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A comment on Show HN: TCP over sound on Android. Parent comment

Re:Show HN: TCP over sound on Android by kalleboo on Saturday October 22, 2016 @01:23AM (#12767338)
Data transfer over QR codes http://stephendnicholas.com/posts/quicker-video-qr-codes
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Re:Show HN: TCP over sound on Android by niftich on Saturday October 22, 2016 @01:25AM (#12767345)
See also this post: https://news.ycombinator.com/item?id=12166332#12170616

Link reproduced for clarity:

[1] http://thruglassxfer.com/

[2] Demo of above: https://www.youtube.com/watch?v=2_8GlFdlb0Y

[3] Same idea, some hackable code: https://github.com/Neohapsis/QRCode-Video-Data-Exfiltration

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