Description: 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.
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jiyinzhouqi\find_maxn.m
...........\jiyinzhouqi.m
...........\test2(228hz).wav
...........\test3(350hz).wav
...........\test4(308hz).wav
jiyinzhouqi
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