Ravi K. Puri on What is reality?
About Meditation & Altered states of consciousness
Understanding binaural beats and what they do: Say a frequency of 100 Hz is put in one ear and 104 Hz in another, the brain compensates by creating a third frequency which is the difference between the two of 4 Hz. 4 – 7 Hz – are Theta waves that are associated with dreaming state, REM sleep also deep meditation.
Binaural beats are sounds generated to alter your brainwaves. By altering your brainwave frequency you may be able to experience an altered state of consciousness. Which state you achieve depends upon the frequency of binaural beats used. Binaural beats is only a tool we can use for meditation and altered states. Continued