Drum Trigger Signals

[Paul Perry]

At 10:22 PM 2/09/99 -0400,Byron thescum at surfree wrote:

>With a Twin-T circuit like the 808, the circuit is sensitive to state
>changes on the input.  You can drive them from a square-wave LFO, and
>they'll trigger (really just a ringing filter) on every transition:
>either on or off.>
>It's more common to drive them from narrow pulses.  The circuit will
>resonat on the rising edge, and the falling edge occurs before the
>original drum sound is over, so it doesn't retrigger.
>
Is this really true?
Surely the falling edge of the pulse must create a decaying resonant 
wavetrain, which might interfere constructively or destructively with the 
first resonant burst.

paul perry melbourne australia