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pink noise

noun
1.
a random signal within the audible frequency range whose amplitude decreases as frequency increases, maintaining constant audio power per frequency increment.
Origin
1960-1965
1960-65
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for pink noise
  • Sometimes also called pink noise, this music has some correlation, but less than brown music and more than white noise.
  • After pulsing the battery with pink noise, the team runs algorithms to calculate an impedance profile.
  • pink noise contains less energy in the higher audio frequencies than in the lower ones.
  • The court may also mute audio and generate pink noise in the jury box to obscure audio during sidebars.
British Dictionary definitions for pink noise

pink noise

noun
1.
noise containing a mixture of frequencies, but excluding higher frequencies
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Contemporary definitions for pink noise
noun

random white noise that has been adjusted so there is equal energy per octave

Dictionary.com's 21st Century Lexicon
Copyright © 2003-2014 Dictionary.com, LLC
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