The lower octaves have more power, and the higher octaves have less power. Pink noise is generated to test loudspeakers in a room as well as to "tune" a room for best audio reproduction.

The phrases 'white noise', 'pink noise' and 'brown noise' sound like nonsense: how can noise have a colour? So, you may be surprised that rather than marketing buzz-phrases, they're actually ...

PINK NOISE Pink noise, like ocean waves or steady ... BROWN NOISE According to the Sound of Sleep website, brown noise, like a roaring river or heavy ocean surf, has a much higher base and ...