Mindmovers' self-hypnosis and subliminal tapes. The generator programs were created by a hypnotherapist, and a music designer and composer. The binaural beat generator creates stereo sound with the left and right sides operating at different frequencies. The 515 is tailored to create different levels of awareness and brain wave states. BETA STATE:   13-30HZ Alert Awareness ALPHA STATE:   8-12HZ Relaxed Wakefulness THETA STATE:   3-7HZ Visual Creativity DELTA STATE:   1-2HZ Restful Sleep Selections can range from creating a state of increased energy and alertness to a state of restful sleep. The photosonix 515 dual binural beat generator in concert with the appropriate musical composition and powerful subliminal messages make Mindmovers' tapes professionals' choice three to one over any other self hypnosis or subliminal tape on the market. Our engineer, under the guidence of experts in altered states of consciousness, will create the appropriate brain wave pattern to help you make the subconscious changes you desire.