[PD] audio less than or equal, greater than.. cross threshold?

[Andy Farnell]

This sounds like a case where [threshold~] would be exactly what you want.
It is block based, but for triggering drums it might be accurate enough
(play with blocksize).



On Sat, 23 Jun 2007 14:24:36 -0700
Alex <x37v.alex at gmail.com> wrote:

> I want to trigger an event when an incoming audio signal (which i know
> is a ramp between 0 and 1), crosses some threshold.
> 
> basically i want something like
> 
> [adc~]
> |
> [last sample <= x && cur sample >x]
> |
> [a drum or something is triggered]
> 
> any ideas how i can do that?  I don't see how I'd do it with just the
> built in objects.
> I realize that the bang will probably only happen at control rate..
> 
> I have another app creating this ramp, and I want to be able to sync
> to it in pd [probably just to trigger drum samples]
> 
> -Alex
> 
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