can anybody tell me how can i acess individual location of locs for further use

the matlab code till now is as

[pks,locs] = findpeaks(x1,'MINPEAKDISTANCE',33,'MINPEAKHEIGHT',0.12);
 n = length (x1);      
t1 = [0:n-1]/fs;   
 figure(9)
 plot(t1,x1); hold on;
plot(t1(locs),pks,'k^','markerfacecolor',[1 0 0]);
hold on;
find(x1==0)

Answer 1

[Matt J]

Don't you just mean

 locs(1), 
 locs(2), 
 locs(3),

etc... ?