On Sun, May 03, 2009 at 05:05:07PM -0400, Bill Allen wrote:
> OK, I know this is a 3rd level niche question, but if anybody has a clue it
> would be helpful.
>
> I can bind the expression pedal to any of the sliders in jack-rack. For
> example, I bind one of the expression pedals which is set to send midi CC 27
> events to the Cutoff Frequency slider of the Glame Butterworth X-over Filter
> and I've got a wah-wah pedal.
>
> This is great, but the other thing that I want to be able to do is bind some
> of the footswitches to the Enable button for this and other jack-rack
> filters. This would be very useful in a live situation to be able to punch
> filters out and into the chain. It sounds like it ought to be easy, but I've
> been knocking my head over it. I have set two footswitches to send CC-26 1
> and CC-26 0 respectively. Then in jack-rack I bind the Enable button to MIDI
> Controller 26 Min Value 0, Max Value 1. The good news is that when I hit the
> CC 26 0 switch, if the enable switch for the filter is active, it goes off.
> Half the battle won. But, I can't get the filter enable to go on with
> anything I've tried. Using PD I've verified that the pedal is sending the CC
> 26 1, but still no joy.
>
> Any clues or helpful hints?
>
You also need a recent version of jack-rack. Binding to Enable/Disable didn't work for me, so I had to upgrade to 1.4.7-0ubuntu1 and all worked well from there. Also, "off" is value < 64, and "on" is value > 64, so you need to set your controller to do that.
-ken
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Received on Tue May 5 08:15:02 2009
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