This is what happens when I run mirautocor: >> corr = mirautocor(miraud) Computing mirautocor related to audio... Error using .* Matrix dimensions must agree. Error in mirautocor>main (line 355) sl = sl.* kw; Error in mirfunction (line 193) o = main(orig,during,after); Error in mirautocor (line 179) varargout = mirfunction(@mirautocor,orig,varargin,nargout,specif,@init,@main); Is this a known bug? -- Reid Oda Ph.D. Candidate Princeton University 858-349-2037 http://www.cs.princeton.edu/~roda