对采样过后的语音信号进行分帧处理，并将分帧后的信号存储为一个矩阵-right after sampling the voice signal processing sub-frame and sub-frame of a signal to the storage matrix

语音信号处理中用于说话认识别中预处理部分的分帧函数代码-Speech signal processing for speech understanding in other parts of the sub-frame in the pre-function code