Just got my first HD set, and I absolutely love it, but I have several newbie questions.
First, running a DVD into the screen. Picture was awful (using component cables) until we changed the DVD player output from 4x3 to 16x9. Instant improvement in all areas except one.
In the deep blacks, there's a subtle pattern. Diagnonal gray stripes that move across the black parts of the screen, from left to right. Could this be caused by a cheap component cable? By powering the TV through a UPS system? Picture is lovely otherwise, but the diagonal lines are annoying as hell, and not sure where to start trying to fix it.
Second, my main input is a DirecTv HD Tivo, connected via HDMI cable. Overall, picture is great. HOWEVER... lots of artifacting on several HD channels. Watching replays of the '04 olympics and when the gymnasts run across the screen, it's pixellation city. Thought this problem was limied to LCD screens, not so much LCOS.
So, was I wrong? Or does this have to do with the broadcast being in MPEG2 compression via DirecTV? Will the switch to Mpeg4 improve the situation? Or... is it the Tivo? Maybe it compresses the images (even live images go through the box and are recorded for playback, obviously). or is it a part of the TV in particular, HD in general....?
Any help is much appreciated. Thanks!
