Quote:
Originally Posted by dodgem22
Hi mr lemming it does happen on live tv to not just recordings I have checked the heating and it is not to blame still as puzzled as ever as to what the cause is. someone has suggested it could be over utilisation whatever that is?
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Hmm, could be what i'm thinking then.. Although the cable virgin uses is pretty good and should block out any weird jumps in noise or interference (providing all the connections have been put on properly and tightened up, check yourself with a spanner or pliers if they are tight). If all the cables have been changed I cant see it being this. Id swap your box's around for a few days and see if the fault persists in the same room or the other, along with try and work out if it matches up with anything else that gets turned on. If you see it on a recording you would be thinking about the time which it was recorded not the time your watching it. Although it could be something of your neighbours causing the issue meaning you don't have a chance of working it out…
You hear or many strange and weird things causing these errors.. take a look at
http://en.wikipedia.org/wiki/Signal-to-noise_ratio for more info.. But such things as energy saving light bulbs, cordless landlines, christmas lights, microwaves are to name a few.
A very unlikely issue but nether the less possible is theres a small jump in power from the mains which causes the box to pixelate. Again working out what's causing this would be hard, I guess a large extension lead to downstairs which is on a different ring main.. Although think I'd have given up well before I bothered doing that.
A network engineer could check if there is any noise coming from the cable itself however you can't book these out via a call centre, a service tech would have to arrange for them to visit once they had visited. I guess you class them as the next stage in technical knowledge, they tend to look after large areas, not customers house's. However the equipment they use can detect these errors. That said if whatever it is causing these issues isn't happening at the time they plug their meter in they won't be able to see anything anyway.
I'd check all your connections are tight, check if all the connectors look new and shiny so as to be sure the cables were fully swapped.. And try swapping the upstairs box for the downstairs and see what happens.