Do sounds have colors?
Robert Clark
Published Jan 20, 2026
Many of the sounds we associate with white noise are actually pink noise, or brown, or green, or blue. In audio engineering, there's a whole rainbow of noise colors , each with its own unique properties, that are used to produce music, help relaxation, and describe natural rhythms like the human heartbeat.
noise colors
In audio engineering, electronics, physics, and many other fields, the color of noise or noise spectrum refers to the power spectrum of a noise signal (a signal produced by a stochastic process). Different colors of noise have significantly different properties.
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