発表リスト

論文

  1. Kouei Yamaoka, Taishi Nakashima, Yukoh Wakabayashi, and Nobutaka Ono, "Minimum-Spanning-Tree-Based Time Delay Estimation Robust to Outliers," IEEE Access, vol.11, pp. 121284–121294, Nov. 2023. [Open Access]
  2. Kouei Yamaoka, Nobutaka Ono, and Shoji Makino, "Time-Frequency-Bin-Wise Linear Combination of Beamformers for Distortionless Signal Enhancement," IEEE/ACM Trans. Audio, Speech and Language Processing, vol.29, pp. 3461–3475, Nov. 2021. [Open Access] (電気通信普及財団 テレコムシステム技術学生賞)

Preprint

  1. Kouei Yamaoka, Yukoh Wakabayashi, and Nobutaka Ono, "Estimation of Consistent Time Delays in Subsample via Auxiliary-Function-Based Iterative Updates," 13 pages, arXiv:2203.09723, 2022. [arXiv]

国際会議

  1. Kouei Yamaoka, Nobutaka Ono, and Yukoh Wakabayashi, "Sampling Frequency Mismatch Estimation by Auxiliary-Function-Based Iterative Maximization of Double-Cross-Correlation," in Proc. EUSIPCO, pp. 1125–1129, Aug. 2021.
  2. Kouei Yamaoka, Robin Scheibler, Nobutaka Ono, and Yukoh Wakabayashi, "Sub-Sample Time Delay Estimation via Auxiliary-Function-Based Iterative Updates," in Proc. WASPAA, pp. 125–129, Oct. 2019.
  3. Kouei Yamaoka, Li Li, Nobutaka Ono, Shoji Makino, and Takeshi Yamada, "CNN-based virtual microphone signal estimation for MPDR beamforming in underdetermined situations," in Proc. EUSIPCO, Sept. 2019.
  4. Kouei Yamaoka, Nobutaka Ono, Shoji Makino, and Takeshi Yamada, "Time-frequency-bin-wise switching of minimum variance distortionless response beamformer for underdetermined situations," in Proc. ICASSP, pp. 7908–7912, May 2019. (IEEE SPS Japan Student Conference Paper Award)
  5. Kouei Yamaoka, Nobutaka Ono, Shoji Makino, and Takeshi Yamada, "Performance Evaluation of Time-Frequency-Bin-Wise Switching Beamformer in Reverberant Environments," in Proc. NCSP, pp. 264–267, Mar. 2019.
  6. Kouei Yamaoka, Andreas Brendel, Nobutaka Ono, Shoji Makino, Michael Buerger, Takeshi Yamada and Walter Kellermann, "Time-Frequency-Bin-Wise Beamformer Selection and Masking for Speech Enhancement in Underdetermined Noisy Scenarios," in Proc. EUSIPCO, pp. 1596–1600, Sep. 2018.
  7. Kouei Yamaoka, Nobutaka Ono, Shoji Makino and Takeshi Yamada, "Abnormal sound detection by two microphones using virtual microphone technique," in Proc. APSIPA, Dec. 2017.
  8. Kouei Yamaoka, Shoji Makino, Nobutaka Ono and Takeshi Yamada, "Performance Evaluation of Nonlinear Speech Enhancement Based on Virtual Increase of Channels in Reverberant Environments," in Proc. EUSIPCO, pp. 2324–2328, Aug. 2017.

