Transmit data using ultrasonic audio. Perfect for offline/network-free data transfer, automatic content recognition (ACR), and broadcast.
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Updated
Apr 1, 2021 - Objective-C
Transmit data using ultrasonic audio. Perfect for offline/network-free data transfer, automatic content recognition (ACR), and broadcast.
iOS framework for the Quiet Modem (data over sound)
iPhone SDK to decode ultrasonics
Beeping examples to demonstrate how to use the protocol in different platforms.
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