List

  • Dissertation


  • Journal Papers


    1. Shun Nishide, Tetsuya Ogata, Jun Tani, Toru Takahashi, Hiroshi G. Okuno, Tetsuya Ogata, "Tool-Body Assimilation of Humanoid Robt using Neuro-Dynamical System", IEEE Transactions on Autonomous Mental Development, accepted, Oct. 11, 2011.

    2. Kazunori Komatani, Kyoko Matsuyama, Ryu Takeda, Toru Takahashi, Tetsuya Ogata, Hiroshi G. Okuno, "Spoken Dialogue System that Uses Information on Locutionary Acts to Interpret User Utterances", Journal of Information Processing Society of Japan, Vol.52, No.12, pp.3374--3385, 2011.

    3. Naoki Yasuraoka, Takuya Yoshioka, Katsutoshi Itoyama, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Musical Sound Separation and Synthesis Using Harmonic/Inharmonic GMM and NMF for Phrase Replacing System", Journal of Information Processing Society of Japan, Vol.52, No.12, pp.3839--3852, 2011.

    4. Ikkyu Aihara, Ryu Takeda, Takeshi Mizumoto, Takuma Otsuka, Toru Takahashi, Hiroshi G. Okuno, Kazuyuki Aihara, "Complex and Transitive Synchronization in a Frustrated System of Calling Frogs", Journal of American Physical Society, Physical Review E, accepted

    5. Ryu Takeda, Kazuhiro Nakadai, Toru Takahashi, Tetsuya Ogata, Hiroshi G. Okuno, "Efficient Blind Dereverberation and Echo Cancellation based on Independent Component Analysis for Actual Acoustic Signals", Neural Computation, January 2012, Vol.24, No.1, pp.234--272, MIT Press, doi:10.1162/NECO_a_00219, Jan., 2012.

    6. Zhang Yang, Tetsuya Ogata, Shun Nishide, Toru Takahashi, Hiroshi G. Okuno, "Classification of Known and Unknown Environmental Sounds based on Self-organized Space using Recurrent Neural Network", Advanced Robotics, Vol.25, No.17, pp.2127--2141, Nov. 2011. doi:10.1163/016918611X595017

    7. Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Tetsuya Ogata, Hiroshi G. Okuno, "Real-Time Audio-to-Score Alignment using Particle Filter for Co-player Music Robots", EURASIP Journal of Advances in Signal Processing, Vol.2011, doi:10.1155/2011/384651, 2011.

    8. Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Voice awareness control for a humanoid robot consistent with its body posture and movements," PALADYN Journal of Behavioral Robotics, Vol.1, No.1 (Mar. 2010) pp.80-88, doi:10.2478/s13230-010-0009-x

    9. Takeshi Mizumoto, Koji Tsujino, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Development of a Theremin Player Robot Based on Arm-Position-to-Pitch and -Volume Models", Journal of Information Processing Society of Japan, Vol.51, No.10, pp.2007--2019, 2010.

    10. Kazuhiro Nakadai, Toru Takahashi, Hiroshi G. Okuno, Hirofumi Nakajima, Yuji Hasegawa, and Hiroshi Tsujino, "Design and Implementation of Robot Audition System 'HARK' ---Open Source Software for Listening to Three Simultaneous Speakers", Advanced Robotics Vol.24, No. 5-6, pp.739--761, (2010). (DOI:10.1163/016918610X493561)

    11. Toru Takahashi, Kazuhiro Nakadai, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Soft Missing-Feature Mask Generation for Simultaneous Speech Recognition System in Robots," PALADYN Journal of Behavioral Robotics, Vol.1, No.1 (Mar. 2010) pp. 37-47, doi:10.2478/s13230-010-0005-1

    12. 日下 航, 尾形 哲也, 小島 秀樹, 高橋 徹, 奥乃 愽, "RNN を備えた２体のロボット間における身体性に基づいた動的コミュニケーションの創発", 日本ロボット学会誌, Vol.27, No.4, pp.532--543 (2010).

