This directional speaker was made with 81 ultrasonic transducers and was modeled after Long Range Acoustic Device (LRAD) research with NYU Scientist in Residence, Eric Rosenthal.
User testing: https://vimeo.com/user2308965

Brooklyn, NY 2010
This directional speaker was made with 81 ultrasonic transducers and was modeled after Long Range Acoustic Device (LRAD) research with NYU Scientist in Residence, Eric Rosenthal.
User testing: https://vimeo.com/user2308965