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
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