After the most recent update I no longer have 5.1 sound on the WWE Network. I had it before that and since I bought the Apple TV. Im not sure how to fix this or if I can. Is there anyway to roll back to the previous firmware?
If your AppleTV isn't playing Dolby 5.1 sound on the Auto settings, you can force it by going to Audio and Video Settings and selecting the Surround Sound mode you want it to use. I've forced mine to always output in Surround Sound mode.