[LAU] Recording a video with High quality audio

[Ivan K]

I would like to make a video of a performance
of acoustic music.  I have a webcam on my computer,
but rather than use the microphone that is
on the webcam, I would prefer to use my
ART USB Dual TubePre microphone preamp
plugged into the S/PDIF of my M-Audio 2496.

Is there any application that can record video
from a webcam but use an audio input other than
the built-in mic on the cam?

Thanks;