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What Is White Noise?
White noise is the noise created when all audible frequencies of sound are combined at the same time and the same density. It is similar in nature to white light, which occurs when all the colours of the spectrum are brought together. White noise incorporates over 20,000 frequencies.
White noise can be generated on a sound synthesizer. Sound designers can use this sound, with some processing and filtering, to create a multitude of effects such as wind, surf, space whooshes, and rumbles.
Also called white sound, white noise is used primarily as a sleep or relaxation aid. It is very useful in masking other noises and sounds white noise is typically used by those in loud city environments or with exceptionally noisy neighbours. Musicians use white noise in electronic music to simulate higher or lower percussion sounds than those available through traditional instruments.
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