Imagine being able to listen to music or other audio that no one else can hear, without having to wear headphones. Doing so ...
Ultrasonic beams fired through a 3D-printed metasurface can create localized pockets of sound that are inaudible to ...
A new invention has proven that audio can successfully be transmitted directly to a listener's ears without being audible to others around.
The person standing at that point can hear sound, while anyone standing nearby would not. This creates a privacy barrier ...
Learn about localized audio spots, dubbed "audible enclaves," which can be placed with pinpoint accuracy while remaining ...
The researchers created localized pockets of sound, called “audible enclaves.” These enclaves are like small, invisible sound ...
The researchers believe that these ‘whispering beams’ could be used to transmit personalized messages in public spaces, such ...
It may someday be possible to listen to a favorite podcast or song without disturbing the people around you, even without ...
Imagine being able to listen to your favorite podcast or song without disturbing others—without using headphones. A team of researchers at Penn State has made a breakthrough in audio engineering that ...
According to the researchers, neither beam is audible by itself - it is the intersection of the beams that create a local nonlinear interaction, which generates audible sound. Furthermore, the beams ...