Pulse Density Modulation (PDM) Laptop AM Radio

Leaking Secrets from Air-Gap Computers by Spelling Radio Signals from RAM (2024)

“I used the same approach to play music from a .wav via pulse density modulation - * https://www.youtube.com/watch?v=KH9yb1qFKDY * https://github.com/anfractuosity/musicplayer”— anfractuosity, when sharing this video · read the comment ↗