I using my kinda old home theatre (Philips hts9800w) for my xbox, and I am wondering if there is a big difference when it comes to analog and digital audio. It's kinda complicated, but if I am going to use digital sound, I need to convert it from optical to coax, but it's fine with my to do that. But will it be worth it, and will the digital sound be better for my gaming (cod, bioshock, battlefield 3)