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The big three in sleep sounds are white noise, brown noise, and pink noise, but there are many other noise types, including purple noise, gray noise, and even black noise (a.k.a. good ol ...
Grey noise spectrum The result is that grey noise contains all frequencies with equal loudness , as opposed to white noise , which contains all frequencies with equal energy . The difference between the two is the result of psychoacoustics , more specifically the fact that the human hearing is more sensitive to some frequencies than others.
Background noise, in acoustics, any sound other than the monitored one; Comfort noise, used in telecommunications to fill silent gaps; Grey noise, random noise with a psychoacoustic adjusted spectrum; Industrial noise, relevant to hearing damage and industrial hygiene; Noise pollution, that affects negatively the quality of life
Noise that has a frequency spectrum of predominantly zero power level over all frequencies except for a few narrow bands or spikes. Note: An example of black noise in a facsimile transmission system is the spectrum that might be obtained when scanning a black area in which there are a few random white spots. Thus, in the time domain, a few ...
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That is, if the sound wave pattern of "blue noise" were translated into light waves, the resulting light would be blue, and so on. Can we get a reference on that? Brown noise, for instance, was not named for the color, and the colors listed do not actually correspond with the actual color spectrum. — Omegatron 04:37, 4 December 2006 (UTC)
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