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Secure data transmission with ultrasound on the mobile phone

[ad_1] by the University of Applied Sciences of St. Poelten SoniTalk screenshot. Credit: St. Pölten UAS Ultrasonic communication is a whole new method of exchanging data between IoT devices and mobile phones. Communication between them is inaudible and the hardware requirements are reduced to a minimum: microphone and speakers. Researchers at St. Pölten University of […]