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 ...

Makers, hobbyists and audiophile that enjoy building electronic projects might be interested in a new parametric directional speaker snap together kit that has been developed by Richard Haberkern. The ...

A loudspeaker that people only hear when directly in front of it. Used for marketing or instructional purposes when someone walks by, parametric speakers use ultrasonic frequencies, which are ...