% fig4b
% Figure 4(b) of "Cancellation model of pitch perception" (JASA 97)

global sr;
sr = 10000;
level = 90;			% dB
nchan = 40;			% number of BM channels
flo = 100;			% Hz - lowest BM channel frequency (fhi = sr/2)
range = 0.0075; 	% s	- range for ACF
windowsize = 0.01;	% s	- window size for ACF

y = synth_complex1;

% scale
level = level - 30;	% 30 dB corresponds to RMS=1 in M&H's model.
y = rms(y, fromdB(level));

yy = bm_haircell(y, nchan, flo);
yyy = rdf2(yy, range*sr, windowsize*sr);
plot1(sum(yyy));

set(get(gca, 'title'), 'String',...
	'"Cancellation model of pitch perception" - Fig. 4b');