There is no dynamic automation in AA 1.5 (one of the items on the perennial wish list, it did, I think show up in AA 2 (which I never used) and AA 3)
One can manually set amplitude envelops but you can not save, copy & paste, envelops so if you have more then a couple of files this gets tedious.
Prior to AA 3 Audition was primarily an editor, with some multitrack capability rather then a full fledged tracking/mixing environment
I know we struggled with this stuff for years and there might have been a work around . . . I know output from a bus was only to hardware (not to another track), there was no way to create a 'master track' whose volume could be controlled via envelops (idea being route all tracks whose volume you wanted to drop at the same moment to a bus (or master track) then manually adjust that tracks envelop (there were individuals who explored using
virtual audio cable (as bus output) but can't remember how successful they were)
One could of course mix all the tracks having the volume drop at the same point and adjust volume on the mix (in edit mode) or insert that back into the multitrack and adjust with envelope
Was trying to remember if there was a dynamic Fx that might get you in the ball park . . . Had to be dynamic to have an Fx envelope . . . But even there the FX or Wet/dry mix envelop was editable only on individual tracks
With a large number of files (if the volume reduction occurs at the same time (from start) in each file) you can create a script and batch process the rest of the files (this is destructive edit and you want to work from copies of the files)
