On Thursday 13 October 2005 22:47, Brett W. McCoy was like: > Here's on to get you started: > > http://www.hinton-instruments.co.uk/midi/midicode.html Thanks for that link. Hmm doesn't look like Graham is likely to be releasing AudioCalc as Open Source any time soon. Anyone know of any Free Audio Calculator code? A python plugin for gnumeric would probably do the trick? -- cheers, tim hall http://glastonburymusic.org.uk/tim