These files are QuickBasic files that are designed to do fast frequency analysis (but not real FFT) for use in video synthesis --> ie. audio driven kaleidescopes, etc... etc... if you have any feedback on these, or have some idea on how to make them faster or more accurate... >>> SHANNON LARRATT. voice:(416)488-4028, fax:(416)440-2661 e-mail: shannon@io.org