matlab自相关函数提取语音信号基频

Usetheautocorrelationfunctiononsegmentsofthesignal(windowsize:100ms)andcomputethefundamentalfrequency.Useamax_time_lagof100msintheautocorrelationfunctionandawindowshiftof25ms.Createafundamentalfrequencyvectorandplotyourpitchcontour.