3, the voice feature extraction and classification First, to be recognized voice into electrical signals input recognition system, after pretreatment with a mathematical method to extract speech characteristic signal extracted speech characteristic signal can be seen as the voice segment model.

案例1 BP神经网络的数据分类-语音特征信号分类\BP.m
...........................................\BPDLX.m
...........................................\data1.mat
...........................................\data2.mat
...........................................\data3.mat
...........................................\data4.mat
案例1 BP神经网络的数据分类-语音特征信号分类

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