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Environmental Health Engineering Theory and Practice/Noise
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NoiseNoise is unwanted sound judged to be unpleasant, loud or disruptive to hearing. From a physics standpoint, noise is indistinguishable from sound, as both are vibrations through a medium, such as air or water. The difference arises when the brain receives and perceives a sound.
Useful Off-site Resources
United States Centers for Disease Control: National Institute of Occupational Safety and Health (NIOSH): Noise and Hearing Loss Prevention