国内発表

  1. 山岡 洸瑛, 植野 夏樹, 小野 順貴, "多チャネル時間差推定における性能限界の導出," 日本音響学会春季研究発表会講演論文集, pp. 201–204, 3月, 2023.
  2. 山岡 洸瑛, 中嶋 大志, 小野 順貴, "最小全域木を用いた複数時間差の同時推定," 日本音響学会秋季研究発表会講演論文集, pp. 259–262, 9月, 2022.
  3. 山岡 洸瑛, 中嶋 大志, 若林 佑幸, 小野 順貴, "補助関数法を用いた複数時間差のオンライン推定," 日本音響学会春季研究発表会講演論文集, pp. 285–286, 3月, 2022.
  4. 山岡 洸瑛, 小野 順貴, "時間周波数線形結合ビームフォーマの空間フィルタ数に対する音源強調性能の評価," 日本音響学会秋季研究発表会講演論文集, pp. 207–208, 8月, 2021.
  5. 山岡 洸瑛, 小野 順貴, "補助関数法に基づく複数のチャネル間時間差の同時推定," 日本音響学会春季研究発表会講演論文集, pp. 371–374, 3月, 2021.
  6. 山岡 洸瑛, 小野 順貴, "連続値マスクを用いた複数MVDRビームフォーマの組み合わせによる劣決定音声強調," 日本音響学会秋季研究発表会講演論文集, pp. 123–126, 9月, 2020.
  7. 山岡 洸瑛, シャイブラー ロビン, 小野 順貴, 若林 佑幸, "補助関数法を用いた相互相関の最大化によるサンプリング周波数ミスマッチ推定," 日本音響学会春季研究発表会講演論文集, 3月, 2020.
  8. 山岡 洸瑛, シャイブラー ロビン, 小野 順貴, 若林 佑幸, "補助関数法に基づくサブサンプル時間差推定," 信号処理シンポジウム, pp. 62–67, 11月, 2019. [PDF link] (IEEE SPS Tokyo Joint Chapter Student Award)
  9. 山岡 洸瑛, 小野 順貴, 牧野 昭二, 山田 武志, "MVDRビームフォーマの時間周波数スイッチングによる劣決定音声強調," 信学技報, vol. 118, no. 497, SP2018-86, pp. 149–154, 3月, 2019. (音声研究会学生ポスター賞)
  10. 山岡 洸瑛, 小野 順貴, 牧野 昭二, 山田 武志, "時間周波数スイッチングビームフォーマと時間周波数マスキングによる劣決定音声強調," 日本音響学会秋季研究発表会講演論文集, pp. 407–410, 9月, 2018.
  11. 山岡 洸瑛，小野 順貴，牧野 昭二，山田 武志, "複数ビームフォーマの組み合わせによる非線形マイクロフォンアレイ," 日本音響学会春季研究発表会講演論文集, pp. 475–478, 3月, 2018. (学生優秀発表賞)
  12. 山岡 洸瑛, 小野 順貴, 山田 武志，牧野 昭二, "ヴァーチャル多素子化に基づく SN 比最大化ビームフォーマの残響に対する性能変化," 日本音響学会秋季研究発表会講演論文集, pp. 379–382, 9月, 2016.

共著リスト

論文

  1. Yoshiki Masuyama, Kouei Yamaoka, Yuma Kinoshita, Taishi Nakashima, and Nobutaka Ono, "Causal and Relaxed-Distortionless Response Beamforming for Online Target Source Extraction, "IEEE/ACM Transactions on Audio, Speech, and Language Processing (Accepted)
  2. Takao Kawamura, Kouei Yamaoka, Yukoh Wakabayashi, Nobutaka Ono, and Ryoichi Miyazaki, "Acoustic Object Canceller: Removing Known Signal Using Blind Syncronization," EURASIP Journal on Audio, Speech, and Music Processing, no. 35, pp. 1–16, Sept. 2023
  3. Ryoga Jinzai, Kouei Yamaoka, Shoji Makino, Nobutaka Ono, Mitsuo Matsumoto, and Takeshi Yamada, "Wavelength-Proportional Interpolation and Extrapolation of Virtual Microphone for Underdetermined Speech Enhancement," APSIPA Transactions on Signal and Information Processing, vol. 12, no. 3, Jul. 2023.
  4. Ryoga Jinzai, Kouei Yamaoka, Shoji Makino, Nobutaka Ono, Takeshi Yamada, and Mitsuo Matsumoto, "Virtual microphone technique for binauralization for multiple sound images on 2--channel stereo signals detected by microphones mounted closely," APSIPA Transactions on Signal and Information Processing, vol. 12, no. 1, Jul. 2023.
  5. Yukoh Wakabayashi, Kouei Yamaoka, and Nobutaka Ono, "Sound Field Interpolation for Rotation-invariant Multichannel Array Signal Processing," IEEE/ACM Transactions on Audio, Speech, and Language Processing, vol. 31, pp. 2286–2298, Jun. 2023.
  6. Yoshiaki Bando, Hiroshi Saruwatari, Nobutaka Ono, Shoji Makino, Katustoshi Itoyama, Daichi Kitamura, Masaru Ishimura, Moe Takakusaki, Narumi Mae, Kouei Yamaoka, Yutaro Matsui, Yuichi Ambe, Masashi Konyo, Satoshi Tadokoro, Kazuyoshi Yoshii, and Hiroshi G. Okuno, "Low-Latency and High-Quality Two-Stage Human-Voice-Enhancement System for a Hose-Shaped Rescue Robot," Journal of Robotics and Mechatronics, vol. 29, no. 1, pp. 198–212, Feb. 2017.

