Axis Spectrum Analyzer allows you to record audio along with sincronized 31 band spectrum analyzer readings from any audio source to be inputed into Macromedia Flash movies in an easy to integrate way.

It records a wave file and an action script file for that wave file to be included in your Flash project. It allows you to set the frames per second used in the Flash movie. It comes with a full example, visit the web site, there is an example there.

The software can also be used to display real-time audio with customized visuals on video devices such as projectors, tvs,etc..., the software comes with special features for making it appropriate for music performances (such as karaokes,shows) .

For that you will need a machine with an audio board and a video board with an s-video or composite video output (quality is a differential in both audio and video hardware).