    13. 武田 龍, 中臺 一博, 高橋 徹, 駒谷 和範, 尾形 哲也, 奥乃 愽, "残響下でのバージイン発話認識のための多入力独立成分分析を応用したロボット聴覚", 日本ロボット学会誌, Vol.27, No.7/8, pp.80--90, Sept., (2009).

    14. 神田 尚, 尾形 哲也, 高橋 徹, 駒谷 和範, 奥乃 愽, "人工神経回路モデルと声道物理モデルを用いた母音模倣モデルに基づく音素獲得シミュレーション", 日本ロボット学会誌, Vol.27, No.7/8, pp.100--111, Sept., (2009).

    15. 森勢 将雅, 高橋 徹, 河原 英紀, 入野 俊夫, "分析時刻に依存しない周期信号のパワースペクトル推定法を用いた音声分析", 電子情報通信学会, 和文A 分冊, Vol.J92-A, No.3, pp.163--171, 2009. [download]

    16. Hideki Kawahara, Masanori Morise, Toru Takahashi, Ryuichi Nishimura, Hideki Banno, Toshio Irino, "A Temporally Stable Representation of power spectra of periodic signals and its application to F0 and Periodicity Estimation", Journal of Acoustic Society of America, Vol. 123, No.5, Pt.2, pp.3074-3075, May, 2008. [The Acoustical Society of America]

    17. 河原 英紀, 生駒 太一, 森勢 将雅, 高橋 徹, 豊田 健一, 片寄 晴弘, "モーフィングに基く歌唱デザインインタフェースの提案と初期的検討", 情報処理学会, インタラクションの理解とデザイン特集号, Vo.48, No.12, pp.3637--3648, December, 2007.

    18. Hideki Banno, Hiroaki Hata, Masanori Morise, Toru Takahashi, Toshio Irino, Hideki Kawahara, "Implementation of realtime STRAIGHT speech manipulation system", Acoust. Sci. & Tech. 2007. Vol.28, No.3, pp.140--146, 2007. [download]

    19. 河原 英紀, 生駒 太一, 森勢 将雅, 高橋 徹, 豊田 健一, 片寄 晴弘, "歌唱モーフィングに基く音質と歌い回し転写の知覚的検討", インタラクション 2007, 一般講演論文, pp.113--120, March, 2007.

    20. Toru Takahashi, Keiichi Tokuda, Takao Kobayshi, Tadashi Kitamura, "Mixture Density Models Based on Mel-Cepstral Representation of Gaussian Process", IEICE Vol. E86-A, pp.1971--1978, Aug. 2003. [download]

    21. 高橋 徹, 徳田 恵一, 小林 隆夫, 北村 正, "スペクトル分析の ための尺度を用いたメルケプストラム係数のベクトル量子化", IEICE Vol.J85-D, pp.1273--1283, Aug. 2002. [download]


  • Patent


    1. 河原 英紀, 森勢 将雅, 高橋 徹, 入野 俊夫, 周期信号処理方法, 周期信号変換方法および周期信号処理装置, 2007, (特願2007-187697) (出願中).

  • 章分担


    1. Hideki Kawahara, Masanori Morise, Toru Takahashi, Ryuichi Nisimura, Hideki Banno, Toshio Irino, "STRAIGHT, a Framework for Speech Analysis, Modification, and Synthesis," Shuichi Itahashi, Chiu-yu Tseng (Eds.): Computer Processing of Assian Spoken Languages, pp.297--300, 2010.

    2. Takuma Otsuka, Takeshi Mizumoto, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Music-ensemble robot that is capable of playing the theremin while listening to the accompanied music," Nicol\'{a}s Garc\'{\i}a-Pedrajas, Francisco Herrera, Colin Fyfe, Jos\'{e} Manuel Ben\'{\i}tez, and Moonis Ali (Eds.): Trends in Applied Intelligent Systems, LNAI 6096, 102-112, Cordoba, Spain, June 1-4 (2), 2010.


