Imagine a loudspeaker beaming music at you, almost as if it were a beam of light. You hear the music loud and clear, but your friend sitting across the table hears practically nothing. While products ...

The research could one day lead to headphone-free private audio in public places, offices, cars, museums, or even at home.

The loudspeaker on your home entertainment equipment is designed to project audio around the space in which it operates, if it’s not omnidirectional as such it can feel that way as the surroundings ...

Using their acoustic metasurface (AMS), a team of Penn State researchers are able to shape audio into a tiny “sound spot” about four inches away from the speaker. In the video, the team demonstrated ...