My friend Wojciech Morawski organises small local festival – Cyklotronika, and some time ago he came up with idea to make it more audiovisual. I’ve prepared minimalistic visualization for Few Quiet People Unquiet Event.
This visualization was made in max/msp, and uses live audio input that was grabbed from mixer. Main line was drawn using amplitude. Sound was then further analyzed, and different frequencies controlled multiple aspects of video processing.
You can see it running live, along with some great music in this two excerpts:
