Objective sound quality evaluation for combination method of beamforming and spectral subtraction (応用音響)
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概要
- 論文の詳細を見る
In this paper, we conduct an analysis for reduction of musical noise in integration method of microphone array signal processing and nonlinear signal processing. In these days, for better noise reduction, integration methods of microphone array signal processing and nonlinear signal processing have been researched. However, nonlinear signal processing causes musical noise. Since such musical noise make users uncomfortable, it is desired that musical noise is mitigated. Moreover, in these days, it is reported that higher-order statistics is strongly related with the amount of generated musical noise. Thus, we analyze the integrated method of microphone array, signal processing and nonlinear signal processing, based on higher-order statistics. Also, we propose an architecture for reducing musical noise based on the analysis. The effectiveness of the proposed architecture and analysis correctness are shown via a computer simulation and a subjective evaluation.
- 社団法人電子情報通信学会の論文
- 2009-01-22
著者
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SARUWATARI Hiroshi
Nara Institute of Science and Technology
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SHIKANO Kiyohiro
Nara Institute of Science and Technology
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SARUWATARI Hiroshi
Graduate School of Information Science, Nara Institute of Science and Technology
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SHIKANO Kiyohiro
Graduate School of Information Science, Nara Institute of Science and Technology
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Shikano Kiyohiro
Graduate School Of Information Science Nara Institute Of Science And Technology
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Saruwatari Hiroshi
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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TAKAHASHI Yu
Graduate school of Information Science, Nara Institute of Science and Technology
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OSAKO Keiichi
Graduate school of Information Science, Nara Institute of Science and Technology
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KONDO Kazunobu
SA Group, Center for Advanced Sound Technologies, Yamaha Corp.
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Takahashi Yu
Nara Inst. Of Sci. And Technol. Nara
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Osako Keiichi
Graduate School Of Information Science Nara Institute Of Science And Technology
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Kondo Kazunobu
Yamaha Corporate Reserch & Dev. Center Shizuoka Jpn
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Sawada H
Graduate School Of Information Science Nara Institute Of Science And Technology
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Takahashi Yu
Graduate School Of Information Science Nara Institute Of Science And Technology
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