pitch.m

来自「非常好的数字处理教程」· M 代码 · 共 9 行

function pitch_val = pitch(signal,Fs)

	% http://www.edgar-berdahl.com/Projects/Grundfrequenzanalyse/
	vals = xcorr(signal,'coef');
	vals(1:floor(length(vals)/2)) = [];
	vals

	plot(vals)