Audio only where you want it with the Klang Ultrasonic Speakers concept

Rather than sound being pumped out from a loudspeaker in all directions, the Klang speaker concept proposes using a low level ultrasound to direct the audio only where it's required, leaving silence everywhere else. Such a system might allow audio output from a television to be sent to a different place in a room to sound from a hi-fi, allowing each listener to enjoy the experience without inconveniencing the other.

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