pink noise

[ pingk-noiz ]

  1. a noise signal related to white noise but lacking uniformity, having less power at higher frequencies and more power at lower frequencies; a gentle, steady background sound, like lapping waves or windblown leaves, that filters out distracting or sleep-disturbing noises: higher in pitch than brown noise.

Origin of pink noise

First recorded in 1960–65

Words Nearby pink noise Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for pink noise

pink noise

  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