data-over-audio topic

Transmit data using ultrasonic audio. Perfect for offline/network-free data transfer, automatic content recognition (ACR), and broadcast.

jamesonrader

SoniControl - the first ultrasonic firewall

fhstp

Protocol for exchanging small amounts of data over audio.

weckbach

Allows your device to communicate in an electronic sound language. Follow us on twitter: https://twitter.com/qrtone. Demo App in https://universite-gustave-eiffel.github.io/qrtone/

Universite-Gustave-Eiffel

Tool to prevent eavesdropping and ultrasonic access of your smart phone.

skewyapp

C Libraries to encode and decode data over sound

beeping-io