Binaural beat induced theta EEG activity and hypno... [Am J Clin Hypn. 2003] - PubMed result. Binaural beats. Binaural beats To experience the binaural beats perception, it is best to listen to this file with headphones on moderate to weak volume – the sound should be easily heard, but not loud. Note that the sound appears to pulsate.
Now remove one earphone. Note that the pulsations disappear completely. The brain produces a phenomenon resulting in low-frequency pulsations in the amplitude and sound localization of a perceived sound when two tones at slightly different frequencies are presented separately, one to each of a subject's ears, using stereo headphones.
Binaural beats reportedly influence the brain in more subtle ways through the entrainment of brainwaves[3][8][9] and provide other health benefits such as control over pain.[10][11] Acoustical background[edit] Interaural time differences (ITD) of binaural beats For sound localization, the human auditory system analyses interaural time differences between both ears inside small frequency ranges, called critical bands. History[edit] SBaGen -- Binaural Beat Brain Wave Experimenter's Lab. Intro | Mailing lists | Downloads | FAQ | TODO Intro Welcome to the world of Binaural Beats! The theory behind binaural beats is that if you apply slightly different frequency sine waves to each ear, a beating affect is created in the brain itself, due to the brain's internal wiring.
If, in the presence of these tones, you relax and let your mind go, your mind will naturally synchronize with the beat frequency. In this way it is possible to tune the frequency of your brain waves to particular frequencies that you have selected, using of the four bands: Delta: deep sleep, Theta: dreaming and intuitive stuff, Alpha: awake, focussed inside, and Beta: awake, focussed outside. Here is a table from Calleman on how brain-wave frequencies relate to Earth layer boundary resonant frequencies: I should add that I have only read about the more advanced and unusual uses (OOBEs and so on).
Downloads Available to download are: Full documentation, plus a ChangeLog, FAQ and TODO list. Additional information: Gnaural: A Binaural-Beat Audio Generator.