Is there some (easy) way to stop or slow down the visualization when there is silence? I've tried turning down the response scale, the preamp, and even muting my sound card, but it is still quite active.
In G-Force the auto sprite and auto particles were the problem.
With the latest version, about 50% (or more) of the scenes automatically slow down to no/low audio volume. This effect is probably most obvious in Corridor - Sprite. What audio player and OS are you using (or are you using the standalone or screensaver)?