Make a drawing and take a picture of it, and the free iOS app Tunetrace turns it into music. Well, sort of: Abstract minimalism sounds boring, but selfies (self-portraits taken with a mobile device) are rather melodic. Tunetrace -- which Queen Mary University of London company QApp released this spring on iPhone, iPod Touch and iPad -- is a novelty hinting at the potent idea of combining machine vision and procedural music. Open Tunetrace and snap a photo, and the app uses machine vision to find the lines in an image, then assign each line a tone.

Subscribe to billboard biz to continue reading this article and thousands more.

Billboard.biz subscribers get:
  • 24/7 coverage of every genre and sector of the business with over 150 exclusive charts
  • Bulletin: Breaking stories, chart info and analysis sent directly to your inbox every weekday
  • Billboard Magazine iPad Edition: An enhanced version of the magazine with video, photo galleries and playable charts
  • Archives: A rich history of Billboard.biz articles and exclusive charts

Join now or Log In