Since the 1960's there have been many efforts to control and direct sound into a narrow band of space so that audio messages could be transmitted to a targeted area, such as emergency exits.
Following years of intense R&D, the founder of Parametric Sound, Elwood "Woody" Norris has innovated the complex technology called the HyperSound System (HSS).
Instead of using a vibrating membrane like traditional speakers, HSS electronically converts audible tones into ultrasonic waves transmitted at frequencies beyond human hearing. These audible tones are projected along an air beam of silent ultrasound energy. This sound (actually created in the air) can be directed to just about any desired point in the listening environment.
The HSS parametric sound beam is a major breakthrough in sound that is available exclusively through Parametric Sound. HSS is compatible with any media input, but unlike other forms of sound reproduction, it can focus sound where you want it and nowhere else.
Due to its incredible directionality and 3D effects, HSS technology has numerous applications in the following main categories:
And new applications are being discovered as the benefits of directed sound become more widely recognized.
A HyperSound System (HSS) is similar to a flashlight. If you project the HSS emitter device directly, you hear the sound formed in the column of ultrasonic energy just like light from a flashlight. However, when a listener stands to the side of an HSS emitter, you hear only the sound that is reflected from a boundary surface, just like the light of a flashlight when it is reflected off a wall. No sound is created on the surface of the emitter; the listener can only hear sound from being in the beam or that is reflected from the wall or other surface. Never in the history of sound have you been able to create this degree of controlled directionality to audible sound.