Video Trigger is a free motion detector application tailored for media artists.
Attach a camera and trigger sounds whenever occupancy is detected in six user-defined areas of the video image. You have complete control over the playback logic and signal routing. Surround is supported.
I designed Video Trigger for artists who want to experiment with interactivity without building custom hardware or software. It aims to answer the question that I hear from many of my students: "How do I make a sound play when somebody does ..."
The answer often involves analog electronics, micro-controllers (like Arduino), or software more...