Hx stomp midi sidechain

[Fleutiaux]

Hi.

I would like to une the midi in of my hx stomp to trigger a Compressor .
for exemple:
 

kickdrum with a trigger => midi In => to compress my signal with each drum kick hit.
 

Is that possible with This unit ?

 

[rd2rk]

If your MIDI "trigger" is a CC with a variable value between 0-127 (like using an expression pedal), then you might be able to assign it to whatever the required parameter of the compressor you're using is called (I'm not a compression expert). If the trigger is just an ON/OFF CC toggle then you can try setting MIN/MAX Values for that parameter. Combined with Attack/Release settings that might do it.

 

Worth a try.

[phil_m]

I don’t really see anyway that would work. I’ve not really heard sidechaining with MIDI in this way. Sidechaining is using the response from one audio source to affect the other, and with compression, the gain reduction is the thing that you’re applying to the source. Since there’s no parameter associated with gain reduction, there’s no way to have it triggered via MIDI. I don’t think tying other parameters to a drum kick would do what you want as the compressor would lag behind the drum hit.

[rd2rk]

So, the answer to the OP's question (which I took a wild swing at) is NO. Yes?

[rd2rk]

Just for kicks, I tried this. I put a Red Squeeze (with Sensitivity MIN/MAX set to 7.5/2.5) after a 2204 and sent it a momentary toggling CC from my FCB like a kick.

Sounds like it's doing what OP asked, and the lag is not (to my ears) detectable.

I also tried it with the FCB's Exp Pedal, same settings, and that seemed to work too.

Maybe I don't really understand side-chaining a compressor?

[aro0815]

One way to do this is with Ableton which also means you need a laptop on stage. In Ableton you can create empty MIDI clips (no notes) and draw CC envelopes. This allows you to draw smooth curves which then control the parameter on your Helix device. I use the volume block to emulate the sidechain effect, but you can also use a compressor or even one of the filters to achieve different results.

 

You can then either just let the clip loop forever (in clip view) which of course only works when you are playing to a click/backing track. But clip view also enables you to toggle clips with no quantisation. There are again different ways to trigger the clip which sends out the envelope. One way is to use this plugin:

 

https://www.youtube.com/watch?v=mpS_iN8TjJo

 

If you use this you can trigger the clip with the incoming note from your drummers kick drum trigger.

 

I know this is a lot more complicated but without an envelope you won't get there.

[haasamps]

Morningstar MIDI controllers have an LFO you can assign to a CC that should make this fairly quick work. I think you would use a sawtooth wave.