对一段语音信号进行预处理，加窗，求过零率，短时能量，求各种语音信号的特征参数。

声学滤波 基于octave filter bank的语音特征提取及滤波，用于辅助听力器材设计 -Acoustic filter characteristics octave filter bank based speech extraction and filtering design for assistive listening devices

BP神经网络的数据分类——语音特征信号分类，matlab(Data classification of BP neural network -- speech feature signal classification)

将语音识别领域的MFCC方法通过修改能够对三维地震数据进行特征提取实现了语音识别方法在地震信号方面的运用(The MFCC method in the field of speech recognition can be modified to extract the features of 3D seismic data to realize the application of speech recognition method in seismic signal)