High frequency sound
News about High frequency sound.
November 6th, 2015
US startup Lisnr has secured US$10m in Series B funding for a technology that uses inaudible sound waves called SmartTones to connect devices. “It works like existing technology protocol Bluetooth, except Lisnr uses sound waves and does not require hardware or maintenance,” the company says. It is also working on making Lisnr the “go-to” technology for powering contactless payments, CEO Rodney Williams told TechCrunch.