Copula filtration of spoken language signals on the background of acoustic noise

Lilia V. Kolchenko; Rustem B. Sinitsyn

doi:10.1117/12.872195

14 September 2010 Copula filtration of spoken language signals on the background of acoustic noise

Lilia V. Kolchenko, Rustem B. Sinitsyn

Proceedings Volume 7745, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2010; 774514 (2010) https://doi.org/10.1117/12.872195
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2010, 2010, Wilga, Poland

Abstract

This paper is devoted to the filtration of acoustic signals on the background of acoustic noise. Signal filtering is done with the help of a nonlinear analogue of a correlation function - a copula. The copula is estimated with the help of kernel estimates of the cumulative distribution function. At the second stage we suggest a new procedure of adaptive filtering. The silence and sound intervals are detected before the filtration with the help of nonparametric algorithm. The results are confirmed by experimental processing of spoken language signals.

Citation Download Citation

Lilia V. Kolchenko and Rustem B. Sinitsyn "Copula filtration of spoken language signals on the background of acoustic noise", Proc. SPIE 7745, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2010, 774514 (14 September 2010); https://doi.org/10.1117/12.872195

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