https://www.techradar.com/audio/vib...the-future-of-your-hi-fi-room-or-home-theater
Because, well, because...
Because, well, because...
I messed around with a similar idea once, but keeping the phase and delay aligned across moving fabric is tricky—vibrations, flutter, and shifting nulls made it more frustrating than useful.
Old thread, but I would use it the other way around. It would be nice to reduce highway traffic noise when the windows in the apartment are open.