A smart city information kiosk with Audfly directional sound modules projects focused ultrasonic audio to a pedestrian, showcasing clear communication and effective noise control in public spaces. LOS ...

Unlike traditional speakers, which emit sound waves in all directions, ultrasonic directional speakers use high-frequency ultrasound to create a narrow audio beam. This focused projection ...

What if you could send sound directly to a single person in a crowded room, without anyone else hearing it? This isn’t a scene from a sci-fi movie, it’s the reality of a new concept called the “sound ...