Soundproofing is any means of reducing the intensity of sound with respect to a specified source and receptor. There are several basic approaches to reducing sound: increasing the distance between source and receiver, using noise barriers to block or absorb the energy of the sound waves, using damping structures such as sound baffles, or using active antinoise sound generators.
Soundproofing affects sound in two different ways: noise reduction and noise absorption. Noise reduction simply blocks the passage of sound waves through the use of distance and intervening objects in the sound path. Noise absorption operates by transforming the sound wave. Noise absorption involves suppressing echoes, reverberation, resonance and reflection. The damping characteristics of the materials it is made out of are important in noise absorption. The wetness or moisture level in a medium can also reflect sound waves, significantly reducing and distorting the sound traveling through it, making moisture an important factor in soundproofing.
The use of distance to dissipate sound is straightforward. The energy density of sound waves decreases as they spread out, so that increasing the distance between the receiver and source results in a progressively lesser intensity of sound at the receiver. In a normal three dimensional setting, the intensity of sound waves will be attenuated according to the inverse square of the distance from the source. Using mass to absorb sound is also quite straightforward, with part of the sound energy being used to vibrate the mass of the intervening object, rather than being transmitted. When this mass consists of air the extra dissipation on top of the distance effect is only significant for typically more than 1000 meters, depending also on the weather and reflections from the soil.
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Reference: Wikipedia
How To Sound Proof
If you live in a noisy city or a loud environment, you may be interested in sound proofing your home or office. There are many different ways of sound proofing your home or office. One inexpensive method of sound proofing is through the use of sound proof paint. If you would like more information about sound proof paint, please read on.
An innovative sound proof paint you may be interested in is called acousti-coat. This sound proofing paint was created from technology developed by NASA. It is latex and water based. It contains within it hollow ceramic microspheres, resin, and sound absorbing fillers. The combination of ingredients allows this sound proofing paint to reduce noise by 30 percent.
Not only does acousti-coat provide excellent sound proofing, but it also acts as a heat insulator. There are many other benefits as well. For one, the paint has a small textured surface that can help hide any surface defects on your walls such as: dents, dings, abrasions, etc. It is also non toxic and friendly for the environment. If you are clumsy and you spill it, you can clean it up easily with soap and water!
Acousti-coat sound proofing paint can be applied directly over your existing paint. It can also be painted over or you can add light pastel colors to the paint. It is very fast drying and it can be applied with roll on brushes or spray guns. The price runs about $31.75 a gallon or $158.75 for a 5 gallon drum. Each gallon will cover about 100 to 150 square feet.
This is all of the important information you need to know about acousti-coat sound proofing paint. There are so many advantageous that are hard to ignore. Whatever your reasons may be for sound proofing, you are sure to be happy with the results. You can then be in a peaceful, quiet environment.
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