What are binaural beats?        The sensation of auditory binaural beats occurs when two coherent sounds of nearly similar frequencies are presented one to each ear with stereo headphones or speakers. Binaural beats have been known about for many years. In fact the German experimenter H.W. Dove is credited with having discovering the principle way back in 1839.  He found that playing two coherent sounds of similar frequencies into each ear (using stereo headphones) could be made to produce a third  “Binaural Beat” at the desired frequency. For example, if a frequency of 100 Hz is played in one ear […]