tsuchizawa, Dashdavaa Khureltulga, Zuben P. Brown, Taishi Kakizuka, Kazufumi Hosoda

    Scientific Reports Vol. 8 No. 1 2018/12/01 Research paper (scientific journal)

    Publisher: Nature Publishing Group
  30. Experimental and numerical investigation of the sound generation mechanisms of sibilant fricatives using a simplified vocal tract model

    Tsukasa Yoshinaga, Kazunori Nozaki, Shigeo Wada

    Physics of Fluids Vol. 30 No. 3 2018/03/01 Research paper (scientific journal)

    Publisher: American Institute of Physics Inc.
  31. Experimental and Computational Analysis on Aeroacoustic Mechanisms of Sibilant Fricative

    Tsukasa Yoshinaga

    Osaka University 2018/03 Doctoral thesis

  32. Influence of the lip horn on acoustic pressure distribution pattern of sibilant /s/

    Tsukasa Yoshinaga, Annemie Van Hirtum, Kazunori Nozaki, Shigeo Wada

    Acta Acustica united with Acustica Vol. 104 No. 1 p. 145-152 2018/01/01 Research paper (scientific journal)

    Publisher: S. Hirzel Verlag GmbH
  33. Multimodal modeling and validation of simplified vocal tract acoustics for sibilant /s/

    T. Yoshinaga, A. Van Hirtum, S. Wada

    JOURNAL OF SOUND AND VIBRATION Vol. 411 p. 247-259 2017/12 Research paper (scientific journal)

  34. Visualization of sibilant fricatives using aeroacoustic analysis and large-scale visualization system

    Tsukasa Yoshinaga, Kazunori Nozaki, Kensuke Yasufuku, Yoshiyuki Kido, Shinji Shimojo, Shigeo Wada

    p. 56-59 2017/11 Research paper (other academic)

  35. Model-based inverse estimation for active contraction stresses of tongue muscles using 3D surface shape in speech production

    Narihiko Koike, Satoshi Ii, Tsukasa Yoshinaga, Kazunori Nozaki, Shigeo Wada

    JOURNAL OF BIOMECHANICS Vol. 64 p. 69-76 2017/11 Research paper (scientific journal)

  36. Effects of tongue position in the simplified vocal tract model of Japanese sibilant fricatives /S/ and /integral/

    Tsukasa Yoshinaga, Kazunori Nozaki, Shigeo Wada

    JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA Vol. 141 No. 3 p. EL314-EL318 2017/03 Research paper (scientific journal)

  37. Experimental validation of sound generated from flow in simplified vocal tract model of sibilant/s/

    Tsukasa Yoshinaga, Kazunori Nozaki, Shigeo Wada

    Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH Vol. 08-12- p. 3584-3587 2016 Research paper (international conference proceedings)

    Publisher: International Speech and Communication Association
  38. Study on production mechanisms of sibilants using simplified vocal tract model

    T.Yoshinaga, N.Koike, K.Nozaki, S.Wada

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings Vol. 250 No. 1 p. 5662-5669 2015/08 Research paper (international conference proceedings)

  39. Sibilant /s/ Simulator Based on Computed Tomography Images and Dental Casts

    K. Nozaki, T. Yoshinaga, S. Wada

    JOURNAL OF DENTAL RESEARCH Vol. 93 No. 2 p. 207-211 2014/02 Research paper (scientific journal)

  40. Effects of the position of tongue on the sound generation of sibilant/S/

    T. Yoshinaga, K. Nozaki, Shigeo Wada

    IFMBE Proceedings Vol. 43 p. 364-367 2014 Research paper (international conference proceedings)

    Publisher: Springer Verlag

Misc. 38

  1. (Singing) Voice Production of Vocal Fold Vibration

    Tsukasa Yoshinaga

    Vol. 43 p. 304-309 2024/12

  2. Prediction of voice quality changes using numerical simulation of vocal fold vibrations

    Tsukasa Yoshinaga

    Precision Medicine 2024/10 Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media)

  3. Aeroacoustic simulation of speech production and visualization of acoustic directivity patterns

    吉永司, 飯田明由

    日本音響学会研究発表会講演論文集(CD-ROM) Vol. 2023 2023

  4. Influence of Jet Direction on Flow and Sound of the Flute

    小野木君枝, 横山博史, 飯田明由, 吉永司

    ながれ Vol. 42 No. 2 2023

  5. Investigation of the effects of articulation style on droplet generation using reed-type artificial vocal folds and vocal tract models

