Working its way from idea to lab to nascent technology, Cymatics is the study of how sound lends shape.
While an unfamiliar idea to most, a very human analog might found in "Born on a Blue Day" author Daniel Tammet, who has written at length on his ability to see numbers as color and shape. He provides a rare first person narrative into how mixed media can lead to creative possibilities and life enhancing technologies alike.
Perhaps people will even be able to see with their tongue.
Think about this. Knowing what something might have sounded like based on its physical properties might provide physicists with a 13 billion year old vantage on an event like the Big Bang, as Evan Grant suggests in this TED video. Check out the video below and others linked recently by Emerging Tech blogger Chris Jablonski.