This is cool. Encode text data into audio. 170 characters, 2800 bps. You could send lightning invoices over ham radio! This is the app on my phone reading the audio from the YouTube video.
https://v.nostr.build/6gQO.mp4
https://github.com/aicodix/rattlegram
so cool
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It's like an audio QR code. It is also resilient, surviving low quality radio, and YouTube compression. You could sneak messages in any audio or video recording 🤔
i love it
