white noise

Acoustical or electrical noise of which the intensity is the same at all frequencies within a given band over time.

[From the analogy with white light.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

white noise

(General Physics)

a. sound or electrical noise that has a relatively wide continuous range of frequencies of uniform intensity

b. noise containing all frequencies rising in level by six decibels every octave

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

white′ noise′

random noise with a uniform frequency spectrum over a wide range of frequencies.

[1965–70]

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

white noise - a noise produced by a stimulus containing all of the audible frequencies of vibration; "white noise is a good masking agent"

interference, noise, disturbance - electrical or acoustic activity that can disturb communication

Translations

bílý šum

witte ruis

ruído branco

white noise

n (Radio, TV) → sibilo (per interferenza)

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

white noise

n ruido blanco

Mentioned in

References in periodicals archive

"We're no further forward than we were in 2016 and the white noise created by Brexit division is stopping us making important decisions about the future of the NHS, building homes for our young people and making sure there's decent social care for our older people.

Second referendum backed 'reluctantly' E&S BRIEFING

They call it white noise. When I am out there I pay no attention to the crowd and just move on with playing the game," ESPN Cricinfo quoted Smith as saying.

Smith makes his way through 'white noise' to score century

"Everything else is just white noise. We can only control our performances.

IGNORE 'NOISE'

"I suggested they try playing her some white noise on their phone and it worked like a miracle.

TIME FOR AN APP... DAD DESIGNS FIRST COT WITH A BUILT-IN IPAD

White noise is a random signal that has equal intensities across frequencies, making it seem ideal for masking or blocking out other noises, for example in the workplace or when trying to sleep.

The Dark Side of White Noise

Dutch firm Philips has gone still further with a soft headband called SmartSleep, which includes a white noise generator that aims to deepen sleep.

Germany electronics fair dreamland for 'sleep tech'

Alongside the cast, the team at White Noise assembled at SAE Liverpool to shoot some promotional footage in the campus' state-of-the-art Green Screen room.

CITY CENTRE

In their demonstration, they managed to issue unheard commands to smart devices like Google Home and Amazon Echo by hiding them in white noise. They were further able to do the same using audio files and even regular pre-recorded speech files.

Researchers show inaudible smart speaker commands can be hidden in audio files

You also may gain relief from "white noise": a constant, neutral sound that distracts you from the buzzing.

Relieving tinnitus symptoms

where x(n) is the Px1 state vector at time n; A(n-1) is the state transition matrix with dimensions P x P that relates current time n with past time (n-1); w(n) is the Px 1 input vector of the state equation and it is modeled as a white noise; y(n) is the M x 1 observation vector; H(n) is the channel distortion matrix of dimensions M x P; and v(n) is an M x 1 additive white noise vector [9].

Comparative Study between the Discrete-Frequency Kalman Filtering and the Discrete-Time Kalman Filtering with Application in Noise Reduction in Speech Signals

ENGLAND selector Angus Fraser has warned the squad to ignore the "white noise" surrounding Jonny Bairstow and Ben Stokes.

Fraser tells England stars: Ignore 'white noise' CRICKET