The throaty roar of a big block thundering down a high way is to be admired - tho I prefer the more guttural growl of a Maserati. Where such a cacophony of noise and velocity is rather unwelcome is the more immediate where people live. At this point, your muscle becomes lunk. Imagine for a moment employing a device that gifts an appropriate measure of neighborly appreciation. Purely speculation, of course *sinister whisper* this time.
1. IF sound > x AND distance > y THEN destroy
2. IF sound > x AND distance < y THEN safety