一种适合声音信号的降噪处理程序，调用MATLAB脚本文件-A suitable sound signal noise reduction processing procedures

小波去噪程序，调用matlab，db6基波，分解三次，用于声音处理，比一般滤波器要好用-Wavelet denoising procedure, call matlab, db6 fundamental decomposition three times, for sound processing, be easy to use than the average filter

本文简要介绍了语音信号采集与分析的发展史以及语音信号的特征、采集与分析方法，并通过PC机录制自己的一段声音，运用Matlab进行仿真分析，最后加入噪声进行滤波处理，比较滤波前后的变化(This paper briefly introduces the history of the development of speech signal acquisition and analysis, the feature of speech signal, the method of collecting