(one through each ear)

A binaural beat is an auditory illusion perceived when two different pure-tone sine waves are presented to a listener dichotically (one through each ear). For example, if a 530 Hz pure tone is presented to a subject’s right ear, while a 520 Hz pure tone is presented to the subject’s left ear, the listener will perceive the auditory illusion of a third tone, in addition to the two pure-tones presented to each ear.

The third sound is called a binaural beat, and in this example would have a perceived pitch correlating to a frequency of 10 Hz, that being the difference between the 530 Hz and 520 Hz pure tones presented to each ear.

 

 

//commons.wikimedia.org/wiki/File:Binaural_beat_lossless_new.wav?embedplayer=yes


beats

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