Speech Enhancement Based on Blind Source Separation in Car Environments

Tokyo, Japan April 05-April 08

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http://doi.ieeecomputersociety.org/10.1109/ICDE.2005.289

21st International Conference on Data ...

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	Hiroshi Saruwatari, Katsuyuki Sawai, Tsuyoki Nishikawa, Akinobu Lee, Kiyohiro Shikano, Atsunobu Kaminuma, Masao Sakata, Daisuke Saitoh, "Speech Enhancement Based on Blind Source Separation in Car Environments," Data Engineering Workshops, 22nd International Conference on, pp. 1205, 21st International Conference on Data Engineering Workshops (ICDEW'05), 2005.

	BibTex	x
	@article{ 10.1109/ICDE.2005.289, author = {Hiroshi Saruwatari and Katsuyuki Sawai and Tsuyoki Nishikawa and Akinobu Lee and Kiyohiro Shikano and Atsunobu Kaminuma and Masao Sakata and Daisuke Saitoh}, title = {Speech Enhancement Based on Blind Source Separation in Car Environments}, journal ={Data Engineering Workshops, 22nd International Conference on}, volume = {0}, year = {2005}, isbn = {0-7695-2657-8}, pages = {1205}, doi = {http://doi.ieeecomputersociety.org/10.1109/ICDE.2005.289}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - CONF JO - Data Engineering Workshops, 22nd International Conference on TI - Speech Enhancement Based on Blind Source Separation in Car Environments SN - 0-7695-2657-8 SP EP A1 - Hiroshi Saruwatari, A1 - Katsuyuki Sawai, A1 - Tsuyoki Nishikawa, A1 - Akinobu Lee, A1 - Kiyohiro Shikano, A1 - Atsunobu Kaminuma, A1 - Masao Sakata, A1 - Daisuke Saitoh, PY - 2005 KW - null VL - 0 JA - Data Engineering Workshops, 22nd International Conference on ER -

Hiroshi Saruwatari, Nara Institute of Science and Technology, Japan

Katsuyuki Sawai, Nara Institute of Science and Technology, Japan

Tsuyoki Nishikawa, Nara Institute of Science and Technology, Japan

Akinobu Lee, Nara Institute of Science and Technology, Japan

Kiyohiro Shikano, Nara Institute of Science and Technology, Japan

Atsunobu Kaminuma, NISSAN MOTOR CO.,LTD.

Masao Sakata, NISSAN MOTOR CO.,LTD.

Daisuke Saitoh, NISSAN MOTOR CO.,LTD.

This paper describes a new speech enhancement system used in car environments, where independent component analysis (ICA)-based blind source separation (BSS) and subband elimination (SBE) processing are combined to achieve a high separation performance. The proposed method consists of two parts, fast-convergence frequency domain ICA and SBE processing based on the independence among the separated subband signals. The SBE enforcedly eliminates the subband components in which the separation could not be performed well. The experiment in a real car environment reveals that the proposed method can improve the qualities of the separated speech and word recognition rates for both directional and diffuse noises.

Citation:

Hiroshi Saruwatari, Katsuyuki Sawai, Tsuyoki Nishikawa, Akinobu Lee, Kiyohiro Shikano, Atsunobu Kaminuma, Masao Sakata, Daisuke Saitoh, "Speech Enhancement Based on Blind Source Separation in Car Environments," icdew, pp.1205, 21st International Conference on Data Engineering Workshops (ICDEW'05), 2005

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