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International Workshop on Hands-Free Speech Communication

Kyoto, Japan
9-11 April 2001

Microphone Array / Echo Canceller


Sound source segregation based on estimating incident angle for hands-free speech recognition
Mariko Aoki, Ken'ichi Furuya, Osamu Yoshioka, Yoshikazu Yamaguchi

Blind source separation in reflective sound fields
Futoshi Asano, Shiro Ikeda, Michiaki Ogawa, Hideki Asoh, Nobuhiko Kitawaki

An efficient combination of multi-channel acoustic echo cancellation with a beamforming microphone array
H. Buchner, W. Herbordt, Walter Kellermann

Noise reduction and dereverberation using correlation matrix based on the multiple-input/output inverse-filteringtheorem (MINT)
Ken'ichi Furuya

Speech acquisition through space diversity using distributed multi-microphone
Shoji Kajita, Yasuhiro Shimizu, Kazuya Takeda, Fumitada Itakura

Direction of arrival estimation using nonlinear microphone array based on complementary beamforming
Hidekazu Kamiyanagida, Hiroshi Saruwatari, Kazuya Takeda, Fumitada Itakura, Kiyohiro Shikano

Fast-convergence algorithm for ICA-based blind source separation utilizing array signal processing
Toshiya Kawamura, Hiroshi Saruwatari, Kiyohiro Shikano

Performance improvement of stereophonic acoustic echo canceller using non-linear pre-processing
Young Ho Lee, Jang Sik Park, Kyung Sik Son, Chung Ho Lee

A high directional sound for hands-free system by focusing parametric array sound
Tatsuya Nakazawa, Yoshimichi Yonezawa, Kazunori Itoh, Masami Hashimoto

Adaptive step-size control using orthogonality principles for acoustic echo cancellation
Jang Sik Park, Jin Youl Lee, Kyung Sik Son


Speech Enhancement / Speech Recognition I


Limitation of frequency domain blind source separation for convolutive mixture of speech
Shoko Araki, Shoji Makino, Tsuyoki Nishikawa, Hiroshi Saruwatari

Spectral enhancement by tracking speech presence probability in subbands
Israel Cohen, Baruch Berdugo

Bayesian information criterion based multi-style training and likelihood combination for robust hands free speechrecognition in the car
V. Fischer, S. J. Kunzmann

Multiple sound sources recognition by a microphone array-based 3-D N-best search with likelihood normalization
Panikos Heracleous, Satoshi Nakamura, Kiyohiro Shikano

Non-speech sound recognition with microphone array
Kazuo Hiyane, Jun Iio

Hierarchical feature compensation and its application to hands-free ASR
Hui Jiang, Frank Soong, Chin-Hui Lee

A generalized dynamic cepstrum for hands-free speech recognition
Hiroshi Matsumoto, Yoshihiro Ito, Akihiko Shimizu, Kazumasa Yamamoto

Robust speech recognition by multiple beamforming with reflection signal equalization
Takanobu Nishiura, Satoshi Nakamura, Kiyohiro Shikano

Acoustic model for robust speech recognition of stressed Japanese speech
Kozo Okuda, Tomoko Matsui, Satoshi Nakamura

Integration of HMM composition and a microphone array for overlapping speech recognition
T. Takiguchi, M. Nishimura

Voice activity detection using non-speech models and HMM composition
Takeshi Yamada, Narimasa Watanabe, Futoshi Asano, Nobuhiko Kitawaki

A linear estimator based on subspace decomposition using wavelet transform for speech enhancement
Chung-Hsien Yang, Jhing-Fa Wang

Noise compensation by a sequential Kullback proximal algorithm
Kaisheng Yao, Kuldip K. Paliwal, Bertram E. Shi, Satoshi Nakamura

Statistical estimation for hands-free speech recognition
Yunxin Zhao




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Invited Presentations

Microphone Array / Echo Canceller

Speech Enhancement / Speech Recognition I

Speech Recognition II (Noisy Speech Recognition)

Multi-Modal Processing / Real Application / Systems and Devices / Corpora and Tools