Okay, one more try. The old orchestras were definitely wrong because I was using the noise generator wrongly. This one seems to work for values of kh between 0.5 and 1.0, which isn't what I remember, but I can't find anything wrong so let's say it's right. Graham Send bugs reports to this list. To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe csound"