7.83 Hz is the main resonance of the space between the Earth's surface and the upper atmosphere, measured by physicist W. O. Schumann. It's far too low to hear, so we play it as a binaural beat: two tones 7.83 Hz apart, one in each ear.
traditionally linked with
how listeners use it
Frequency music is for relaxing, focusing and enjoying sound. The meanings above come from tradition and from how listeners describe it. They are not medical claims, and the music does not replace care from a doctor or therapist.