    南智哉, 吉永司, 荒井隆行, 飯田明由

    日本音響学会研究発表会講演論文集(CD-ROM) Vol. 2023 2023

  6. Effects of horizontal and vertical stiffness ratio on the vibration characteristics of a two-mass vocal fold model

    黒澤大樹, 吉永司, 飯田明由

    日本音響学会研究発表会講演論文集(CD-ROM) Vol. 2023 2023

  7. 管楽器の空力音響解析

    吉永司, 横山博史

    フルードパワーシステム学会誌 Vol. 53 No. 4 p. 170-174 2022/07 Article, review, commentary, editorial, etc. (scientific journal)

  8. Noise source identification of flow-induced inside-noise of motorcycle helmets

    戸倉大和, 飯田明由, 吉永司, 大田浩嗣

    日本機械学会流体工学部門講演会講演論文集(CD-ROM) Vol. 100th 2022

  9. Optimization of microphone arrangements in microphone arrays for wavenumber-frequency spectrum measurements

    小川勝矢, 吉永司, 飯田明由

    日本機械学会流体工学部門講演会講演論文集(CD-ROM) Vol. 100th 2022

  10. Effects of tongue tip and incisor shapes on the production of sibilant fricative [s]

    吉永司, 多田耕平, 野崎一徳, 飯田明由

    日本顎口腔機能学会学術大会プログラム・事前抄録集 Vol. 67th 2022

  11. Three-dimensional compressible flow simulation on the two-mass model of vocal folds

    吉永司, ZHANG Zhaoyan, 飯田明由

    日本音響学会研究発表会講演論文集(CD-ROM) Vol. 2022 2022

  12. Modulation spectrum analysis of fluctuating aerodynamic noise generated by an active turbulence generator

    瀧本裕仁, 吉永司, 飯田明由

    日本機械学会流体工学部門講演会講演論文集(CD-ROM) Vol. 99th 2021

  13. Vocal tract model for speech production of [s] considering incisor angle

    吉永司, 多田耕平, 野崎一徳, 飯田明由

    日本顎口腔機能学会学術大会プログラム・事前抄録集 Vol. 65th 2021

  14. Effects of airflow in constricted vocal tracts on vowel productions of the reed-type artificial vocal fold

    吉永司, 荒井隆行, 横山博史, 飯田明由

    日本音響学会研究発表会講演論文集(CD-ROM) Vol. 2021 2021

  15. Short-time vowel generation using an electromagnetically controlled reed-type artificial larynx

    小泉正樹, 吉永司, 荒井隆行, 飯田明由

    日本音響学会研究発表会講演論文集(CD-ROM) Vol. 2021 2021

  16. Effect of Conversation on the Infection Risk of COVID-19 Transmission

    飯田明由, 吉永司

    日本音響学会研究発表会講演論文集(CD-ROM) Vol. 2021 2021

  17. Numerical simulation of the articulation process of sibilant /s/ production

    呂學叡, 杉本咲耶, 吉永司, 李崇綱, 野崎一徳, 飯田明由, 坪倉誠

    数値流体力学シンポジウム講演論文集(CD-ROM) Vol. 35th 2021

  18. Effects of flow and sound in a constricted vocal tract on oscillation characteristics of reed-type artificial vocal fold

    吉永司, 荒井隆行, 横山博史, 飯田明由

    数値流体力学シンポジウム講演論文集(CD-ROM) Vol. 35th 2021

  19. 発音の不思議に流体力学と「京」で切りこむ

    吉永司, 野崎一徳, 和田成生

    ポスト京重点課題2Newsletter vol.16 2019/07 Article, review, commentary, editorial, etc. (other)

  20. Deformation simulations by the tongue model considering subject-specific muscle fiber orientations based on diffusion tensor imaging

