Show HN: Turn images into audio that can be decoded with a spectrogram

9 points · 5 visible top comments · 2026-06-24 19:23:38 UTC

nsspot.herokuapp.com · Read Story HN original

Comments

gmerc · 2026-06-27 05:19:17 UTC

Please disable adblock for free use. lol.

femto · 2026-06-27 05:28:55 UTC

An Orthogonal Frequency Division Multiplexing fax machine!

StizzurpXDD · 2026-06-27 05:47:38 UTC

A good way to send encrypted pictures. Just convert the images into audio, and nobody would even think to look at the spectrogram of the audio file. Nice.

rotten · 2026-06-27 09:28:21 UTC

Better than playing a record backwards to find the hidden messages. Instead you can find hidden images in recordings.

shipped_it · 2026-06-28 04:04:14 UTC

Very interesting!