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Speech enhancement with adaptive spectral estimators

Journal of Communications Technology and Electronics volume 61, pages 672–678 (2016)Cite this article

Abstract

Common statistical estimators for speech enhancement rely on several assumptions about statistical properties of speech and noise processes. In real applications, these assumptions may not be always satisfied due to the effects of a nonstationary environment. In this work, we propose new robust spectral estimators for speech enhancement by incorporation of calculation of rank-order statistics to existing speech enhancement estimators. The proposed estimators are better adapted to nonstationary characteristics of speech signals and noise processes in real environments. By means of computer simulations, we show that the proposed estimators outperform the known estimators in terms of objective criteria of quality.

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Authors and Affiliations

  1. Instituto Politécnico Nacional-CITEDI, Ave. del Parque 1310, Mesa de Otay, Tijuana, B.C., 22510, México

    Y. Sandoval-Ibarra & V. H. Diaz-Ramirez

  2. Departament of Computer Science, CICESE, Carretera Ensenada-Tijuana 3918, Zona Playitas, Ensenada, B.C., 22860, México

    V. I. Kober

  3. Institute for Information Transmission Problems, Russian Academy of Sciences, Bol’shoi Karetnyi per. 19 str. 1, Moscow, 127051, Russia

    V. I. Kober & V. N. Karnaukhov

Authors
  1. Y. Sandoval-Ibarra
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  2. V. H. Diaz-Ramirez
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  3. V. I. Kober
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  4. V. N. Karnaukhov
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Corresponding authors

Correspondence to V. I. Kober or V. N. Karnaukhov.

Additional information

Original Russian Text © Y. Sandoval-Ibarra, V.H. Diaz-Ramirez, V.I. Kober, V.N. Karnaukhov, 2015, published in Informatsionnye Protsessy, 2015, Vol. 15, No. 3, pp. 314–323.

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Sandoval-Ibarra, Y., Diaz-Ramirez, V.H., Kober, V.I. et al. Speech enhancement with adaptive spectral estimators. J. Commun. Technol. Electron. 61, 672–678 (2016). https://doi.org/10.1134/S1064226916060218

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  • DOI: https://doi.org/10.1134/S1064226916060218

Keywords

  • speech filtering
  • speech enhancement
  • robust estimators