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 ...

And hopefully heal what ails them. Tersa The cocoon shape is built like an ergonomic cradle. Sava was developed so your body feels vibrations and bass via 10 transducers positioned underneath your ...