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Energy-based speech enhancement technique for hands-free communication

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3 Author(s)
Rahmani, M. ; Comput. Dept., Iran Univ. of Sci. & Technol. ; Yousefian, N. ; Akbari, A.

A dual channel speech enhancement technique for hands-free applications is presented. The proposed method is based on the difference between the powers of two received signals in near-field condition. The subtraction of power spectral densities of noisy signals at two microphones is employed as a criterion for noise reduction. Obtained results show the capability of the proposed method in various noisy environments.

Published in:

Electronics Letters  (Volume:45 ,  Issue: 1 )