Using various signal processing technologies, a microphone system has been developed to enhance hands-free communications in automobiles. The steered microphone array functions as a highly directive beamforming spatial filter, thereby emphasizing the location of the selected talker. Experimental results demonstrate that a steered response power-phase transform algorithm is robust in reverberant and noisy environments.

Authors: Bai, Mingsian R.; Ho, Pochang
Affiliation: Department of Mechanical Engineering, National Chiao-Tung University, Hsin-Chu 300, Taiwan
JAES Volume 56 Issue 4 pp. 280-291; April 2008
Publication Date: April 15, 2008

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