    3. Akira Maezawa, Katsutoshi Itoyama, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Violin Fingering Estimation Based on Violin Pedagogical Fingering Model Constrained by Bowed Sequence Estimation from Audio Input," Nicol\'{a}s Garc\'{\i}a-Pedrajas, Francisco Herrera, Colin Fyfe, Jos\'{e} Manuel Ben\'{\i}tez, and Moonis Ali (Eds.): Trends in Applied Intelligent Systems, LNAI 6098, 249-259, Cordoba, Spain, June 1-4 (3), 2010.


    4. Kyoko Matsuyama, Kazunori Komatani, Toru Takahashi, Tetsuya Ogata, Hiroshi G. Okuno, "Improving Identification Accuracy by Extending Acceptable Utterances in Spoken Dialogue System Using Barge-in Timing," Nicol\'{a}s Garc\'{\i}a-Pedrajas, Francisco Herrera, Colin Fyfe, Jos\'{e} Manuel Ben\'{\i}tez, and Moonis Ali (Eds.): Trends in Applied Intelligent Systems, LNAI 6097, 585-594, Cordoba, Spain, June 1-4 (3), 2010.


  • International Conference and Workshops (with full paper review)


    1. Takeshi Mizumoto, Takami Yoshida, Kazuhiro Nakadai, Ryu Takeda, Takuma Otsuka, Toru Takahashi, Hiroshi G. Okuno, "Design and Implementation of Selectable Sound Separation on a Texai Telepresence System using HARK", Proceedings of IEEE-RAS International Conference on Robotics and Automation (ICRA-2011), acepted (acceptance rate 49%), May 9-13, 2011, Shanghai, China.


    2. Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Tetsuya Ogata, Hiroshi G. Okuno, "Two-level Synchronization using Particle Filter for Co-player Music Robots", Proceedings of IEEE/RSJ-2010 Workshop on Robots and Musical Expression, CD-ROM, Oct. 18, 2010, Taipei.


    3. Takeshi Mizumoto, Angelica Lim, Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Tetsuya Ogata, Hiroshi G. Okuno, "Integration of flutist gesture recognition and beat tracking for human-robot ensemble", Proceedings of IEEE/RSJ-2010 Workshop on Robots and Musical Expression, CD-ROM, Oct. 18, 2010, Taipei.


    4. Angelica Lim, Takeshi Mizumoto, Toru Takahashi, Tetsuya Ogata, Hiroshi G. Okuno, "Programming by Playing and Approaches for Expressive Robot Performances", Proceedings of IEEE/RSJ-2010 Workshop on Robots and Musical Expression, CD-ROM, Oct. 18, 2010, Taipei.


    5. Ryu Takeda, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Speedup and Performance Improvement of ICA-based Robot Audition by Parallel and Resampling-based Block-wise Processing (Invited paper)," Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems, (IROS 2010), (Taiwan, Taipei), October, 18-22 2010, (発表日 10/19)


    6. Takeshi Mizumoto, Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Human-Robot Ensemble between Robot Thereminst and Human Percussionist using Coupled Oscillator Model," Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems, (IROS 2010), (Taiwan, Taipei), October, 18-22 2010, (発表日 10/19)


    7. Angelica Lim, Takeshi Mizumoto, Lois-Kenzo Cahier, Takuma Otsuka, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Robot Musical Accompaniment: Integrating Audio and Visual Cues for Real-time Synchronization with a Human Flutist (Invited paper)," Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS-2010), accepted IEEE, RSJ, Taipei, 18-22 Oct. 2010. (発表日 10/19)


    8. Toru Takahashi, Kazuhiro Nakadai, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "An Improvement in Automatic Speech Recognition Using Soft Missing Feature Masks for Robot Audition (Invited paper)," Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems, (IROS 2010), (Taiwan, Taipei), October, 18-22 2010, (発表日 10/19)


