3

load('adsl_x.mat');



for i=545:2049

   prefix=x(i-544:i-512);

   frame=x(i-32:i);

   z(i)=max(abs(xcorr(prefix,frame,'coeff')));

end


plot(z);

k=1;


for i=1:length(z)

   if(z(i)>0.96) wyn(k)=i-544;

       k=k+1;

   end

end


wyn