摘要
简述了各种适用于语音增强的方法,重点介绍了传统谱减法和新型小波变换阈值语音增强方法,并通过MATLAB仿真实验验证了两种方法的降噪效果.针对这两种方法出现的问题,采用了两种方法结合的联合降噪方法,有效地克服了两种方法单独使用时的不足之处.
Speech enhancement technology is always one of the hot research problems in signal processing. This article simply describes the various applicable to the method for speech enhancement, mainly intro duces the traditional spectral subtraction and new wavelet transform threshold method of speech enhance ment, and through the MATLAB simulation experiments validate the effect of two methods of noise re duction. In view of the problems of these two methods,presents joint noise reduction method uses a corn bination of both methods, effectively overcome the inadequacies of the two methods when used alone
出处
《湖北工业大学学报》
2013年第1期64-66,70,共4页
Journal of Hubei University of Technology
关键词
语音增强
谱减法
小波变换
阈值
speech enhancement
spectral subtraction
wavelet transform
threshold