    9. Shun Nishide, Tetsuya Ogata, Jun Tani, Toru Takahashi, Kazunori Komatani, Hiroshi G. Okuno, "Motion Generation Based on Reliable Predictability using Self-organized Object Features (Invited paper)," Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems, (IROS 2010), (Taiwan, Taipei), October, 18-22 2010, (発表日 10/21)


    10. Yasuharu Hirasawa, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Exploiting Harmonic Structures to Improve Separating Simultaneous Speech in Under-Determined Conditions (Invited paper)," Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems, (IROS 2010), (Taiwan, Taipei), October, 18-22 2010, (発表日 10/19)


    11. Shinpei Aso, Takuya Saitou, Masataka Goto, Katsutoshi Itoyama, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "SpeakBySinging: Converting Singing Voices to Speaking Voices While Retaining Voice Timbre," Proceedings of the 13th International Conference on Digital Audio Effects (DAFx-10), October, 2010,


    12. Nobuhide Yamakawa, Tetsuro Kitahara, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Effects of modelling within- and between-frame temporal variations in power spectra on non-verbal sound recognition," Proceedings of International Conference on Spoken Language Processing (Interspeech 2010), 2342-2345, (oral), Makuhari, September, 26-30 2010, (acceptance rate 58.2%), (発表日 9/29)


    13. Kyoko Matsuyama, Kazunori Komatani, Ryu Takeda, Toru Takahashi, Tetsuya Ogata, Hiroshi G. Okuno, "Analyzing User Utterances in Barge-in-able Spoken Dialogue System for Improving Identification Accuracy", Proceedings of International Conference on Spoken Language Processing, (Interspeech 2010), 3050-3053, (oral), Makuhari, September, 26-30 2010, (acceptance rate 58.2%), (発表日 9/30)


    14. Hideki Kawahara, Masanori Morise, Toru Takahashi, Hideki Banno, Ryuichi Nishimura, Toshio Irino, "Simplification and extension of non-periodic excitation source representation for high-quality speech manipulation systems", Proceedings of International Conference on Spoken Language Processing, (Interspeech 2010), 38-41, (oral), Makuhari, September, 26-30 2010, (acceptance rate 58.2%), (発表日 9/27)


    15. Akira Maezawa, Katsutoshi Itoyama, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Query-by-Conducting: An interface to retrieve classical-music interpretations by real-time tempo input," Proceedings of 11th International Conference on Musical Information Retreival (ISMIR-2010), accepted, Dresden, Aug. 2010.


    16. Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Design and Implementation of Two-level Synchronization for Interactive Music Robot," Proceedings of the Twenty-Fourth AAAI Conference on Artificial Intelligence (AAAI-10), accepted (26.9%, 264/982) Mar. 26, July 11-15, 2010, Atlanta, GA.


    17. Hiromitsu Awano, Tetsuya Ogata, Shun Nishide, Toru Takahashi, Kazunori Komatani, Hiroshi G. Okuno, "Human-Robot Cooperation in Arrangement of Objects Using Confidence Measure of Neuro-dynamcal Systems," Proceeding of IEEE International Conference on Systems, Man, adn Cybernetics (SMC 2010), accepted, June 2010.


    18. Takuma Otsuka, Takeshi Mizumoto, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Music-ensemble robot that is capable of playing the theremin while listening to the accompanied music," Proceedings of the 23rd International Conference on Industrial, Engineering and Other Applications of Applied Intelligence Systems (IEA/AIE-2010), Cordoba, Spain, June 1-4, 2010.


    19. Kyoko Matsuyama, Kazunori Komatani, Toru Takahashi, Tetsuya Ogata, Hiroshi G. Okuno, "Improving Identification Accuracy by Extending Acceptable Utterances in Spoken Dialogue System Using Barge-in Timing," Proceedings of the 23rd International Conference on Industrial, Engineering and Other Applications of Applied Intelligence Systems (IEA/AIE-2010), accepted, Cordoba, Spain, June 1-4, 2010, (発表日 6/xx).