    竹中峻, 吉永司, 野崎一徳, 伊井仁志, 和田成生

    システム制御情報学会研究発表講演会講演論文集(CD-ROM) Vol. 63rd 2019

  21. Deformation simulations by the subject-specific tongue mechanical model based on medical images

    竹中峻, 吉永司, 野崎一徳, 伊井仁志, 和田成生

    日本機械学会バイオフロンティア講演会講演論文集(CD-ROM) Vol. 30th 2019

  22. Study on pseudo sound field caused by flow around an automobile

    WANG Xifeng, 吉永司, 横山博史, 飯田明由

    日本機械学会流体工学部門講演会講演論文集(CD-ROM) Vol. 97th 2019

  23. Development of decomposition method of flow and sound fields around vehicle using MEMS microphone array

    水尻健太, 吉永司, 横山博史, 飯田明由

    日本機械学会流体工学部門講演会講演論文集(CD-ROM) Vol. 97th 2019

  24. Effects of free-stream turbulence on aerodynamic performance of airfoil

    近藤雅之, 吉永司, 横山博史, 飯田明由

    日本機械学会流体工学部門講演会講演論文集(CD-ROM) Vol. 97th 2019

  25. Effects of tongue elevation speed and glottal flow control on the production of sibilant /s/

    Yoshinaga, T, Nozaki, K, Wada, S

    Nagare Vol. 37 No. 6 p. 512-515 2018/12 Article, review, commentary, editorial, etc. (scientific journal)

  26. 歯茎摩擦音の流体音響メカニズム:「ス」と「シ」の違いを科学する

    和田成生, 吉永司, 伊井仁志, 野崎一徳

    関西大学先端科学技術シンポジウム講演集 Vol. 22nd 2018/01/18 Lecture material (seminar, tutorial, course, lecture, etc.)

  27. 気道および肺実質内の音響伝播モデルを用いた肺音伝播メカニズムの考察

    竹田圭佑, 伊井仁志, 吉永司, 越山顕一朗, 和田成生

    バイオエンジニアリング講演会講演論文集(CD-ROM) Vol. 31st 2018

  28. Deformation simulation of the tongue during speech production by the mechanical tongue model based on medical images

    竹中峻, 吉永司, 野崎一徳, 伊井仁志, 和田成生

    日本機械学会計算力学講演会論文集(CD-ROM) Vol. 31st 2018

  29. 肺実形状に基づいた肺葉内気道分岐モデルを用いた肺音分布の音響解析

    竹田圭佑, 吉永司, 越山顕一朗, 伊井仁志, 和田成生

    バイオエンジニアリング講演会講演論文集(CD-ROM) Vol. 30th 2017/12/13 Research paper, summary (national, other academic conference)

  30. 肺実形状に基づいた気道分岐モデルを用いた気道内の音響解析

    竹田圭佑, 吉永司, 越山顕一朗, 伊井仁志, 和田成生

    日本機械学会バイオフロンティア講演会講演論文集 Vol. 28th (CD-ROM) 2017/10/27 Research paper, summary (national, other academic conference)

  31. 「話す」ために 「ああすればこうなる」を

    吉永司, 野崎一徳, 和田成生, 玉川裕夫

    ポスト京重点課題2Newsletter vol.3 2017/05 Article, review, commentary, editorial, etc. (other)

  32. 医用画像に基づく舌筋線維応力の逆解析

    小池成彦, 吉永司, 野崎一徳, 伊井仁志, 和田成生

    バイオエンジニアリング講演会講演論文集(CD-ROM) Vol. 29th 2017/01/18 Research paper, summary (national, other academic conference)

  33. 舌先端と下前歯の間のキャビティが歯茎摩擦音/s/に与える影響

    小池成彦, 吉永司, 野崎一徳, 伊井仁志, 和田成生

    日本機械学会年次大会講演論文集(CD-ROM) Vol. 2016 2016/09/10 Research paper, summary (national, other academic conference)

  34. 歯茎摩擦音/s/の空力音響シミュレーションと実験による検証 (大規模計算機システム利用者研究報告)

    吉永 司, 野崎 一徳, 和田 成生

    Cybermedia HPC journal No. 6 p. 33-36 2016/08

    Publisher: 大阪大学サイバーメディアセンター
  35. 舌形状に基づく発音時の舌筋線維収縮力の逆問題推定

    小池成彦, 吉永司, 野崎一徳, 伊井仁志, 和田成生

    日本機械学会バイオフロンティア講演会講演論文集 Vol. 26th No. 26 p. 115‐116-116 2015/10/01 Research paper, summary (national, other academic conference)

    Publisher: The Japan Society of Mechanical Engineers
  36. J1050105 Aeroacoustic analysis of sibilant /s/ simplified vocal tract model

    YOSHINAGA Tsukasa, KOIKE Narihiko, NOZAKI Kazunori, WADA Shigeo

    Mechanical Engineering Congress, Japan Vol. 2015 p. "J1050105-1"-"J1050105-5" 2015/09/13

    Publisher: The Japan Society of Mechanical Engineers
  37. J0910105 Effects of cross-sectional shape in coronal plane on the sound generation of sibilant /s/

    YOSHINAGA Tsukasa, NOZAKI Kazunori, WADA Shigeo

    Mechanical Engineering Congress, Japan Vol. 2014 p. "J0910105-1"-"J0910105-4" 2014/09/07

    Publisher: The Japan Society of Mechanical Engineers
  38. B226 Effect of tongue's front part elevation on sound source of sibilant/s/.

