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brown noise
or Brown noise
[ broun noiz ]
noun
, Physics.
- a noise signal related to white noise but specifically produced by Brownian motion; a deep, roaring or rumbling sound, like thunder or a heavy downpour, that is lower in pitch than pink noise: sometimes used for promoting sleep and/or relieving symptoms of tinnitus.
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Word History and Origins
Origin of brown noise1
First recorded in 1985–90
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