Utilizing Sound Frequencies To Enhance The Healing Experience by Leigh Spusta - July 7th, 2006 When considering sound as a medium for producing trance, relaxation, and enhancing the healing process 1. Binaural Beat Stimulation - technology. 2. Heterodyne Beat Stimulation - 3. Resonant Frequency Stimulation (Sympathetic Resonance) - 4. Vibro-acoustic Stimulation - Vibro-acoustic energy is, as one would imagine, quite tactile, or kinesthetic. This approach can be used with either stereo sytems wit