All my subscription channels play live perfectly.
But if I record an HD channel, it constantly pixelated and stutters. I can rewind and watch the same section, same issue is in the same spot.
Again, live play is fine. Only occurs on recordings.
Thinking the hd is at fault?
If you have an active BT TV subscription, report it to faults and they'll send an engineer round and swap the box if necessary. The HD's can fail and this might be a sign that it's on its way out