www.pudn.com > audioProcessingtoolbox.rar > buffer2.m

function out = buffer2(y, frameSize, overlap) 
% buffer2: Frame blocking 
%	Usage: out = buffer2(y, frameSize, overlap) 
%	This is almost the same as "buffer" except that there is no leading/trailing zeros 
 
%	Roger Jang, 20010908 
 
if nargin<3, overlap=0; end 
if nargin<2, frameSize=256; end 
 
y = y(:); 
step = frameSize-overlap; 
frameCount = floor((length(y)-overlap)/step); 
 
out = zeros(frameSize, frameCount); 
for i=1:frameCount, 
	startIndex = (i-1)*step+1; 
	out(:, i) = y(startIndex:(startIndex+frameSize-1)); 
end