    20. Akira Maezawa, Katsutoshi Itoyama, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Violin Fingering Estimation Based on Violin Pedagogical Fingering Model Constrained by Bowed Sequence Estimation from Audio Input," Proceedings of the 23rd International Conference on Industrial, Engineering and Other Applications of Applied Intelligence Systems (IEA/AIE-2010), accepted, Cordoba, Spain, June 1-4, 2010, (発表日 6/xx).


    21. Toru Takahashi, Kazuhiro Nakadai, Kazunori Komatani, Tetsuya Ogata, Hiroshi. G. Okuno, "Improvement in Listening Capability for Humanoid Robot HRP-2," Proceedings of IEEE-RAS International Conference on Robotics and Automation 2010, (ICRA-2010), (Anchorage/U.S.A), pp.xx--xx, acepted, (847/2062), May 3--8, 2010, Anchorage, Alaska, USA., (発表日 5/4).


    22. Ryu Takeda, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Upper-limit Evaluation of a Robot Audition based on ICA-BSS in Multi-source, Barge-in and Highly Reveberant Conditions," Proceedings of IEEE-RAS International Conference on Robotics and Automation (ICRA-2010), accepted, (847/2062), May 3-8, 2010, Anchorage, Alaska, USA., (発表日 5/6).


    23. Ryu Takeda, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Automatic Estimation of Reverberation Time with Robot Speech to Improve ICA-based Robot Audition," Proceedings of IEEE-RAS Interanational Conference on Humanoid Robots (Humanoids 2009), pp.250-355, IEEE, Paris, Dec. 7-10, 2009.


    24. Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Voice quality manipulation for humanoid robots consistent with their head movements," Proceedings of IEEE-RAS Interanational Conference on Humanoid Robots (Humanoids 2009), pp.405-410, IEEE, Paris, Dec. 7-10, 2009.


    25. Akira Maezawa, Katsutoshi Itoyama, Toru Takahashi, Tetsuya Ogata, Hiroshi G. Okuno, "Bowed String Sequence Estimation of a Violin Based on Adaptive Audio Signal Classification and Context-Dependent Error Correction," Proceedings of IEEE International Symposium on Multimedia (ISM2009), accepted for full paper presentation (acceptance rate for full papers, 19.6%), San Diego, Dec. 14-16, 2009.


    26. Naoki Yasuraoka, Takehiro Abe, Katsutoshi Itoyama, Toru Takahashi, Tetsuya Ogata, Hiroshi G. Okuno, "Changing Timbre and Phrase in Existing Musical Performances as You like -- Manipulations of Single Part Using Harmonic and Inharmonic Models," Proceedings of ACM Multimedia 2009, (ACM Multimedia 2009), (China, Beiging), October 19--24, 2009.


    27. Hideki Kawahara, Toru Takahashi, Masanori Morise, Hideki Banno, "Development of exploratory research tools based on TANDEM-STRAIGHT," Proceedings of Asia Pacific Signal and Information Processing Association 2009, (APSIPA), (67%) (Japan, Sappro), pp.111--120, October 4--7, 2009, (発表日 10/5)


    28. Toru Takahashi, Kazuhiro Nakadai, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno "Missing-Feature-Theory-based Robust Simultaneous Speech Recognition System with Non-clean Speech Acoustic Model", Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems 2009, (IROS 2009), (USA, St.Louis), October, 11-15 2009, (発表日 10/13)


    29. Takuma Otsuka, Kazumasa Murata, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno "Incremental Polyphonic Audio to Score Alignment using Beat Tracking for Singer Robots", Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems 2009, (IROS 2009), (USA, St.Louis), October, 11-15 2009, (発表日 10/13)


    30. Wataru Hinoshita, Tetsuya Ogata, Hideki Kozima, Hisashi Kanda, Toru Takahashi, Hiroshi G. Okuno "Emergence of Evolutional Interaction with Voice and Motion between Two Robots using RNN", Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems 2009, (IROS 2009), (USA, St.Louis), October, 11-15 2009, (発表日 10/14)


