Turn images into sounds viewable on a spectrogram!

The idea isn't that new—Aphex Twin did this in 1999, and people have been doing it manually with whistle/voice since at least 2009.

This program is written using Processing and depends on the processing-sound library, which you will need to install before running.

For visualizations, I played sounds through my PC speakers and used the Spectroid Android app.

Logos in particular end up looking really awesome and dystopian:

Note that this is built with a log-scaled spectrogram in mind. If yours is linearly scaled, then edit this line to accommodate your needs.