使用自相关函数来检测混合信号中的周期信号-Use the autocorrelation function to detect a periodic signal mixed signals

分别将一帧清音信号与一帧浊音信号进行自相关，并比较结果，以作检测基音周期。-Respectively an unvoiced voiced signal and a signal autocorrelation, and compare the results to detect pitch for.