    YOSHINAGA Tsukasa, NOZAKI Kazunori, WADA Shigeo

    Proceedings of the ... JSME Conference on Frontiers in Bioengineering Vol. 2013 No. 24 p. 155-156 2013/10/31

    Publisher: The Japan Society of Mechanical Engineers

Publications 1

  1. しゃべるヒト ことばの不思議を科学する

    野原幹司, 田中信和, 杉山千尋, 吉永 司, 高島遼一, 滝口哲也, 野崎一徳

    文理閣 2023/04/20

    ISBN: 4892599247

Presentations 86

  1. Are sound sources of voiceless glottal fricative [h] generated at the glottis?

    Tsukasa YOSHINAGA, Kikuo MAEKAWA

    2025/03/22

  2. EFFECTS OF FALSE AND ARYEPIGLOTTIC FOLD CONSTRICTIONS ON VOICE PRODUCTION IN A SIMPLIFIED VOCAL TRACT

    Tsukasa Yoshinaga, Zhaoyan Zhang

    13th International Conference on Voice Physiology and Biomechanics (ICVPB2024) 2024/07/26

  3. 発音における口腔内の空力音の制御

    吉永司, 飯田明由

    日本騒音制御工学会2024年春季研究発表会 2024/04/18

  4. 声帯の3次元振動モードを考慮した過渡応答解析

    吉永司, Zhaoyan Zhang

    2024年3月音声コミュニケーション研究会 2024/03/20

  5. Exploring player’s feelings on clarinet mouthpiece geometry using artificial blowing machines and airflow simulations

    Yoshinaga, T, Yokoyama, H, Shoji, T, Miki, A, Iida, A

    185th Meeting of Acoustical Society of America, joint with AAS, WESPAC, PRUAC 2023/12/08

  6. Effects of horizontal-to-vertical stiffness ratio on the vibration characteristics of a two-mass vocal fold model

    Kurosawa, D, Yoshinaga, T, Iida, A

    185th Meeting of Acoustical Society of America, joint with AAS, WESPAC, PRUAC 2023/12/06

