音频PSNR计算，双声道、512个采样点一帧，可自己修改 -audio PSNR caculation\double channel\512 samples per frame\change as your convience

在语音信号处理中，来完成对语音信号的分帧处理，这里的帧长可以自己更改-In speech signal processing, to complete the speech signal processing, the length of the frame can change their own

改程序主要功能：完成对采集到的语音信号进行分帧处理-Change program main function: complete to frame the speech signals were collected