[sdiy] Percussion MIDI controller - again

[Paul Perry]

The idea of a triggered one-shot holding the input off for a certain time 
should overcome the reflection problem, but you might also beat the 
reflections in two other ways:

1. if it is the air column in the pipe vibratign, stuff it with speaker 
padding (or a towel!) the tighter the better.

2. if it is off the ends of the tube itself, you can cut a diagonal slice 
off each end (as long  a slice as possible, say a foot long) so that
the 'end' of the tube is spread over a length, which causes the 
resonance to be dulled out. (you are giving the tube a lower Q!)

This problem is a nice mix of physical & electronic ;-)

paul perry Melbourne Australia