I'll upload a video of this audio visualization when I have some time. In the meantime, try the code out yourself. I'm still tweaking it to figure out what might look best.
Some requirements to run this code:
1. Download OpenCV for Processing from here: https://github.com/atduskgreg/opencv-processing/releases
2. And download and install from here: http://opencv.org/
2.b. Probably need v2.4.5 of opencv from opencv.org, but I was able to get it to work with v2.4.9
I'm also using processing 2.1.2.
And finally, copy this gist into processing:
If you're interested in design history compressed into twenty minutes, listen to this talk. Deyan Sudjic presents the last century of design, how it's been changing, and how it's been used to attain a plethora goals from commercial, social, and technical. Deyan is the director of the Design Museum and the author of a new book, 'B is for Bauhaus.'