Binaural Beats


In 1839, Prussian physicist Heinrich Wilhelm Dove discovered that illusory 'beats' are perceived when pure tones of slightly different frequency are separately and simultaneously presented to each ear. As an example, if a listener is presented with a 200Hz tone in one ear whilst simultaneously being presented with a 210Hz tone in the other, they will perceive a 10Hz tone. In people the audible range of frequencies is usually said to be 20 Hz to 20 kHz. Using binaural beats it is possible for people to perceive frequencies outside their range of hearing.

Binaural BeatsIn 1973 a paper titled 'Auditory Beats in the Brain' was published in the science magazine 'Scientific American' outlining the findings of Dr. Gerald Oster. In Gerald Oster's investigations his subjects would listen to binaural beats whilst their brainwaves where monitored, his findings proved that the frequency of his subjects brainwaves (brain operating frequency) would tend to resonate at the same frequency as the binaural beats, effectively inducing a change in their brain frequency and induce a variety of states of consciousness.

When the perceived beat frequency corresponds to the delta, theta, alpha, beta, or gamma range of brainwave frequencies, the brainwaves entrain to or move towards the beat frequency. This process is widely known as entrainment.

Binaural beats consist of pure sine waves of different frequencies simultaneously applied to each ear. Some people  find the sine waves unpleasant, in practice binaural beats are often mixed with a background noise, often pink noise. Other sounds are also used, for example running water, the sound of the sea.

This discovery lead to binaural beats being used as a method to aid to meditation, relaxation and self healing. With the listeners brainwaves following the frequency of the beats to the desired meditative state, mediation becomes much easier for the untrained person to achieve.

Binaural beats in the the Theta range are thought to aid learning. It has been suggested that listening to theta range beats whilst reading or otherwise studying could improve the effectiveness of the activity.

Today there are numerous resources and programs available, making the use of binaural beats available to everyone.

Brain Wave states.


Beta Waves 13hz to 40hz Awake focused mind
Alpha Waves 7hz to 13hz Awake but relaxed
Theta Waves 4hz and 7hz Day dreaming/meditation
Delta Waves 1.5hz to 4hz Deep sleep


The benefits of mediation range from improved learning ability through to spiritual enlightenment and can be hugely beneficial to your mind, body and soul.

Try our free  binaural beat sample recording, ‘basic short relaxation schedule’, starting with low 15Hz beta wave and slowly reducing down to a constant 7Hz Theta wave held for 12 minutes. Total running time 15 min 27 sec.

Note. As with all binaural beat recordings stereo headphones must be used .