Inverse volume automation

[Ztm-productions]

Hi
I'm currently using pro tools 12 to mix in quad using aux send.

I've set volume automation for a drone in the rear two speakers
and wondered if there was a way to have an apposing automation for the front two speakers without just drawing it in.

this way i could have it sound like its modulating back and forth

Cheers
Zane

[joachim]

You may vote for this, a great idea, but 6 years old : http://protools.ideascale.com/a/dtd/...ing/29952-3779
Flipping and scaling of automation.
I doubt, it will ever be realised.