The book Computers, Pattern, Chaos, and Beauty has some nice examples of Chernoff faces used to represent DNA sequences or characteristics of sound.
It's still available, and there are pirate versions if you want to try it before buying it. It's a great book, it's chock full of odd ways to visualise data.
It's still available, and there are pirate versions if you want to try it before buying it. It's a great book, it's chock full of odd ways to visualise data.