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A Multiscale Chaotic Feature Extraction Method for Speaker Recognition

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  • Jiang Lin
  • Yi Yumei
  • Zhang Maosheng
  • Chen Defeng
  • Wang Chao
  • Wang Tonghan

Abstract

In speaker recognition systems, feature extraction is a challenging task under environment noise conditions. To improve the robustness of the feature, we proposed a multiscale chaotic feature for speaker recognition. We use a multiresolution analysis technique to capture more finer information on different speakers in the frequency domain. Then, we extracted the speech chaotic characteristics based on the nonlinear dynamic model, which helps to improve the discrimination of features. Finally, we use a GMM-UBM model to develop a speaker recognition system. Our experimental results verified its good performance. Under clean speech and noise speech conditions, the ERR value of our method is reduced by 13.94% and 26.5% compared with the state-of-the-art method, respectively.

Suggested Citation

  • Jiang Lin & Yi Yumei & Zhang Maosheng & Chen Defeng & Wang Chao & Wang Tonghan, 2020. "A Multiscale Chaotic Feature Extraction Method for Speaker Recognition," Complexity, Hindawi, vol. 2020, pages 1-9, December.
    • Handle: RePEc:hin:complx:8810901
    DOI: 10.1155/2020/8810901
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