HoloSonic Soundmasking systemClearly, having loudspeakers twenty meters wide is not very useful. therefore to make a narrow beam of sound from a small acoustic source, we instead generate only ultrasound Through a combination of careful mathematical analysis and engineering insight, the Audio Spotlight sound system has become the very first, and still the only, sound beam system which generates low distortion, high quality sound in a reliable, professional package. The HoloSonic