    31. Ryu Takeda, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Step-size Parameter Adaptation of Multi-channel Semi-blind ICA with Piecewise Linear Model for Barge-in-able Robot Audition", Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems 2009, (IROS 2009), (USA, St.Louis), October, 11-15 2009, (発表日 10/13)


    32. Shun Nishide, Tatasuhiro Nakagawa, Tetsuya Ogata, Jun Tani, Toru Takahashi, Hiroshi G. Okuno, "Modeling Tool-Body Assimilation using Second-order Recurrent Neural Network", Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems 2009, (IROS 2009), (USA, St.Louis), October, 11-15 2009, (発表日 10/14)


    33. Takeshi Mizumoto, Hiroshi Tsujino, Toru Takahashi, Tetsuya Ogata, Hiroshi G. Okuno, "Thereminist Robot: Development of a Robot Theremin Player with Feedforward and Feedback Arm Control based on a Theremin's Pitch Model", Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems 2009, (IROS 2009), (USA, St.Louis), October, 11-15 2009, (発表日 10/13)


    34. Hisashi Kanda, Tetsuya Ogata, Toru Takahashi, Kazunori Komatani, Hiroshi G. Okuno, "Phoneme Acquisition Model-based on Vowel Imitation using Recurrent Neural Network", Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems 2009, (IROS 2009), (USA, St.Louis), October, 11-15 2009, (発表日 10/14)


    35. Hideki Kawahara, Masanori Morise, Toru Takahashi, Hideki Banno, Ryuichi Nisimura, Toshio Irino, "Observation of empirical cumulative distribution of vowel spectral distances and its application to vowel based voice conversion", Proceedings of Interspeech 2009, (Interspeech 2009), (Brighton/UK), pp.xxx--xxx, September, 6--10, 2009, (発表日 9/).


    36. Hisashi Kanda, Tetsuya Ogata, Toru Takahashi, Kazunori Komatani, Hiroshi G. Okuno, "Continuous Vocal Imitation with Self-organized Vowel Spaces in Recurrent Neural Network", Proceedings of IEEE-RAS International Conference on Robotics and Automation 2009, (ICRA-2009), (Kobe/Japan), pp.4438--4443, May 12--17, 2009, (発表日 5/16).


    37. Ryu Takeda, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno "ICA-based efficient blind dereverberation and echo cancellation method for barge-in-able robot audition," Proceedings of 2009 International Conference on Acoustics, Speech and Signal Processing 2009, (ICASSP 2009), SS-L7.1, pp.3677-3680, (Taipei/Taiwan), April 19--24, 2009. (発表日 4/23).


    38. Hideki Kawaahra, Ryuichi Nisimura, Toshio Irino, Masanori Morise, Toru Takahashi, Hideki Banno, "Temporally variable multi-aspect auditory morphing enabling extrapolation without objective and perceptual breakdown", Proceedings of 2009 International Conference on Acoustics, Speech and Signal Processing 2009, (ICASSP 2009), SPE-L7.4, pp.3677-3680, (Taipei/Taiwan), April 19--24, 2009. (発表日 4/23).


    39. Masato Onishi, Toru Takahashi, Toshio Irino, Hideki Kawahara, "Vowel-based frequency alignment function design and recognition-based time alignment for automatic speech morphing", Proceedings of IEEE Workshop on Spoken Language Technology 2008, (SLT 2008), (Goa/Republic of India), December, 15--18, 2008, (渡航制限により発表中止).


    40. Toru Takahashi, Shun'ichi Yamamoto, Kazuhiro Nakadai, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno, "Soft Missing-Feature Mask Generation for Simultaneous Speech Recognition System in Robots", Proceedings of Interspeech 2008, (Interspeech 2008), (Brisbane/Commonwealth of Australia), pp.992--995, September, 22--26, 2008, (発表日 9/24).


    41. Hideki Kawahara, Masanori Morise, Hideki Banno, Toru Takahashi, Ryuichi Nisimura, Tohio Irino, "Spectral Envelope Recovery Beyond the Nyquist Limit for High-Quality Manipulation of Speech Sounds", Proceedings of Interspeech 2008, (Interspeech 2008), (Brisbane/Commonwealth of Australia), pp.650--653, September, 22--26, 2008, (発表日 9/24).


