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

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 an...

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Bibliographic Details
Published inComplexity (New York, N.Y.) Vol. 2018
Main Authors Wang, Dong-xia, Jiang, Mao-song, Niu, Fang-lin, Cao, Yu-dong, Zhou, Cheng-xu
Format Journal Article
LanguageEnglish
Published John Wiley & Sons, Inc 01.01.2018
Subjects
Algorithms
Analysis
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Summary: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.
ISSN:1076-2787
DOI:10.1155/2018/6153451