For example, on the boxes of both Metal Gear Solid: substance and splinter cell, it has a diagram showing a 5.1 setup saying "in-game dolby 5.1 digital". I know for a fact that my center channel works. It's not the wiring or anything like that. I have the sound from the Xbox connected to my receiver via a fiber optic cable. Movies played on my Xbox put out sound on the center channel, and certain games do, but games claiming to use that channel don't. How can I fix this? Or are these games mistitled by saying they use 5.1? Thanks guys as I'm extremely confused. The center channnel doesn't put out sound during any part of the game, no the cut-scenes, in game, or on the menues. thanks.