I'm having a similar issue with HDMI audio. I am able to get audio via HDMI to my receiver (Harmon Kardon 2650), but I have to reboot the X1 box daily to get it. Throughout the day, if we turn the system (receiver, TV, DVR) on and off, the audio still comes through. But every morning when we turn the system on, there is no audio via HDMI. An DVR reboot resolves the problem, but is less than ideal since it takes several minutes and will also mess up any DVR recordings at the time. My sound output setting is set to surround.
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