Sorry to bother again >.< Anyone can help me with the calculations on the vorbis ? For example the input in Windows function is X1,...,Xn and the output is Y1,...,Yn. Please five me the real number & the process. I need the example on these phases : -Windowing -MDCT -Psychoacoustic model -Residue's Calculation -Channel coupling Thanks for your attention :) __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com