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[–] LoveIsStill 0 points 1 point (+1|-0) ago 

What makes it "white" noise?

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[–] Potato_McGingerbeard 0 points 1 point (+1|-0) ago  (edited ago)

White noise has a flat power spectral density, which is to say that it has equal power at any frequency in any given frequency band.

The term white noise comes from the fact that it is analogous to white light, which is a combination of all frequencies or wavelengths in the visible light spectrum.

Sauce

Wiki

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[–] LoveIsStill 0 points 1 point (+1|-0) ago 

Oh? Interesting. Good explanation. Thanks, very much, indeed.