- 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.
- Physics. random noise with a uniform frequency spectrum over a wide range of frequencies.
Origin of white noise
Examples from the Web for white noise
Historical Examples of white noise
The voice emerged from that white-noise roar of water humming and sloshing back and forth in her basket.
The rush of water echoed off the cave walls, a white-noise shushing that sounded like skis cutting through powder.
- sound or electrical noise that has a relatively wide continuous range of frequencies of uniform intensity
- noise containing all frequencies rising in level by six decibels every octave
Word Origin and History for white noise
"sound made up of a random mixture of frequencies and intensities," attested by 1970.