Single Channel Blind Source Separation Based on NMF and Its Application to Speech Enhancement

被引：0

作者：

Chen, Yongqiang ^{[1
]}

机构：

[1] Chengdu Univ Informat Technol, Coll Commun Engn, Chengdu, Sichuan, Peoples R China

来源：

2017 IEEE 9TH INTERNATIONAL CONFERENCE ON COMMUNICATION SOFTWARE AND NETWORKS (ICCSN) | 2017年

关键词：

single channel blind source separation; nonnegative matrix factorization; time correlation constraint; non-stationary noise; speech enhancement; ALGORITHMS;

D O I：

暂无

中图分类号：

TP31 [计算机软件];

学科分类号：

081202 ; 0835 ;

摘要：

In this paper, an improved nonnegative matrix factorization (NMF) algorithm is proposed for single channel blind source separation and applied to speech enhancement. By adding time correlation item to objective function to constrain the time-varying gain coefficients of noise, it can achieve better effect of speech enhancement. We propose an efficient algorithm to optimize objective function with constraint item and effectively improve the estimation precision of the time-varying gain coefficients. Experiment results show that the proposed algorithm has more advantages compared with existing methods.

引用

页码：1066 / 1069

页数：4

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