国際会議

  1. Minato Uesaka, Hideto Kawauchi, Kouei Yamaoka, Yukoh Wakabayashi, Yuma Kinoshita, Nobutaka Ono, Jun Noguchi, Satoshi Watanabe, Noritaka Ichinohe, Seico Benner, Hidenori Yamasue, "Automatic Call Classification of Autism Model Marmosets by Deep Learning and Analysis of Their Vocal Development, " in Proc. APSIPA, pp. 2214–2218, Nov. 2023.
  2. Kenta Yamada, Yoshiki Masuyama, Kouei Yamaoka, Nobutaka Ono, "Fundamental Frequency Estimation Based on Finite-Order Harmonic Constraint Differential Equation," in Proc. APSIPA, pp. 849–853, Nov. 2023.
  3. Yui Kuriki, Taishi Nakashima, Kouei Yamaoka, Natsuki Ueno, Yukoh Wakabayashi, Nobutaka Ono, Ryo Sato, "Efficient Low-latency Convolution with Uniform Filter Partition and Its Evaluation on Real-time Blind Source Separation," in Proc. APSIPA, pp. 766–770, Nov. 2022.
  4. Haruki Nammoku, Kouei Yamaoka, Taishi Nakashima, Yukoh Wakabayashi, Nobutaka Ono, "Analysis and Source Separation of Overlapping Speech Using Corpus of Everyday Japanese Conversation," in Proc. ICA, Oct. 2022.
  5. Yoshiki Masuyama, Kouei Yamaoka, Nobutaka Ono, "Joint Optimization of Sampling Rate Offsets Based on Entire Signal Relationship Among Distributed Microphones," in Proc. INTERSPEECH, pp. 704–708, Sept. 2022.
  6. Koudai Mogi, Taishi Nakashima, Kouei Yamaoka, Yukoh Wakabayashi, and Nobutaka Ono, "Source Selection Using Multiple Directions of Arrival Estimation Based on Blind Source Separation," in Proc. NCSP, pp. 253–256, Mar. 2022 (Student Paper Award)
  7. Yoshiki Masuyama, Kouei Yamaoka, Yuma Kinoshita, and Nobutaka Ono, "Causal Distortionless Response Beamforming by Alternating Direction Method of Multipliers," in Proc. APSIPA, pp. 585–590, Dec. 2021.
  8. Yukoh Wakabayashi, Kouei Yamaoka, and Nobutaka Ono, "Rotation-robust beamforming based on sound field interpolation with regularly circular microphone array," in Proc. ICASSP, pp. 771–775, Jun. 2021.
  9. Ryoga Jinzai, Kouei Yamaoka, Mitsuo Matsumoto, Shoji Makino and Takeshi Yamada, "Wavelength Proportional Arrangement of Virtual Microphones Based on Interpolation/Extrapolation for Underdetermined Speech Enhancement," in Proc. EUSIPCO, Sept. 2019.
  10. Ryoga Jinzai, Kouei Yamaoka, Mitsuo Matsumoto, Takeshi Yamada and Shoji Makino, "Microphone Position Realignment by Extrapolation of Virtual Microphone," in Proc. APSIPA, pp. 367–372, Nov. 2018.
  11. Narumi Mae, Kouei Yamaoka, Yoshiki Mitui, Mitsuo Matsumoto, Shoji Makino, Daichi Kitamura, Nobutaka Ono, Takeshi Yamada and Hiroshi Saruwatari, "Ego Noise Reduction and Sound Localization Adapted to Human Ears Using Hose-shaped Rescue Robot," in Proc. NCSP, Mar. 2018.

