[mythtv-users] OT: Why 1080p?

Thomas Börkel thomas at boerkel.de
Fri Nov 10 13:29:12 UTC 2006


HI!

Daniel Kristjansson wrote:

> 720p would look better on a 1080p display than 1080i display, but
> 720p would also look better on a 720p display than a 1080p display
> since no scaling is required at all.

I've read in a german computer magazine that this is not true. They 
said, 720p content on a 720p display is first being upscaled a little 
bit by the display to get overscan and then a little bit is being cut 
around, so it's 720p again. The same applies for 1080i content on a 
1080i display.

This sounds like nonsense, because overscan is not necessary for HD 
content on a LCD, but all currently available TV LCD displays do it, 
they said.

Thomas




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