Hello! We know that hosts such as Ardour are able to control the parameters of LV2, LADSPA, VST, etc, plugins using MIDI CCs and possibly other automation control signals. Is there a (free, open source) plugin out there that allows for controlling the parameters of a plugin from another plugin? I realize that question's a bit nebulous. I'd like to, for example, have a plugin that exposes a MIDI input. When a NOTE ON is received on that input, it sets the value of a parameter in a different plugin to a given value, and when a corresponding NOTE OFF is received, it sets the value back to something else. Similar actions could be performed from audio signals too, with a bit of math. Ideally I'd like to set up a pile of plugins inside Carla and route control signals between them in various ways like this. Some plugins explicitly expose inputs that allow for control like this, but most don't. I've had a look for plugins that can achieve this kind of general control, but the search terms are so generic that it's a tough thing to search for. It may not even be possible. Anyone know of anything? -- Mark Raynsford | https://www.io7m.com
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