Lorelei 3000. This 100% digital subliminal message decoder provides precesion speed and clarity of subliminal messages. The inventor himself is an accomplished hypnotherapist and psychotherapist and has been working on advanced technology to empower individuals. Click on Dual Binaural Beat Generator for a discription of the Photosonix 515 and learn why we selected this additional technology for our tapes. The many years of electrical and sound system experience of our engineering consultant, Joseph Gerard, has made both the mixing and duplication process as close to perfect as possible.