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Computer display/DVD playback on a 42" HDTV LCD......

post #1 of 6
Thread Starter 
Ok, so I am doing a test run of my newest system and I am using my Sony Grand WEGA 42" LCD HDTV as the monitor......

I must say, it's pretty cool having such a huge monitor....


However, running into some issues.......

My only choices for desktop area either leaves gaps on the side, or makes it so the edges are cut off on the sides and the top and bottom. The ATI Control Center states my TV can handle up to 1920x1000 resolution but that cuts off the edges. I have it set at 1380x760 right now so I can see the whole desktop.......the TV only has adjustments for FULL, WIDE, and WIDE ZOOM and these results are on the FULL setting......

Now, that I can live with, but when I put in a DVD, I set the TV to WIDE ZOOM to get most of the screen filled up, but there are small slivers of black on the left and right. What sucks is the color quality and contrast ratio in DVD playback is terrible.

I can't understand that at all, I have this super video card which I know is overkill for just DVD playback and it looks terrible. I've never built a HTPC before, but I know it is done, often and with better and worse TVs than mine, with MUCH worse PC componants.....so ***?

I tried manually setting the color options and seemed to only affect the desktop. I set it to allow the application to set the colors and contrast and there was literally no change.

Oh, and I am using a DVI to HDMI cable to connect to the TV.....it's not a $50 Monster cable, but it is gold plated connectors and pretty solid.....

Anyone have expereince with this and notice something I am missing?
post #2 of 6
I have your monitors big brother. I haven't watched any DVDs on it through my computer yet but I have the same problem with the tiny slivers of black bars along the side. I guess we don't have much room to complain about that though. I will play a dvd on it though and tell you my results.
Opulentia
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Opulentia
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post #3 of 6
Thread Starter 
Thanks!!!


The only thing I thought of was that the settings hould be able to be manipulated through the program itself.....in this case, Nero. Alos, the X1900XTX came with PowerDVD from Cyber which appears to have DVD playback program as well....perhaps I will try that and see if it is better.

Like to hear your expereince too though.......
post #4 of 6
You need to change the colour settings for the "overlay"...not the desktop.

Also, I know nVidia allows this...but does ATI let you pick 720p or 1080i in your driver configuration..(where you select displays and whatnot)?

Good luck.
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post #5 of 6
Well the first problem is that generally LCD TVs have a resolution fo 1366x768. The resolution you've chosen isn't equal to the native resolution, which is problematic as this is a fixed pixel display.

2nd, alot of people have a hard time acheiving 1:1 pixel mapping via DVI or HDMI. VGA generally makes this much easier.

There is a program that many HTPC users swear by called PowerStrip. It allows you to put in custom resolutions and refresh rates, as well as many other display variables.

Another important factor is that movies have aspect ratios.... Some are 1.78, others are 1.85 and larger productions (Star Wars, Troy, etc.) are 2.35. EDIT: If your DVD is 2.35 or 1.85, for the love of god don't strech the image. By doing so it will REALLY look like crap. Black bars on the top and bottom are PERFECTLY NORMAL (black bars are pretty small with 1.85, but even larger with 2.35


Don't forget that DVDs have a resolution of 720x480, which is far less than the pixel count on your LCD. Result: your PC "scales" the image, thus creating artifacts. PROBLEM: you're probably using software with a poor internal scaler.


Here is what you need:

Powerstrip
FFDSHOW

You've got alot of reading ahead of you, because getting it to work well isn't easy... but EXTREMELY rewarding when everything works. You'll acheive quality that only the most expensive DVD players can obtain.

www.avsforum.com

Specifically:

http://www.avsforum.com/avs-vb/forumdisplay.php?f=26

Have fun!
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post #6 of 6
hope you figure it out, the htpc in my sig will be running a 42"+ lcd or plasma, really interested in how it will look and how itll play games
cant complain..
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cant complain..
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