带噪语音的产生最小二乘法拟合消除趋势项的函数 语音信号的预处理一——消除趋势项和直流分量-Generate the least squares method to eliminate noisy speech function fitting term trends in the speech signal preprocessing one- eliminating the trend term and DC components

preprocessing step codes for speech enhancement

里面有两个程序已经调试成功，其一是语音预处理，其二是语音特征参数提取：mfcc(Preprocessing of speech signa)