Guenter Geiger <geiger@xdv.org> with the help of many people, pd Miller Puckette <mpuckett@man104-1.ucsd.edu> piperead and pipewrite d13 <d13@sil.at> sfplay Winfried Ritsch <ritsch@iem.kug.ac.at> mixer and others opt@test.at suggestions and testing klaus@xdv.org vbap Ville Pulkki filters math Robert Bristow-Johnson and several others which I may have forgotten to mention, please notify me if you feel you should be included.