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Speech Enhancement Control Design Algorithm for Dual-Microphone Systems Using β -NMF in a Complex Environment

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  • Dong-xia Wang
  • Mao-song Jiang
  • Fang-lin Niu
  • Yu-dong Cao
  • Cheng-xu Zhou

Abstract

Single-microphone speech enhancement algorithms by using nonnegative matrix factorization can only utilize the temporal and spectral diversity of the received signal, making the performance of the noise suppression degrade rapidly in a complex environment. Microphone arrays have spatial selection and high signal gain, so it applies to the adverse noise conditions. In this paper, we present a new algorithm for speech enhancement based on two microphones with nonnegative matrix factorization. The interchannel characteristic of each nonnegative matrix factorization basis can be modeled by the adopted method, such as the amplitude ratios and the phase differences between channels. The results of the experiment confirm that the proposed algorithm is superior to other dual-microphone speech enhancement algorithms.

Suggested Citation

  • Dong-xia Wang & Mao-song Jiang & Fang-lin Niu & Yu-dong Cao & Cheng-xu Zhou, 2018. "Speech Enhancement Control Design Algorithm for Dual-Microphone Systems Using β -NMF in a Complex Environment," Complexity, Hindawi, vol. 2018, pages 1-13, September.
    • Handle: RePEc:hin:complx:6153451
    DOI: 10.1155/2018/6153451
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    Cited by:

    1. Li-juan Sun & Zhen-kai Zhang & Hamid Esmaeili Najafabadi, 2019. "Shared Aperture Multibeam Forming of Time-Modulated Linear Array," Complexity, Hindawi, vol. 2019, pages 1-10, November.

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