  7. Numerical simulation of aeroacoustic sound generation during tongue articulation and velopharyngeal closing

    Yoshinaga, T, Lu, H, Li, C, Nozaki, K, Iida, A, Tsubokura, M

    American Physical Society, Division of Fluid Dynamics (APS-DFD2023) 2023/11/20

  8. 非対称声帯振動における1次元気流モデルを用いた音声推定精度の検証

    吉永司

    日本音声言語医学会学術講演会 2023/10/05

  9. 声帯2質量モデルにおける直交2方向の剛性比が振動特性に及ぼす影響

    黒澤 大樹, 吉永 司, 飯田 明由

    日本音響学会2023年秋季音響学会 2023/09/28

  10. リード式人工声帯と口腔モデルを用いた調音様式が飛沫生成に及ぼす影響の調査

    南 智哉, 吉永 司, 荒井 隆行, 飯田 明由

    日本音響学会2023年秋季音響学会 2023/09/27

  11. 単純声道モデルにおける仮声帯および披裂喉頭蓋の狭窄が 発声に及ぼす影響

    吉永司, Zhaoyan Zhang

    日本音響学会2023年秋季音響学会 2023/09/27

  12. Effects of Jet Offset in Flute Blowing on Jet Fluctuations and Sound

    Onogi, K, Yokoyaman H, Iida, A, Yoshinaga, T

    Forum Acusticum 2023 2023/09/14

  13. Roles of the glottal constriction on production of [h] in high frequency energy

    Yoshinaga, T, Maekawa, K, Iida, A

    Forum Acusticum 2023 2023/09/12

  14. Effects of bore diameters on the oscillation threshold pressure and tone quality of clarinet mouthpieces

    Yoshinaga, T, Soejima, A, Shoji, T, Miki, A, Yokoyama, H, Iida, A

    Forum Acusticum 2023 2023/09/12

  15. A Relationship Between Vocal Fold Vibration and Droplet Production

    Tsukasa Yoshinaga, Takayuki Arai, Akiyoshi Iida

    Inter-speech 2023 2023/08/23

  16. Optimization of microphone array arrangements for wavenumber-frequency spectral measurements

    Katsuya Ogawa, Tsukasa Yoshinaga, Akiyoshi Iida

    Inter-noise 2023 2023/08/22

  17. On the sound source locations of ‘glottal fricative’ [h]

    Tsukasa Yoshinaga, Kikuo Maekawa, Akiyoshi Iida

    20th International Conference of Phonetic Science (ICPhS) 2023/08/07

  18. Auditory evaluation of fluctuating aerodynamic noise generated by an active turbulence generator

    T. Yoshinaga, H. Takimoto, A. Iida

    International Workshop on Environmental Engineering 2023 2023/07/27

  19. Numerical Simulation of Fluid-Structure-Acoustic Interactions in Vocal Folds with Horizontal and Vertical Motions

    Tsukasa YOSHINAGA, Zhaoyan ZHANG, Akiyoshi IIDA

    ASME-JSME-KSME Joint Fluids Engineering Conference 2023 2023/07/12

  20. Evaluation of the One-Dimensional Glottal Flow Model in Predicting Voice Outcomes of Left-Right Asymmetric Vocal Fold Vibrations

    Tsukasa Yoshinaga, Zhaoyan Zhang, Akiyoshi Iida

    15th International Conference on Advances in Quantitative Laryngology, Voice and Speech Research (AQL2023) 2023/03/31

  21. 発音の空力音シミュレーションと指向性の可視化

    吉永司, 飯田明由

    日本音響学会2023年春季音響学会 2023/03/17

  22. フルート吹鳴時のジェット進行方向が流れと音に及ぼす影響

    小野木 君枝, 横山 博史, 飯田 明由, 吉永 司

    第36回数値流体力学シンポジウム 2022/12/16

  23. 軟口蓋閉鎖が歯茎摩擦音[s]の発音に与える影響

    呂 學叡, 吉永 司, 李 崇綱, 野﨑 一徳, 飯田 明由, 坪倉 誠

    第36回数値流体力学シンポジウム 2022/12/16

  24. 線形オイラー法を用いた遠心ファン空力音解析手法の構築

    大江健司, 飯田明由, 吉永 司

    第36回数値流体力学シンポジウム 2022/12/16

  25. 波数・周波数スペクトル測定用マイクアレイのマイク配置の最適化

    小川勝矢, 吉永 司, 飯田 明由

    日本機械学会第100期流体工学部門講演会 2022/11/13

  26. コヒーレントアウトプットパワーを用いた二輪車ヘルメット内部騒音の音源探査

    戸倉 大和, 飯田 明由, 吉永 司, 大田 浩嗣

    日本機械学会第100期流体工学部門講演会 2022/11/13

  27. 無声両唇破裂音/p/の発音を再現する口腔モデルの構築

    田平拡大, 飯田 明由, 吉永 司

    日本機械学会第100期流体工学部門講演会 2022/11/12

  28. Numerical investigation of effects of mouthpiece geometry on flow and sound generation in a single-reed instrument

    Yoshinaga T, Yokoyama H, Shoji T, Miki A, Iida A

    24th International Congress of Acoustics (ICA2022) 2022/10/27

  29. Variability in Production of Non-Sibilant Fricative [ç] in /hi/

    Tsukasa Yoshinaga, Kikuo Maekawa, Akiyoshi Iida

    Interspeech 2022 2022/09/19

  30. 人工声帯と声道模型を用いた会話時のエアロゾル生成量の定量評価

    山谷 悠介, 飯田 明由, 吉永 司

    日本音響学会2022年秋季研究発表会 2022/09/15

  31. リード式人工声帯が発生する喉頭粘液の液膜と飛沫の可視化

    荒井隆行, 吉永司, 飯田明由

    日本音響学会2022年秋季研究発表会 2022/09/15

  32. 古代人の顎骨形状に基づく摩擦音[s]発音の口腔形状の推定

    吉永司, 野崎一徳, 近藤修, 飯田明由

    日本音響学会2022年秋季研究発表会 2022/09/14

  33. 舌先端と上顎切歯の形状が歯茎摩擦音[s]の発音に及ぼす影響

    吉永司, 多田耕平, 野崎一徳, 飯田明由

    日本顎口腔機能学会第67回学術大会 2022/05/28

  34. Comparison of one-dimensional and three-dimensional glottal flow models in left-right asymmetric vocal fold conditions

