This auditory illusion is called a binaural beat. For example, if a person hears a tone of 405 Hz in one ear and a tone of 415 Hz in the other, they would be hearing a binaural beat with a ...

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Relaxing Music for Headaches: Binaural Beats Migraine Cure, Healing Song, Deep Relaxation Music 802 Relaxriver provides you music for relaxation, study and meditation. We are a collective of ...