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> Be careful with the terminology here -- MIDI CCs aren't being used at all

quoted text
> with this kind of plugin automation. Ardour is sending values to the LV2

> control ports on the synth plugin, without using MIDI at all. That's why the

> same technique works for automating parameters on effects plugins that have

> no MIDI ports (in both Ardour 3 and Ardour 2).

Yep - well aware of this sire
>

quoted text
> Ardour 3 will support MIDI CC automation, too, and that will be very handy

> for external synths, but for plugins, I think plugin automation is the way

> to go.

>

> That said, I'm not sure why you're having trouble with this -- it definitely

> should work. I know Paul Davis mentioned some issues with automation in the

> alpha 8 release notes, so that may be related. Hopefully you'll have more

> luck with the next alpha.

>

> If you want to make sure your automation value are actually being applied,

> you can check visually by leaving the plugin UI open while you play your

> track. You should see the parameter value change as the track plays; in this

> case, you'd see the Cutoff knob turning itself.

If I leave the plugin window open (natty, calf plugins from repo,

alpha5) I do indeed see the cutoff moving as desired. I have the

resonance turned right up but still I cannot hear any noticeable

change in the sound. However, if I move the cutoff slider manually

during playback it works as expected. Hmmm!
Paul's big natch for alpha 8 was noting that MIDI CC (yes, I know, but

undoubtedly this is closely linked) is still quite borked so maybe

this will work as expected come alpha9?
D.

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