Abstract:This paper proposes stereo-based speech feature enhancement using dictionary learning. Instead of posterior values obtained by a Gaus sian mixture as in other methods, we use sparse weight vectors and their variants as an alternative noisy speech feature representation. This paper also provides an efficient algorithm that can be applied to large-scale speech processing. We show the effectiveness of the pro posed approach by using a middle vocabulary noisy speech recog nition task based on WSJ, which was provid… Show more
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