I'm sick of freeview not coping with interference

wrote in message ...
On Tue, 03 Nov 2009 13:33:29 +0000
John Rumm wrote:
Your wav file is probably a straight set of raw samples. Chop out a lump
or introduce significant errors and you will very quickly hear the
result in the reconstituted audio stream. A digital TV stream is

Sure you will, but my point is that those errors wont prevent the other
adjacent good samples being played. They will only effect the samples they
occur on. Also the human brain is much better at filtering out signal from
noise than any computer program yet written which is why analogue is
still watchable even when half the screen is snow.

the whole system collapses. In the case of your system (and your
neighbours) it sounds rather like there is a local source of quite
powerful interference taking the signal so far out of spec that no
amount of protection or coding is going to help. You may need to enlist

This seems to be the case.

the help of someone who has the appropriate test equipment to identify a
likely cause. Various suggestions have been made as to possible causes.
Also look for things like local digital radio transmitters (PMR, Tetra
etc).

Its so intermittent that sods law says when he turned up it wouldn't
occur.
No doubt some nearby neighbour has some dodgy piece of equipment or souped
up CB radio or something.

Ghosting as annoying , but IMO it doesn't make it unwatchable.

It does when bad enough to prevent the TV from syncing the picture.

True, but you rarely see it that bad.


It was interesting that you mentioned something about 'herring bone
patterning' when the fault occurred, which would definitely appear to point
more towards RF than that of ordinary electrical interference.