This reminds me of the 'Digital Needle' project, which was a hacking project done by Ofer Springer back in 2002. The idea was to use a flatbed scanner to play a

This reminds me of the 'Digital Needle' project, which was a hacking project done by Ofer Springer back in 2002. The idea was to use a flatbed scanner to play a vinyl record. http://www.phys.huji.ac.il/~springer/DigitalNeedle/ http://www.phys.huji.ac.il/~springer/DigitalNeedle/ It came surprisingly close. Perhaps with today's technology we could do better?