Hello Iain,
IainStinson wrote:Could you consider providing a separate control to turn the audio function of the "engine" on/off which could be assigned to a midi input? I'm not sure why the two controls (midi and audio) are linked (there is probably a good reason but its not obvious).
Implementing the ability in Hauptwerk to start/stop audio separately from MIDI whilst an organ is loaded would actually be a very major internal redesign, so not something that I think we'd really be able to undertake for such an uncommon requirement, I'm afraid.
IainStinson wrote:I want to be able to silence the organ (including blower sounds) with a common control across sample set and save a bit of energy (as my amps will automatically go to sleep if there is no input). I know I could turn volume down to achieve the same effect, but it would be nice if I could do it with a single button (and not lose the volume setting)
I'd suggest just using two MIDI pistons, both sending MIDI CC messages on the same MIDI port, MIDI channel and MIDI controller number, one (which you would use to un-mute the audio) sending CC value=127, and the other (which you would use to mute it) CC value=0. You could then auto-detect them together to Hauptwerk's master volume slider.
Best regards, Martin.
Hauptwerk software designer/developer, Milan Digital Audio.