As far as computers are concerned, images and audio are fundamentally just arrays of numbers: signals changing over time (audio) or space (imagery). That got me thinking about what would happen if we encoded audio data into an imagery format. What would it look like, and more importantly, what would it sound like if we can manage to decode it? Enter AudioJPEG: The Worst Compression Algorithmâ„¢. Encoding Audio All we need to do to convert an audio file to an image file is: