ChirpCast: Data Transmission via Audio
CoRR, Volume abs/1508.07099, 2015.
In this paper we present ChirpCast, a system for broadcasting network access keys to laptops ultrasonically. This work explores several modulation techniques for sending and receiving data using sound waves through commodity speakers and built-in laptop microphones. Requiring only that laptop users run a small application, the system su...More
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