Researchers harness ultrasound to create isolated pockets of sound only you can hear in a crowd
Directing sound to a specific location is difficult because of how sound waves behave. As vibrations move through the air, ...
No Headphones, No Problem: This Acoustic Trick Bends Sound Through Space to Find You
New audio tech uses ultrasound to create isolated pockets of sound, enabling private listening without headphones.
Study Finds on MSN3d
End Of Headphones? New ‘Audible Enclaves’ Deliver Sound Only to Your Ears
Learn about localized audio spots, dubbed "audible enclaves," which can be placed with pinpoint accuracy while remaining ...
Hackaday17d
ultrasonic speaker
At the recent Hacker Hotel conference in the Netherlands, she presented an ultrasonic parametric speaker. It projects an extremely narrow beam of sound over a significant distance, but it’s not ...
Researchers created sound that can bend itself through space, reaching only your ear in a crowd
By combining ultrasound with a concept called nonlinear acoustics, you can create sound that stays silent until it reaches a ...
Interesting Engineering on MSN3d
Sound-bending tech lets you hear music without earphones while others are undisturbed
The team tested the tech in a room with echoes to show that it can function in the actual world, such as in classrooms, cars, ...
IEEE Spectrum on MSN3d
Ultrasonic Beams Create Private Sound Pockets
Ultrasonic beams fired through a 3D-printed metasurface can create localized pockets of sound that are inaudible to ...
EL PAÍS English2d
A new technique sends sound to a specific person without the surrounding people hearing it
The researchers believe that these ‘whispering beams’ could be used to transmit personalized messages in public spaces, such ...
A wild new sound tech promises to create 'personal' sound only you can hear, but without headphones
The clever bit here is that each individual wave is inaudible on its own, so nobody hears anything unless they're at the ...
Wild Ultrasonic Beam Tech Bends Sounds For Private Listening Without Headphones
A new invention has proven that audio can successfully be transmitted directly to a listener's ears without being audible to others around.
Painless technique can estimate glucose concentrations in solution and tissue via sound waves
Blood glucose is usually measured using invasive methods involving pricking small needles into the skin. But people suffering ...
Hackaday15d
Build A Parametric Speaker Of Your Own
The loudspeaker on your home entertainment equipment is designed to project audio around the space in which it operates, if ...