Solved By Your Bright Bells!

DIY CHEAP SIMPLE NOISE ATTENUATION (Earstops) BETTER THAN NRR34 FOR SPEECH PLUS HOW TO USE AR TO CONTROL SOUND Much Cheaper Than Wall Insulation, More Portable Too..

"The Truth Abounds in Silence" Why I Believe Audio AR, Not Video May Mostly Have The Most Social Value With Time **************   ...