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Another physics lesson?

Posted by Stephen on January 30th, 2001 01:26 PM
In reply to Soundproof Fencing? by Candy Forbes on January 30th, 2001 11:28 AM [Go to top of thread]

Candy -

Sadly, most of the noisy things you are bombarded by on a daily basis act like a "point source" of sound. This is to say that sound eminates from those objects (sources) radially, in all directions. Noises made by cars tends to send waves out in a 3-d sphere of sound. Sound also bounces off of things, namely trees and walls and such, but can also bounce off of air under certain conditions. And finally, bass tones (like when the neighbor's teenage son is home)can be transmitted quite easily by vibrating solids (like the ground, or your living room windows). What this means is that, unless you plan on building an insulated bubble around your yard, you won't be able to eliminate sound from your yard. To help reduce those noises you can build a wall, but how how are you willing to go? Twenty feet or so should do suggestion I have would be to consider trees or very tall shrubbery...these can help "absorb" some of the sounds that are bothering. Unfortunately, you won't be able to make it all go away -- and in fact, you may find out that even the wall and shrubs don't quiet things down enough for you. Now then, if you're looking to keep the noises out of your house, that's a different story...

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