5th International Conference on Spoken Language Processing

Sydney, Australia
November 30 - December 4, 1998

An Adaptive Beamforming Microphone Array System Using A Blind Deconvolution

Jin-Nam Park, Tsuyoshi Usagawa, Masanao Ebata

Department of Computer Science, Kumamoto University, Japan

This paper proposes an adaptive microphone array using blind deconvolution. The method realizes an signal enhancement based on the combination with beamforming using blind deconvolution, synchronized summation and DSA method. The proposed method improves a performance of estimation by the iterative operation of blind deconvolution using a cost-function base on the coherency function.

Full Paper

Sound Examples
The performance by mean value of coherence in simulation: Case 1
The performance by mean value of coherence in simulation: Case 2
The performance as a mean value of coherence in experiment: Case 1
The performance as a mean value of coherence in experiment: Case 2

Bibliographic reference.  Park, Jin-Nam / Usagawa, Tsuyoshi / Ebata, Masanao (1998): "An adaptive beamforming microphone array system using a blind deconvolution", In ICSLP-1998, paper 0418.