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Adaptive filtering for speech enhancement in colored noise

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3 Author(s)
Ki Yong Lee ; Dept. of Telecommun. Eng, Soongsil Univ., Seoul, South Korea ; Byung-Gook Lee ; Souguil Ann

We consider an adaptive filtering algorithm for speech parameter estimation and enhancement when the observation noise is colored with no a priori information. The resulting algorithm consists of adaptive filtering procedures that recursively estimate and enhance the parameters of speech plus noise model, and results in /spl sim/3 dB improvement over Gaussian assumption on the excitation source.

Published in:

IEEE Signal Processing Letters  (Volume:4 ,  Issue: 10 )