Discovery HD Channel Weirdness

Archived from groups: alt.tv.tech.hdtv (More info?)

beernuts wrote:
> Lately I've noticed this weird thing while watching the Discovery
> channel (HD). I noticed that the brightness of the overall picture
> seems to toggle or cycle over and over, so if you stand back and watch
> the whole picture and not concentrate on the programming, you can see
> the brightness cycling between slightly different lighter and darker
> levels, it's subtle but still noticeable. This is very bizzare and it
> doesn't happen when commercials are on, and it doesn't happen with
> other HD channels. Just Discovery channel. If I freeze the image on
> my TV, the effect stops. I've got Dish TV, a Panasonic HD widescreen
> 50LC13 and this is happening with all kinds of weather and as
> mentioned above, on no other channels. DVDs look fine. Does anyone
> have an idea what the bleep the deal is? I do know some channels have
> funky things going on, like I recall ESPN for a while had some kind of
> weird background noise that none of the other channels had, and for
> the longest time, Disney would have a little black square in the upper
> left hand corner of the screen, so I'm wondering if this is just
> something with Discovery's signal.
I just recently got my set and cable box and have been watching
Discovery a lot since then.I've noticed none of the events of which
you speak. In fact,the thing they did the other day on the solar
eclipse in Antarctica was a breathtaking example of the quality
of Discovery HD and,I guess,my set (Sony 34XBR960).