To view this page ensure that Adobe Flash Player version 10.0.0 or greater is installed.

If you like it, you may want to try the AU version.
Use it in your DAW (mac-only version, sorry).

Download it here : CV4PulseAU.zip
or listen to a demo.

And if you would like to view the source of the flash version, grab it here

Vibrato-enabled version is here.