Hi Ricky,
something like this?
https://stash.reaper.fm/39353/pitch-gate-concept1.RPP
EDIT:
Description:
- Track 1 is synth playing 2 notes C3 an F4 and sends audio to Track 2 (not MIDI)
- Track 2 has ReaTune plugin to detect pitch and sends MIDI out (and audio) to next "processing tracks' (Track 3 & 4)
- Track 3 and 4 (processing tracks) receive audio and midi from Track 2.
- Track 3 has inserted "MIDI EQ Ducker" in Gate mode, on selected note, here C3 (48)
- Track 4 has inserted "MIDI EQ Ducker" in Gate mode, on selected note, here F4 (65)
- Tracks 3 & 4 are routed to Reverb track 5, their parent sends are disabled
- Volume and Pan of Track 3 & 4 are send levels/pans to reverb
- Track 5 is Reverb track (only 100% wet signal) receiving from processing tracks
You can add as many processing tracks as needed and set amount of reverb and pan independently for each of them.
(This is only proof of concept, can be done more efficiently if those JSFX would be modified to not eat incoming MIDI etc.)