halcy.de v5

I'm Lorenz, a programmer, 3D artist and researcher (CS, ML, focussed on audio) from Germany, working for MS in Estonia. Online, I mostly use the handle "halcy".

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Networking & Internet 1 Hardware & Electronics 1

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Transmitting data via ultrasound without any special equipment

2025142 points43 comments Networking & Internet details

There are secret messages flying all around you all the time, being transmitted via, most of the time, electromagnetic waves going from antenna to antenna. ELOs “Secret Messages” is a song about posting conspiracy theories via WiFi. But what if you need to get a few bytes from device A to device B (one of the hard…