I've noticed that when watching playback over both a SlingCatcher and via PC,  from an  ExpressVu DVR based in Canada, watching over a good high speed connection about 2,700 miles away, that the picture freezes fairly regularly.

 What's interesting is that it typically occurs during sporting events, and always during a replay.  The picture freeze is "presignalled" by an audible "beep".

If I rewind the DVR, the freeze will occur at the exact same time.

 Has anyone else experienced this?  Any fixes?

 Thx