[Jonathan Maag]

This past weekend, as I was watching the NCAA games in 1080i (great picture!), I noticed something unusual. My local affiliate was having problems with their HD transmitter, causing a jerky picture, so I temporarily switched over to the 480p analog signal. When I did this, the close ups (from, say, a camera under the basket) were very crisp and clear, while the shots taken from the camera that shows the entire court were very fuzzy. I also remember noticing this exact same effect when watching football in 480p--close ups=good, long shots=bad. This effect is not noticeable when watching the same 480p program on other TV's (same antenna) in the house.


Can anyone provide an explanation for this effect?


I have a Sony VPL-VW12HT projector fed from an antenna and a Sony SAT-HD200 receiver.


Thanks,


Jonathan Maag

New Berlin, WI

 

[WanMan]

Did you get the opportunity to turn on a directview boob-tube and see if the problem followed?

 

[Jonathan Maag]

Yes--the problem is not present on any other TV in the house, all of which use the same antenna feed as the one going to the SAT-HD200.

 

[WanMan]

Interesting. So, the problem only appears in conjunction with a fixed-pixel display?

 

[space2001]

I have noticed the same thing with Hockey games, up close is very crisp while far away wasn't to sharp. To me it looks like the signal becasue the pixels are very small and switch very fast back and forth through colours, with is very hard for projector to correct.



I even have looked at other hd set and they have the same problem unless its in high def.


So its a mixture of not enough infromation coming into the 12ht and the the 12ht trying to clean it up

 

[paulvc]

It has to do with resolution. Close ups are larger areas. For instance. Someones face up close taking up the whole screen will have a ton of pixels making up the image. The same face zoomed out taking up a small area of the screen will have considerably less pixels making up the face. Therefore will not be able to show the detail. This happens on every display no matter what. It is just more noticeable on larger screens. And with line doubling it just makes it twice as noticealbe.