    Yoshinaga, T, Zhang, Z, Iida, A

    182th meeting of Acoustical Society of America 2022/05/24

  35. The Analysis of Jet Flow and Sound Generation of the Reed-Type Artificial Vocal Fold

    Yoshinaga T, Arai, T, Yokoyama H, Iida A

    The 7th International Conference of Jets, Wakes, and Separated Flows (ICJWSF2022) 2022/03/15

  36. 声帯 2 質点モデルに対する3 次元圧縮性数値流体シミュレーション

    吉永司, Z. Zhang, 飯田明由

    日本音響学会2022年春季研究発表会 2022/03/11

  37. リード式人工声帯の流体―構造―音響連成解析

    吉永司, 荒井隆行, 横山博史, 飯田明由

    第41回流力騒音シンポジウム 2021/12/17

  38. 狭窄を有する声道内の気流と音がリード式人工声帯の振動様式に与える影響

    吉永司, 荒井隆行, 横山博史, 飯田明由

    第35回数値流体力学シンポジウム 2021/12/14

  39. 動的乱流発生装置により生成した変動空力騒音の変調スペクトル解析

    瀧本裕仁, 吉永 司, 飯田 明由

    日本機械学会第99期流体工学部門講演会 2021/11/09

  40. 声道内の狭窄と気流がリード式人工声帯の母音生成に及ぼす影響

    吉永 司, 荒井 隆行, 横山 博史, 飯田 明由

    日本音響学会2021年秋季研究発表会 2021/09/08

  41. 会話がCOVID-19の感染リスクに及ぼす影響

    飯田 明由, 吉永 司

    日本音響学会2021年秋季研究発表会 2021/09/07

  42. 電磁制御されたリード式人工喉頭を用いた短時間母音生成

    小泉 正樹, 吉永 司, 荒井 隆行, 飯田 明由

    日本音響学会2021年秋季研究発表会 2021/09/07

  43. A Simplified Model for the Vocal Tract of [s] with Inclined Incisors

    Tsukasa Yoshinaga, Kohei Tada, Kazunori Nozaki, Akiyoshi Iida

    Interspeech 2021 2021/09/01

  44. 摩擦音発音の空力音シミュレーション

    吉永司

    第116回NINJALコロキウム 2021/06/29

  45. 上顎切歯の角度を考慮した歯茎摩擦音[s]発音の口腔モデル

    吉永司, 多田耕平, 野崎一徳, 飯田明由

    日本顎口腔機能学会第65回学術大会 2021/06/27

  46. Numerical investigation of effects of lip stiffness on reed oscillation in a single-reed instrument.

    Yoshinaga, T, Yokoyama, H, Shoji, T, Miki, A, Iida, A

    180th meeting of Acoustical Society of America 2021/06/09

  47. Aeroacoustic simulation on sibilant fricative production using a volume penalization method

    Yoshinaga T, Nozaki K, Yokoyama, H, Iida A

    14th World Congress in Computational Mechanics (WCCM) and ECCOMAS Congress 2020 2021/01/12

