Quality issues on Sky Sports - some kind of patterned overlay?
I recently purchased the sky sports pass with Boost, and I am using a NowTV Stick. The quality was a little below my expectations considering it's 1080p 50fps (it looks noticeably worse than BT and Amazon).
Upon a little investigation I noticed that it wasn't a problem with the sharpness, but rather that there was a subtle pattern overlay/watermark on the picture that was making it look patchy and artefacted.
I then noticed that when I pause and unpause, the overlay can be seen clearly (it then fades after a few seconds, but not completely).
This picture shows what I mean (towards the bottom half):
It seems to happen on all the football channels, I checked Netball out of curiosity and it didn't happen there. It also doesn't happen when I stream from the NowTV app. I know its not my TV as I stream plenty of other stuff without this.
Is this pattern familiar to you guys? Is it some kind of anti-piracy measure? I would understand if that was the case but it's visibly affecting my streaming quality. Even the 720p feed casting from the iPhone app would be superior to what I've currently got if the framerate weren't so poor.