Optimization of a two-sensor noise reduction technique

Abstract
This letter deals with the problem of speech enhancement for mobile radio communications when two noisy observations are available. The basic idea consists of using the coherence function as a pertinent criterion to distinguish the useful signal from the disturbing noises when noises are decorrelated. There, we propose an optimization of a noise-reduction method based on the coherence function and compare the two methods objectively and by listening tests.<>

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