NDLI: Dependent noise reduction from an acoustical array combining microphones and a piezoelectric device under blind condition

Content Provider	IEEE Xplore Digital Library
Author	Matsumoto, M. Hashimoto, S.
Copyright Year	2009
Description	Author affiliation: The Education and Research Center for Frontier Science, The University of Electro-Communications, 1-5-1, Chofugaoka, Chofu-shi, Tokyo, 182-8585, Japan (Matsumoto, M.) \|\| Department of Applied Physics, Waseda University, 55N-4-10A, 3-4-1, Okubo, Shinjuku-ku, Tokyo, Japan (Hashimoto, S.)
Abstract	This paper describes an algorithm for internal noise reduction from dependent mixtures of microphones and a piezoelectric device under blind condition. The features of our approach are summarized as follows: (1) The purposed method handles internal noise reduction of the acoustical array combining microphones and a piezoelectric device in the time domain. (2) It can reduce the internal noise from each microphone even when the number of the sounds and noise is larger than that of the acoustical sensors. (3) It does not utilize the statistical independence of the sounds. The sounds may be not only the statistically independent but may also be statistically dependent. (4) It handles the partially disjoint sounds in the time domain. The sounds may be overlap in the frequency domain. (5) It does not require to estimate the intervals when sounds are disjoint. We formulate the problem and show the methodology of the proposed method. Experimental results are also demonstrated to confirm the effectiveness of the proposed method.
Starting Page	2141
Ending Page	2144
File Size	684527
Page Count	4
File Format	PDF
ISBN	9781424438273
DOI	10.1109/ISCAS.2009.5118219
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-24
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Microphone arrays Noise reduction Piezoelectric devices
Content Type	Text
Resource Type	Article

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