  48. In-situ可視化向け適応的視点選択

    山岡 義明, 坂本 尚久, 野中 丈士, 吉永 司, 野崎 一徳

    第34回数値流体力学シンポジウム 2020/12/21

  49. 人工声帯の流体―構造−音響連成シミュレーション

    吉永司, Rafia Inaam, 荒井隆行, 横山博史, 飯田明由

    第 34 回数値流体力学シンポジウム 2020/12/21

  50. Relationships between turbulent flow configuration and sound source location of Japanese sibilant fricatives

    Yoshinaga T, Nozaki K, Iida A

    12th International Seminar on Speech Production 2020/12/16

  51. Aeroacoustic simulation on a simplified vocal tract model with tongue movement for the articulation of [s]

    Yoshinaga T, Nozaki K, Yokoyama, H, Iida A

    12th International Conference on Voice Physiology and Biomechanics 2020/12/04

  52. リード式人工声帯の空力音響シミュレーション

    吉永司, Rafia Inaam, 荒井隆行, 横山博史, 飯田明由

    日本音響学会2020年秋季研究発表会 2020/09/10

  53. Effects of vocal tract geometrical differences on flow and sound of sibilant fricatives

    T. Yoshinaga, K. Nozaki, S. Wada, A. Iida

    178th meeting of Acoustical Society of America 2019/12/05

  54. 口腔単純モデルの舌運動を考慮した歯茎摩擦音/s/の空力音響シミュレーション

    吉永司, 野崎一徳, 横山博史, 飯田明由

    第33回数値流体力学シンポジウム 2019/11/29

  55. チンパンジーの摩擦音構音の可能性:流体力学的観点からの考察

    吉永司, 野崎一徳, 近藤修

    日本機会学会流体力学部門講演会 2019/11/07

  56. Individual Differences of Airflow and Sound Generation in the Vocal Tract of Sibilant /s/

    Yoshinaga, T, Nozaki, K, Wada, S

    INTERSPEECH2019 2019/09/15

  57. 歯茎摩擦音に対する高次モードを考慮した音響解析と数値流体解析の関係性

    Yoshinaga, T, Van Hirtum, A, Nozaki, K, Wada, S

    Fall Meeting of Acoustical Society of Japan 2019 2019/09

  58. 摩擦音/s/及び/sh/発音の被験者の違いを表す口腔単純形状モデルの構築

    吉永司, 野崎一徳, 和田成生

    第63回システム制御情報学会研究発表講演会 2019/05/23

  59. 歯茎摩擦音/s/発音時の舌運動と空力音源発生の関係

    吉永司, 野崎一徳, 和田成生

    第38回流力騒音シンポジウム 2018/12

  60. 歯茎摩擦音発音の空力音響シミュレーション:被験者の違いに関する解析

    Yoshinaga, T, Nozaki, K, Wada, S

    第32回数値流体力学シンポジウム講演論文集 2018/12

  61. A mechanical deformation model of the tongue during speech production considering personalized anatomical structure

    S. Takenaka, T. Yoshinaga, K. Nozaki, S. Wada

    2018/11

  62. Effects of tongue elevation speed and glottal flow control on the production of sibilant /s/

    Yoshinaga, T, Nozaki, K, Wada, S

    176th meeting of Acoustical Society of America 2018/11

  63. 舌先端の挙上速度と声道流量の制御が歯茎摩擦音/s/の発音に与える影響

    吉永司, 野崎一徳, 和田成生

    日本流体力学会年会2018 2018/09

  64. 歯茎摩擦音/s/と/sh/の発生メカニズムの違いに関する研究

    吉永司, 野崎一徳, 和田成生

    日本機械学会2018年度年次大会 2018/09

  65. 歯茎摩擦音の流体音響メカニズム:「ス」と「シ」の違いを科学する

    和田成生, 吉永司, 伊井仁志, 野崎一徳

    関西大学先端科学技術シンポジウム講演集 2018/01/18

  66. 肺実形状に基づいた肺葉内気道分岐モデルを用いた肺音分布の音響解析

    竹田圭佑, 吉永司, 越山顕一朗, 伊井仁志, 和田成生

    バイオエンジニアリング講演会講演論文集(CD-ROM) 2017/12/13

  67. 摩擦音発音の口腔実形状モデル及び単純形状モデルに発生する流れ場と音場の関係性

    吉永司, 野崎一徳, 和田成生

    日本機械学会第30回バイオエンジニアリング講演会 2017/12

  68. 空力音響シミュレーションと大規模可視化システムを用いた摩擦音発音の可視化

    吉永司, 野崎一徳, 安福健祐, 木戸善之, 下條真司, 和田成生

    NICOGRAPH2017 2017/11

  69. 肺実形状に基づいた気道分岐モデルを用いた気道内の音響解析

    竹田圭佑, 吉永司, 越山顕一朗, 伊井仁志, 和田成生

    日本機械学会バイオフロンティア講演会講演論文集 2017/10/27

  70. A relationship between simplified and realistic vocal tract geometries for Japanese sibilant fricatives

    Yoshinaga, T, Nozaki, K, Wada, S

    11th International Seminar on Speech Production 2017/10

  71. Computational and experimental study of sibilant fricatives produced by airflow in the oral cavity

    S. Wada, T. Yoshinaga, K. Nozaki

    5th Japan-Switzerland Workshop on Biomechanics 2017/09

  72. Effects of tongue position on flow and sound in a simplified vocal tract model of sibilant fricatives

    Yoshinaga, T, Nozaki, K, Wada, S

    5th Japan-Switzerland Workshop on Biomechanics 2017/09

  73. Generation of frication noise for human speech sound production

    A. Van Hirtum, T. Yoshinaga, K. Nozaki, S. Wada

    4th Symposium on Fluid-Structure-Interactions and Control 2017/07

  74. 医用画像に基づく舌筋線維応力の逆解析

    小池成彦, 吉永司, 野崎一徳, 伊井仁志, 和田成生

    バイオエンジニアリング講演会講演論文集(CD-ROM) 2017/01/18

  75. 口腔単純形状モデルを用いた摩擦音/s/と/sh/の空力音響解析

    吉永司, 野崎一徳, 和田成生

    日本機械学会第29回バイオエンジニアリング講演会講演論文集 2017/01

  76. Effect of tongue position in the simplified vocal tract model of sibilant fricatives /s/ and /ʃ/

    Yoshinaga, T, Nozaki, K, Wada, S

    5th joint meeting of the ASA and ASJ 2016/12

  77. 舌先端と下前歯の間のキャビティが歯茎摩擦音/s/に与える影響

    小池成彦, 吉永司, 野崎一徳, 伊井仁志, 和田成生

    日本機械学会年次大会講演論文集(CD-ROM) 2016/09/10

  78. Image-based analysis for inverse estimation of muscle fiber forces in the tongue

    N. Koike, T. Yoshinaga, K. Nozaki, S. Wada

    Summer Biomechanics Bioengineering and Biotransport Conference 2016/08

  79. Experimental validation of sound generated from flow in simplified vocal tract model of sibilant /s/

    Yoshinaga, T, Nozaki, K, Wada, S

    INTERSPEECH2016 2016/08

  80. 舌形状に基づく発音時の舌筋線維収縮力の逆問題推定

    小池成彦, 吉永司, 野崎一徳, 伊井仁志, 和田成生

    日本機械学会バイオフロンティア講演会講演論文集 2015/10/01

  81. Study on production mechanisms of sibilant /s/ using simplified vocal tract model

    Yoshinaga, T, Koike, N, Nozaki, K, Wada, S

    INTER-NOISE 2015 2015/08

  82. 舌前方部の挙上による歯茎摩擦音/s/の空力音発生への影響

    吉永司, 野崎一徳, 和田成生

    日本機械学会第24回バイオフロンティア講演会 2014/10

  83. Effects of tongue elevation on the airflow in oral cavity and the sound generation of sibilant /s/

    Yoshinaga, T, Nozaki, K, Wada, S

    7th World Congress of Biomechanics 2014/07

  84. Effects of the position of tongue on the sound generation of sibilant /s/

    Yoshinaga, T, Nozaki, K, Wada, S

    15th International Conference on Biomedical Engineering 2013/12

  85. 舌前方部の挙上による歯茎摩擦音/s/の空力音発生への影響

    吉永司, 野崎一徳, 和田成生

    日本機械学会第24回バイオフロンティア講演会 2013/10

  86. 舌前方部挙上実体モデルによる歯茎摩擦音/s/発生メカニズムの検討

    吉永司, 野崎一徳, 伊井仁志, 越山顕一朗, 宮崎浩, 和田成生

    日本機械学会関西学生会平成24年度学生員卒業研究発表講演会 2013/03

Social Activities 2

  • リアルタイムMRIとスパコンを用いた摩擦音発音の解析

    豊橋技術科学大学 イノベーションフェア2021 in 東三河

    - 2021/10/19

  • 第2回 音声の工学シミュレーション編

    SpringX 超学校 みんぱく×ナレッジキャピタル コトバとつきあう

    2022/09/02 -

Media Coverage 5

  1. 江戸っ子が「ヒ」と「シ」の発音を区別できない原因が判明

    FNNプライムオンライン

    2021/04

  2. なぜ「7月」を「ヒチガツ」と発音してしまうのか? スパコンなどで解明

    テレビ東京

    2021/04

  3. 「ヒ」と「シ」が混同して発音される現象の仕組みを豊橋科技大が解明

    マイナビニュース

    2021/04

  4. 発音と流体力学

    エフエム豊橋

    2019/11

  5. A simplified vocal tract model explores the production of sibilant fricatives

    AIP Publishing

    2018/03

Institutional Repository 2

Content Published in the University of Osaka Institutional Repository (OUKA)
  1. A kinematically reasonable mechanism of tongue forward protrusion considering hyoid bone movements

    Inoue Kyoichi, Otani Tomohiro, Nozaki Kazunori, Yoshinaga Tsukasa, Wada Shigeo

    Journal of Biomechanics Vol. 178 2025/01/01

  2. Effects of two-dimensional reed oscillation on airflow and sound generation in a single-reed instrument

    Yoshinaga Tsukasa, Baba Reo, Yokoyama Hiroshi, Shoji Tetsuro, Miki Akira, Iida Akiyoshi

    Computers and Fluids Vol. 285 2024/12/15