White noise

White noise
White noise White noise, n. a mixture or random noise sounds extending over the entire audible frequency spectrum with approximately equal intensity at all frequencies. It is used in certain experiments, as in psychology, to prevent subjects from hearing meaningful sounds. [PJC]

The Collaborative International Dictionary of English. 2000.

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  • White noise — is a random signal (or process) with a flat power spectral density. In other words, the signal contains equal power within a fixed bandwidth at any center frequency. White noise draws its name from white light in which the power spectral density… …   Wikipedia

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  • white noise — n a heterogeneous mixture of sound waves extending over a wide frequency range that has been used to mask out unwanted noise interfering with sleep called also white sound …   Medical dictionary

  • white noise — n [U] noise coming from a radio or television which is turned on but not ↑tuned to any programme …   Dictionary of contemporary English

  • white noise — noun uncount the unpleasant noise made by a radio or television when it is not receiving the correct signal …   Usage of the words and phrases in modern English

  • white noise — white′ noise′ n. phs random noise with a uniform frequency spectrum over a wide range of frequencies • Etymology: 1965–70 …   From formal English to slang

  • white noise — ► NOUN Physics ▪ noise containing many frequencies with equal intensities …   English terms dictionary

  • white noise — n. [by analogy with WHITE LIGHT] a sound containing a blend of all the audible frequencies distributed equally over the range of the frequency band …   English World dictionary

  • White Noise — White Noise,   weißes Rauschen …   Universal-Lexikon

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