I've found something called "TFEXPAND" but I'm not exactly sure how to use it. I have to sneaking feeling this is the program I'll need in order to get the job done. If anyone has experience with this program, please PM me.
If there's an alternate route to getting those sounds files, please reply here.
I've found ConMan (short for Container Manager) over at The Admiral's Command Chamber
. For opening LFD files, it's pretty easy to use. I used it on an XP computer so I don't how useful it would be on Vista or Windows 7. I've used this for the cut-scene dialogue which was my primary goal.