国内発表

  1. 上坂 奏人，河内 秀人，山岡 洸瑛，若林 佑幸，木下 裕磨，小野 順貴，渡邉 惠，野口 潤，一戸 紀孝，ベナー 聖子，山末 英典, "機械学習によるマーモセットの発声分類とそれに基づく発達に伴う発声変化の分析," 日本音響学会春季研究発表会講演論文集, pp. 1093–1096, 3月, 2023.
  2. 升山 義紀, 山岡 洸瑛, 木下 裕磨, 小野 順貴, "因果的MPDRビームフォーマのオンライン化およびタップ長の影響評価," 日本音響学会秋季研究発表会講演論文集, pp. 155–156, 9月, 2022.
  3. 連 冠三, 山岡 洸瑛, 若林 佑幸, 小野 順貴, "補助関数法に基づく円状マイクロホンアレイの自己回転角度推定," 日本音響学会秋季研究発表会講演論文集, pp. 459–460, 9月, 2022.
  4. 升山 義紀, 山岡 洸瑛, 小野 順貴, "補助関数法による複数の非同期録音信号のブラインド同期," 日本音響学会春季研究発表会講演論文集, pp. 277–280, 2月, 2022.
  5. 栗城 結衣, 中嶋 大志, 山岡 洸瑛, 若林 佑幸, 植野 夏樹, 小野 順貴, "ブロック処理と重畳加算の二重化による畳み込み演算の低遅延化," 日本音響学会春季研究発表会講演論文集, pp. 283–284, 2月, 2022.
  6. 若林 佑幸, 山岡 洸瑛, 小野 順貴, "円状マイクロホンアレイを利用した音場補間によるステアリングベクトル補間への応用," 日本音響学会秋季研究発表会講演論文集, pp. 293–294, 8月, 2021.
  7. 升山 義紀, 山岡 洸瑛, 木下 裕磨, 小野 順貴, "因果的MPDRビームフォーマの近接分離最適化による設計," 日本音響学会秋季研究発表会講演論文集, pp. 139–142, 8月, 2021.
  8. 住吉 亨介, 山岡 洸瑛, 若林 佑幸, 小野 順貴, "微弱周期信号と動的同期加算を用いたサンプリング周波数変動下でのインパルス応答推定," 日本音響学会秋季研究発表会講演論文集, pp. 201–204, 8月, 2021. (学生優秀発表賞)
  9. 南木 春希, 山岡 洸瑛, 若林 佑幸, 小野 順貴, "非同期会話録音に対する時間周波数マスキングと独立ベクトル分析を用いた音源分離の検討," 研究報告音声研究会（SP）, pp. 101–106, 6月, 2021.
  10. 小林 史弥, 山岡 洸瑛, シャイブラー ロビン, 若林 佑幸, 小野 順貴, "マッシュアップ生成のための楽曲ミックスの良さのDNNによる評価の検討," 日本音響学会春季研究発表会講演論文集, pp. 1207–1208, 3月, 2020.
  11. 高橋理希, 山岡洸瑛, 小野順貴, 牧野昭二, 山田武志, "時間周波数スイッチングビームフォーマとGated CNNを用いた時間周波数マスクの組み合わせによる劣決定音声強調," 日本音響学会春季研究発表会講演論文集, pp. 181–184, 3月, 2019.
  12. 陣在遼河, 山岡洸瑛, 松本光雄, 山田武志, 牧野昭二, "ヴァーチャルマイクロフォンの外挿によるマイクロフォン間隔の仮想的拡張," 日本音響学会秋季研究発表会講演論文集, pp. 149–152, 9月, 2018.
  13. 三井 祥幹, 溝口 聡, 猿渡 洋, 越智 景子, 北村 大地, 小野 順貴, 石村 大, 高草木 萌, 松井 裕太郎, 山岡 洸瑛, 牧野 昭二, "柔軟索状ロボットにおける独立低ランク行列分析と統計的音声強調に基づく高品質ブラインド音源分離の開発," ロボティクス・メカトロニクス講演会2017講演論文集, 1P2-P04, 2017.
  14. 三井 祥幹, 溝口 聡, 猿渡 洋, 越智 景子, 北村 大地, 小野 順貴, 石村 大, 前 成美, 高草木 萌, 松井 裕太郎, 山岡 洸瑛, 牧野 昭二, "独立低ランク行列分析と統計的音声強調を用いた柔軟索状ロボットにおけるブラインド音源分離システムの開発," 日本音響学会春季研究発表会講演論文集, pp. 517–518, 3月, 2017.