The broad pitch used to sell the concept is pretty easy to grasp. With traditional speakers, sound travels out like light from a lamp: It’s directed, for sure, but not focused. HyperSound is more like a flashlight: a concentrated “beam” of sound, which is only fully audible in front of the “speaker,” a piece of glass.
Turtle Beach's glass speaker fires a focused 'beam' of audio
Engadget.com reports that Turtle Beach’s HyperSound Glass is one of the most impressive tech demos I’ve seen in years.
To achieve this trick, HyperSound starts by creating audio in the ultrasound spectrum — sound waves at a higher frequency than the human hearing range. By the time they reach your ears, those waves are entirely audible, of course.
HyperSound tech is already in use in a single product from Turtle Beach, albeit without glass. The HyperSound Clear 500p is designed to help the hard-of-hearing watch television. It’s a pair of ultrasonic speakers that are meant to be positioned directly towards a listener, allowing them to better hear high-frequency audio (i.e., dialog) while others watching the television listen to the regular output of the TV.
Read more at https://www.engadget.com/2016/06/16/turtle-beach-hypersound-glass-demo/
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