中文说明：语音可以使用不同的参数来评估其质量，语音编码。其中一些是光谱动力学、光谱质心、光谱平坦度等。此文件包含计算所有这些参数的matlab函数；
English Description：
voice can accessed using different parameters for evaluation regarding its quality, speech coding. Some of these are spectral dynamics, spectral centroid, spectral flatness etc. This file contains matlab functions to calculate all these parameters.