is there any fix for better dvd sound on W2k pro.? ....could be it needs some special drivers because 2k didn't have proper one's before dvd came about?

specs:
W2k pro sp4
P4 639 3ghz (15x200)
asus mb psrd1v
Motherboard ChipsetATI Radeon Xpress 200
System Memory 1024 MB (PC3200 DDR SDRAM)
Video Adapter RADEON X300 Series Secondary (256 MB)
Audio Adapter ULi/ALi M5461 High Definition Audio Controller
Optical Drive LITE-ON DVDRW SOHW-1693S (DVD+R9:4x, DVD-R9:4x, DVD+RW:16x/8x, DVD-RW:16x/6x, DVD-ROM:16x, CD:48x/24x/48x DVD+RW/DVD-RW)