    42. Hideki Kawahara, Masanori Morise, Toru Takahashi, Ryuichi Nishimura, Hideki Banno, Toshio Irino, "A temporally stable representation of power spectra of periodic signals and its application to F0 and periodicity estimation", Proceedings of Acoustics'08, Acoustics'08, (Paris/French Republic), CD-ROM , 1pSCc24, June 29--July 4, 2008, (発表日 6/30)


    43. Hideki Kawahara, Masanori Morise, Toru Takahashi, Ryuichi Nisimura, Hideki Banno, Toshio Irino, "A unified approach for F0 extraction and aperiodicity estimation based on a temporally stable power spectral representation", Proceedings of ISCA Tutorial and Research Workshop (ITRW), ISCA ITRW 2008 (Aalborg, Kingdom of Denmark), June 4--6, 2008, (発表 6/4).


    44. Hideki Kawahara, Masanori Morise, Toru Takahashi, Ryuichi Nisimura, Toshio Irino, Hideki Banno, "TANDEM-STRAIGHT : A Temporally Stable Power Spectral Representation for Periodic Signals and Applications to Interference-free Spectrum, F0, and Aperiodicity Estimation", Proceedings of ICASSP 2008, ICASSP 2008, (LosVegas/United States of America), pp.3933--3936, March 30-- April 4, 2008, (発表日 4/1).


    45. Hideki Kawahara, Masanori Morise, Toru Takahashi, Toshio Irino, Hideki Banno, Osamu Fujimura, "Group Delay for Acoustic Event Representation and its Application for speech Aperiodicity Analysis," Proceedings of 15th European Signal Processing Conference, (EUSIPCO 2007), (Poznan/Republic of Poland), pp.2219--2223, September, 3--7, 2007, (発表日 9/7).


    46. Toru Takahashi, Toshio Irino, Hideki Kawahara, "Speech style conversion based on the statistics of vowel spectrogram and nonlinear frequency mapping," Proceedings of 14th European Signal Processing Conference (EUSIPCO 2006), (Florence/Repubblica Italiana), September, 4--8, 2006, (発表日 9/8).


    47. Toru Takahashi, Toshio Irino, Hideki Kawahara, "Automatic assignment of anchoring points on vowel templates for defining correspondence between time-frequency representations of speeches," Proceedings of Interspeech 2006, (Interspeech 2006, International Conference on Spoken Language Processing (ICSLP2006)), (Pittsburgh/United States of America), pp.2514--2517, September, 17--21, 2006, (発表日 9/21).


    48. Toru Takahashi, Takeshi Fujii, Masashi Nishi, Hideki Banno, Toshio Irino, Hideki Kawahara, "Voice and emotional expression transformation based on statistics of vowel parameters in an emotional speech database", Proceedings of Interspeech 2005, (Interspeech 2005, 9th European Conference on Speech Communication and Technology (Eurospeech)), (Lisbon/Portuguese Republic), pp.1853--1856, September 4--8, 2005, (発表日 9月7日).


    49. Hideki Kawahara, Alan de Cheveigne', Hideki Banno, Toru Takahashi, Toshio Irino, "Nearly defect-free F0 trajectory extraction for expressive speech modifications based on STRAIGHT," Proceedings of Interspeech 2005, (Interspeech 2005, 9th European Conference on Speech Communication and Technology (Eurospeech)), (Lisbon/Portuguese Republic), pp.537--540, September 4--8, 2005, (発表日 9月5日).


    50. Toru Takahashi, Keiichi Tokuda, Takao Kobayashi, Tadashi Kitamura, "Vector quantization of mel-cepstral coefficients based on a statistical measure", (Honolulu/United States of America), Proc. ISPACS 2000, Vol.2, pp.692--695, November 2000.



