White noise consists of a mixture of all audible frequencies of sound at equal energy levels, similar to how white light consists of all colors in the spectrum.

“it's a mixture of all frequencies of sound oh wow all all at once all audible frequencies of sound”

Low-intensity white noise can enhance learning in adults by modulating brain chemistry and increasing dopamine levels.

“it does appear that turning on white noise at a low level, but not too loud, can allow you to learn better because of the ways that it's modulating your brain chemistry.”