LCD TV resolution?

[wulf109]

My Toshiba Regza LCD TV's native resolution is 1366x768. When I feed it an upconverted 1080P source (HDMI) is it actually displaying 1920x1080? How does an upconverting DVD player work? How does it turn 720x480 into 1920x1080?

[guns1inger]

Many questions, many answers, so let's see.

Your television has a resolution 1366 x 768. It can display an incoming 1920 x 1080 signal, but it has to down scale it to 1366 x 768. If you have a built-in digital tuner that is receiving a 1080i signal it will do the same thing.

How does an upscaling player work > Well, basically, it uses clever algorithms to resize your video up to a higher resolution while trying to no over soften the video or create too many artifacts. Not all upscalers are made equal. Some don't do much more than simple resizing, while the good upscalers can create near HD quality.

There are a few things to remember though.

1. There is no such things a cheap, high quality upscaler. Good upscaling costs money.

2. No upscaler will give you bluray quality from a DVD, however you may not notice the difference if the quality or resolution of the TV isn't up at the high end.

3. An upscaler will also upscale all the problems. The better the source, the better the outcome. A high quality source may look very good, but a low quality source will just look like a low quality source made bigger.