Aura uses a small base to create a magnetic field and magnetic sensors attached to the player's hands with specially-designed gloves
Artists can get a bit more creative by closing their fingers to muffle or twisting their hands to distort the sound
Pitch is controlled by raising and lowering the hands, while the volume can be cranked up by spreading the hands apart
Some take their air guitar playing more seriously than others, but even for those exerting the most energy, those perfectly struck imaginary chords are heard by nobody's ears except their own. Aura, an electronic instrument that translates hand gestures into music, could be just what these highly animated faux musicians need to get a little more reward for their efforts.
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