Hey Jazmyn (and rest of class interested)!
The program to convert an image into a sound format is called Photosounder. Unfortunately it’s a paid service, but a download of the demo is free! Maybe you can try and use it as a demo?
To give you an idea of what images would sound like, here’s a youtube video showing a photo of a woman’s face converted into auditory wavelengths.
I hope this helps you! Good luck!