Rchr
J-GLOBAL ID:201401089407635107   Update date: Oct. 21, 2020

Koyama Shoichi

コヤマ シヨウイチ | Koyama Shoichi
Affiliation and department:
Job title: Assistant Professor (Lecturer)
Homepage URL  (2): https://www.sh01.org/https://www.sh01.org/
Research field  (1): Perceptual information processing
Research keywords  (1): Acoustic Signal Processing
Research theme for competitive and other funds  (9):
  • 2019 - 2023 スモールデータ機械学習理論に基づく音響拡張現実感及び音コミュニケーション能力拡張
  • 2018 - 2022 Spatial Sound Field Recording and Reproduction With Distributed Arrays
  • 2018 - 2020 Study of Signal Processing for Sound Field Measurement and Synthesis
  • 2016 - 2020 非同期分散チャンネルへ展開するアレイ信号処理理論の深化と実世界応用
  • 2015 - 2019 A study on super-resolution sound field recording and reproduction for high-fidelity audio systems
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Papers (73):
  • Kentaro Ariga, Tomoya Nishida, Shoichi Koyama, Natsuki Ueno, Hiroshi Saruwatari. Mutual-Information-Based Sensor Placement for Spatial Sound Field Recording. ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. 2020. 2020-May. 166-170
  • Hayato Ito, Shoichi Koyama, Natsuki Ueno, Hiroshi Saruwatari. Spatial Active Noise Control Based on Kernel Interpolation with Directional Weighting. ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. 2020. 2020-May. 8404-8408
  • Yuhta Takida, Shoichi Koyama, Natsuki Ueno, Hiroshi Saruwatari. Reciprocity gap functional in spherical harmonic domain for gridless sound field decomposition. Signal Processing. 2020. 169. 107383. 9 pages
  • Shoichi Koyama, Gilles Chardon, Laurent Daudet. Optimizing Source and Sensor Placement for Sound Field Control: An Overview. IEEE/ACM Transactions on Audio Speech and Language Processing. 2020. 28. 696-714
  • Shoichi Koyama. Sparsity-based sound field reconstruction. Acoustical Science and Technology. 2020. 41. 1. 269-275
more...
MISC (38):
  • Restoration of clipped signal using oversampling based on differentiable and convex loss function. 2020. 119. 440. 147-152
  • Sensor placement allowing independent setting of estimation and candidate regions for field estimation based on Gaussian process. 2020. 119. 440. 141-146
  • Region-to-region acoustic transfer function estimation with distributed sources and receivers based on kernel interpolation. 2020. 119. 375. 83-88
  • Performance improvement of gridless sound field decomposition using signal separation based on convex optimization. 2018. 117. 399. 19-24
  • Listening-area-informed sound field reproduction : A case study on arbitrary configuration and directivity of loudspeakers. 2017. 116. 420. 7-12
more...
Patents (41):
Books (2):
  • 音響学入門ペディア
    コロナ社 2017 ISBN:4339008958
  • 感覚デバイス開発-機器が担うヒト感覚の生成・拡張・代替技術
    エヌティーエス 2014 ISBN:4864690642
Education (3):
  • 2014 - 2014 The University of Tokyo Ph.D. (Information Science and Technology)
  • 2007 - 2009 The University of Tokyo Master's course
  • 2003 - 2007 The University of Tokyo Department of Mathematical Engineering and Information Physics
Professional career (1):
  • Ph.D. (Information Science and Technology) (The University of Tokyo)
Work history (7):
  • 2020/04 - 現在 Tohoku University Research Institute of Electrical Communication Visiting Associate Professor
  • 2018/12 - 現在 The University of Tokyo FY2018 Excellent Young Researcher
  • 2018/10 - 現在 JST PRESTO Researcher
  • 2018/04 - 現在 The University of Tokyo Graduate School of Information Science and Technology Assistant Professor (Lecturer)
  • 2016/04 - 2018/03 Université Paris Diderot (Paris 7) / Institut Langevin Visiting researcher
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Committee career (8):
  • 2019/06 - 現在 電子情報通信学会 応用音響研究専門委員会/音響学会 電気音響研究専門委員会 幹事
  • 2019/06 - 現在 電子情報通信学会 英文・和文論文誌編集委員
  • 2016/06 - 現在 日本音響学会 電気音響研究委員会/電子情報通信学会 応用音響研究専門委員会 専門委員
  • 2015/06 - 現在 電子情報通信学会 信号処理研究専門委員会 専門委員
  • 2014/12 - 現在 超臨場感コミュニケーション産学官フォーラム 音響WG幹事団メンバ
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Awards (6):
  • 2018 - Funai Foundation for Information Technology (FFIT) The Research Award
  • 2015 - Telecommunication Advancement Foundation The Telecom System Technology Award
  • 2015 - Acoustical Society of Japan The Itakura Prize Innovative Young Researcher Award
  • 2011 - Acoustical Society of Japan The Awaya Prize Young Researcher Award
  • 2010 - IEEJ Sensors and Micromachines Society The Best Young Researcher Paper Award
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Association Membership(s) (5):
ACOUSTICAL SOCIETY OF JAPAN ,  THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS ,  Audio Engineering Society ,  IEEE ,  Acoustical Society of America
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