  • International Conference and Workshops (others)


    1. Hideki Kawahara, Masanori Morise, Toru Takahashi, Hideki Banno, Ryuichi Nisimura, Toshio Irino, "Vocoder-based morphong tool demonstrations for flexible voice manipulations", Proceedings of Audio Engineering Society 14th Regional Convention, (Tokyo/Japan), July 23--25, 2009.


    2. Masato Onishi, Toru Takahshi, Masanori Morise, Toshio Irino, Hideki Kawahara, "Vowel-based voice conversion and its objective evaluation," Proc. 2008 RISP International Workshop on Nonlinear Circuits and Signal Processing, (Gold Coast/Commonwealth of Australia), pp.275--278, March, 6--8, 2008.


    3. Toru Takahashi, Toshio Irino, Hideki Kawahara, "Continuous time-frequency coordinate mapping with sparse anchoring templates and its application to auditory morphing," Proceedings of 19th International Congress on Acoustics, (ICA 2007), (Madrid/Kingdom of Spain), pp. 1--6, September, 2--7, 2007, (発表日 9/2).


    4. Toru Takahashi, Toshio Irino, Hideki Kawahara, "General framework for flexible speech style manipulation and synthesis," (Seoul/Republic of Korea), Proc. WESPAC IX 2006, Paper number 254, June, 26--28, 2006, (発表日 6/26).


    5. Toru Takahashi, Masanori Morise, Toshio Irino, "Evaluating naturalness of speeches morphed by independently using the interpolation ratios of the time-frequency axes and amplitude," Journal of the Acoustial Society of America, Vol.120, No.5, p.3036, (Proceedings of 4th Acoustical Sosiety of Japan(ASJ) and Acoustical Sosiety of America(ASA) joint meeting), (Hawaii/United States of America) November 27--December 3, 2006, (発表日 11月28日).

    6. Toru Takahashi, Hideki Banno, Ryuichi Nisimura, Toshio Irino, Hideki Kawahara, "Spectral fluctuation mapping model for Japanese speech style conversion based on statistics in emotional speech database," (Jakarta/Republic of Indonesia), Proc. Oriental COCOSDA 2005, pp.111--116, December 6--8, 2005.


  • letter


    1. 森勢 将雅, 高橋 徹, 河原 英紀, 入野 俊夫, "窓関数による分析時刻の影響を受けにくい周期信号のパワースペクトル推定法," 電子情報通信学会 和文D分冊, pp.3265--3267.

    2. Masanori Morise, Shunsuke Fukuda, Toru Takahashi, Toshio Irino, Hideki Kawahara, "A unified criteria for noise adaptive sound reproduction system based on an auditory model," Proc. Audio Engineering Society 2007, pp.xxx-xxx, July, 19--21, 2007. (東京／日本).

    3. 森勢 将雅, 高橋 徹, 入野 俊夫, 河原 英紀, "単母音による歌唱音声スペクトルの統計的分析に基く音色制御法の提案と評価," FIT2007 査読付論文, pp.119-122, September 5--7, 2007. (中京大学/愛知).


  • Books


    1. Kiyohiro Shikano, Kazuya Takeda, Tatsuya Kawahara, Hideki Kawahara, Hiroshi Saruwatari, Keiichi Tokuda, Akinobu Ri, Hiromichi Kawanami, Ryuichi Nisimura, Randy Gomez, Tomoki Toda, Takanobu Nishiura, Toru Takahashi, Hideki Banno, Heiga Zen, "ユーザ負担のない話者・環境適応性を実現する自然な音声対話処理技術の総合開発," IEICE, Vol.92, No.6, pp.475--491, 2009.


    2. Toru Takahashi, "コーヒーブレイク 私のすすめるこの一冊, 「現代基礎心理学選書10 信号検出理論の基礎」, トマス D. ウィッケンズ, 岡本安晴訳, 協同出版, 2002年, " 日本音響学会誌, 63巻, 4号, pp.240--241. 2007.

    Other Social Activity

    Technical Reports and Domestic Meetings