NOSTR messaging tranferred by sound? Sound Zaps? Who wants to build it? Hbt @bitchat mwessaging via sound other human cannot hear? Tool: transfer data through sound, including INAUDIBLE frequencies! Wild shit can be built these days.... Use it here:

CHIRP // AUDIO DATA TRANSMISSION

Works offline, data not sent to any server: it’s an in-browser modem supporting frequencies between 18k and 19k Hz, which most humans can’t hear (but your cat can!)

GitHub

GitHub - solst-ice/chirp: Send data with sound

Send data with sound. Contribute to solst-ice/chirp development by creating an account on GitHub.