Archived from groups: microsoft.public.windowsxp.video (More info?)
Sure, lots of ways...
The simplest method is to connect the audio-output jacks from a standalone
DVD player, to the line-Input of your soundcard. This will allow you to
record to your HDD using virtually any 3rd party audio recording software
you might have available.
If your existing soundcard drivers allow for the selection of a recording
input source called "What You Hear" or "Stereo Mix", something along those
lines, then you can generally record live audio, while it is being produced
from within another application, such as WMP9. Thus, while playing or
viewing a DVD in WMP9, for example, it is possible to simultaneously record
the audio portion using recording software set to record from "What You
Hear" or "Stereo Mix".
To Extract Audio directly from a DVD, using a self contained DVD drive on
your computer, gets slightly more complicated and generally requires a
variety of 3rd party tools. There are many sites available on the internet
that deal with those methods;