说明：  利用短时自相关分析的方法先求得基音周期，同时画出此时的基音周期走势图；然后对超出基音周期均值的1/5的基音周期点进行去除，再利用中值平滑方法剔除野点，同时对剔除野点后的基音周期点进行绘图，同时求得平均的基音周期。文件中附带实验语音，可验证。
(By using the method of short time autocorrelation analysis first pitch is obtained, at the same time draw the pitch at this time of the graph Then the pitch is beyond the average removal of pitch point 1/5, reusing the median smoothing method to eliminate outliers, at the same time to eliminate outliers of pitch point after drawing, and calculated the average pitch period.File attached experimental phonetics, can test and verify.)