It's been a few days since the launch of Xbox One and during the weekend consumers have begun experiencing issues with watching TV through their new consoles reports HDTV Test. As you may know the concept for watching TV through your Xbox One is that you relay the signal from your set top box via the Xbox One.
The problem lies in that Europe still broadcasts TV in 50Hz while games are played at 60Hz (also used for American TV) and it's when these signals are synced that issues arive. Normally you won't notice this, but during quick pans, you may experience some stutters.
This is a difficult technical issue for Microsoft to solve, but we hope there will at least be some sort of patching to sort the most apparent problems.