Journal of Software Engineering and Applications

Volume 3, Issue 4 (April 2010)

ISSN Print: 1945-3116   ISSN Online: 1945-3124

Google-based Impact Factor: 1.22  Citations  h5-index & Ranking

Sudden Noise Reduction Based on GMM with Noise Power Estimation

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DOI: 10.4236/jsea.2010.34039    5,740 Downloads   10,002 Views  Citations

ABSTRACT

This paper describes a method for reducing sudden noise using noise detection and classification methods, and noise power estimation. Sudden noise detection and classification have been dealt with in our previous study. In this paper, GMM-based noise reduction is performed using the detection and classification results. As a result of classification, we can determine the kind of noise we are dealing with, but the power is unknown. In this paper, this problem is solved by combining an estimation of noise power with the noise reduction method. In our experiments, the proposed method achieved good performance for recognition of utterances overlapped by sudden noises.

Share and Cite:

N. Miyake, T. Takiguchi and Y. Ariki, "Sudden Noise Reduction Based on GMM with Noise Power Estimation," Journal of Software Engineering and Applications, Vol. 3 No. 4, 2010, pp. 341-346. doi: 10.4236/jsea.2010.34039.

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