random white noise

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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

• white noise — White, random or background noise caused, in aircraft propulsion, by the reaction of each blade to the flow of air over its surface. The noise is from the eddy shedding in the blade’s wake, reacting back on the blade, and carrying random… …   Aviation dictionary

• 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… …   The Collaborative International Dictionary of 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 — sound made up of a random mixture of frequencies and intensities, attested by 1970 …   Etymology dictionary

• white noise — noun a noise produced by a stimulus containing all of the audible frequencies of vibration white noise is a good masking agent • Hypernyms: ↑noise, ↑interference, ↑disturbance * * * noun Etymology: so called from the analogy of its composition to …   Useful english dictionary

• white noise — 1. Also called white sound. a steady, unvarying, unobtrusive sound, as an electronically produced drone or the sound of rain, used to mask or obliterate unwanted sounds. 2. Physics. random noise with a uniform frequency spectrum over a wide range …   Universalium

• White noise machine — UseThey are often used to protect privacy by masking distant conversations, say in a psychiatrist s waiting room, and are also sold as sleep aids. Such machines often can produce other soothing sounds, such as rain, wind, and ocean waves. They… …   Wikipedia

• white noise — noun a) A random signal (or process) with a flat power spectral density; a signal with a power spectral density that has equal power in any band, at any centre frequency, having a given bandwidth. Conventional statistica …   Wiktionary

• white — /waɪt / (say wuyt) adjective (whiter, whitest) 1. of the colour of pure snow, reflecting all or nearly all the rays of sunlight (see def. 25 below). 2. light or comparatively light in colour. 3. lacking colour; transparent. 4. having a light… …  

• Noise (music) — Noise music Stylistic origins Modernism 20th century classical music Electronic art music Musique concrète Electroacoustic music Performance art Free improvisation Cultural origins Early 1910s Europe Typical instruments …   Wikipedia