This project from the University of Bristol uses ultrasound beams to allow people to whisper and communicate verbally with each other even at a great distance. The technology was developed for Special Service agents and Special Force troops. Led by engineer Asier Marzo, 'Project Telepathy: Targeted Verbal Communication Using 3D Beamforming Speakers and Facial Electromyography' allows users to speak to each other privately and quietly up to 30 meters away from each other.
Electrodes need to be attached to the jaw and around the lips and a speaker must be worn on the chest or head. The electrodes read facial movements and the speaker sends ultrasound beams to make the system audible. An algorithm identifies 10 words that are translated with an 80% accuracy when mouthed silently.
Ultrasound Communication Technology
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