This reminds me of an old Wired interview with Danny Hillis when he developed a system called Babble that used unintelligible vocal bits as background sound to help concentration, too bad it never really went anywhere.
https://www.wired.com/2005/06/applied-minds-think-remarkably...
Polychromatic acousto-optic modulation hasn't been used in laser shows for quite some time since RGB diode based laser systems came about. Granted, nothing beats a mixed gas ion laser and PCAOM for the beautiful colors you can get but these days nobody misses dragging around water hoses and sorting out 60 Amps of three phase power to run those old beasts.
Marshall, a company that makes miniature video cameras used in broadcast has a great USB camera that is UVC1.5 compliant, you can change lenses, it's not that big, and has great image quality.
There is an amazing alternate control software package for Stream Deck called Companion that allows for control of many AV products and really opens up the possibilities of what can be done with the SD:
https://bitfocus.io/companion/