功能函数，用于matlab的仿真和实现，可用于语音识别和语音处理-Functions for matlab simulation and implementation, can be used for speech recognition and speech processing

语音信号处理前分离信号噪声,matlab环境下运行,使信号处理效果更好-Speech signal processing before the separation of signal to noise, running under the matlab environment, make the signal processing effect is better