SoundMasker
Press play to start the sound
Binaural 10 Hz A soft start: brown noise, rain, a forest brook, and a few birds. Save it to keep your own version.

Pink noise 0

EqualizerLow to high

Rain 16

Real rain recorded on quiet rural nights and on a tile roof. Played from random points with soft crossfades, so it never loops.

Binaural 10 Hz 60

A binaural beat in the alpha range, about 10 hertz. Use headphones. People often try it for quiet focus.