Interface for Barge-in Free Spoken Dialogue System Using Nullspace Based Sound Field Control and Beam forming (Speech/Audio Processing, <Special Section> Multidimensional Signal Processing and Its Application)
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概要
- 論文の詳細を見る
In this paper, we describe a new interface for a barge-in free spoken dialogue system combining multichannel sound field control and beamforming, in which the response sound from the system can be canceled out at the microphone points. The conventional method inhibits a user from moving because the system forces the user to stay at a fixed position where the response sound is reproduced. However, since the proposed method does not set control points for the reproduction of the response sound to the user, the user is allowed to move. Furthermore, the relaxation of strict reproduction for the response sound enables us to design a stable system with fewer loudspeakers than those used in the conventional method. The proposed method shows a higher performance in speech recognition experiments.
- 社団法人電子情報通信学会の論文
- 2006-03-01
著者
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SARUWATARI Hiroshi
Nara Institute of Science and Technology
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SARUWATARI Hiroshi
the Graduate School of Information Science, Nara Institute of Science and Technology
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SHIKANO Kiyohiro
the Graduate School of Information Science, Nara Institute of Science and Technology
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Shikano K
Chiba University And National Institute Of Information And Communications Technology
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MIYABE Shigeki
Graduate School of Information Science, Nara Institute of Science and Technology
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MIYABE Shigeki
the Graduate School of Information Science, Nara Institute of Science and Technology
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TATEKURA Yosuke
the Faculty of Engineering, Shizuoka University
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Miyabe Shigeki
Graduate School Of Information Science Nara Institute Of Science And Technology
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Sawada H
Graduate School Of Information Science Nara Institute Of Science And Technology
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