SoundMasker
Press play to start the sound
Binaural 40 Hz A soft start: brown noise, rain, a forest brook, and a few birds. Save it to keep your own version.

Pink noise 24

EqualizerLow to high

Binaural 40 Hz 56

A binaural beat around 40 hertz. Headphones only. A faster beat than alpha, still just two tones.