I really don't believe this.
As I have already stated, for me, this only happened when watching live Sky HD broadcasts from th EPL (it may have occurred on other live broadcasts, but I tend to only watch the football). After months of chasing Sky/Now over this, the problem stopped occurring. BUT now, since BT has become TNT/Discovery, it now happens on the BT EPL HD live streams (it doesn't appear to happen on the SD channels). This is more than frustrating. Surely someone knows what is being put in the feed when it goes to ad breaks and returns?