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/
Dual tone release with accurate trigger location identifier
Add clock frequency signal to increase robustness
Small and pure java library Include forward error correction code Hamming and Reed-Solomon.
Can be triggered with low signal/noise ratio and works in noisy environments.
last c version and gcc bridge
First release with java version of OpenWarble