Teenage Engineering's PO-32 acoustic modem and synth implementation

by ericlewis on 3/28/2026, 1:04:56 AM

Comments

by: socks

Hey ericlewis - this is cool! Can I ask how you figured it out?! Doing this for my PO-33 was on my bucket list. I thought I might have to resort to voltage glitching to get a firmware dump, which is currently beyond my skills.

3/31/2026, 9:35:23 PM

by: gxd

This reminded me of when people used to transfer games over the radio: <a href="https://www.racunalniski-muzej.si/en/40-years-later-a-game-for-the-zx-spectrum-will-be-once-again-broadcast-over-fm-radio/" rel="nofollow">https://www.racunalniski-muzej.si/en/40-years-later-a-game-f...</a>

3/31/2026, 9:02:03 PM

by: larme

That's amazing. I wonder how accurate is the synth engine?

3/31/2026, 7:31:44 PM

by: kmeisthax

> The PO-32 is not receiving finished drum audio when you transfer a sound or a pattern. It receives structured data:<p>Wait, isn't this what MIDI is for?

3/31/2026, 8:03:50 PM