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What is Noise Control?

What is Noise Control?
A simple definition of "noise control" is the reduction or mitigation of unwanted sound. Sound is a physical phenomenon; more specifically, sound is pressure fluctuations in the atmosphere (or any fluid). Noise is unwanted sound, which relies on someone's perception of sound. A good way to remember the difference is to think of the age-old question, "if a tree falls in the woods, does it make a sound?" The answer is yes, it does make a sound; however, it may not make noise, depending on whether someone is there to hear it and be bothered by it.

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