Proposed a method for calculating parameters of Mel

代码说明：

提出了一种计算Mel频倒谱参数特征的改进算法, 该算法采用了加权滤波器分析技术来提高语音信号低频部分的频谱分辨率,使之更符合人类听觉系统的特性。-Proposed a method for calculating parameters of Mel-frequency cepstral features improve the algorithm, which uses a weighted filter analysis techniques to improve the voice signal low-frequency part of the spectrum resolution, to make it more in line with the characteristics of the human auditory system.