Well, why not just add active noise cancellation tech to kill those rattles?
I'll send you a PM.
I just spoke with another engineer about it, these can create recognizable melodies but cannot offer the fidelity we enjoy otherwise. Other iterations seems to involve HT installation where you actually couple to the drywall from inside the wall.... yikes!
Lol the future of the snake oil cable industry - acoustic gypsum board! "So do you like the 1/2" or the 9/16"?"