Kotaku[1] has a workaround for getting your cable TV's surround sound to function properly on Microsoft's new console, as a temporary solution has sprung up since several people were having trouble getting the feature to work properly. The Xbox One has automatically downgraded surround sound devices, which is not as Microsoft intended.

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External surround sound is supported by the Xbox One, but it is hard to find at this time. You can retrieve that option, which is being improved in beta, but cycling through the menus. Go to the "Settings" page on the main menu, and select the "TV & OneGuide" options in the menu. From here, go to the "Troubleshooting" page and click on the "Surround sound (BETA)" option on the list.

This is currently in beta, which means that there will be issues with the feature. Microsoft will continue to work on the Surround Sound feature for their OneGuide and Television experience[2].