[mythtv-users] OT: Why 1080p?

[AWC Lists]

Ed Gatzke 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.
> 
> 
> Upscaling you usually don't lose a lot of quality, IMHO.  Similar to the 
> old TV line doublers, you may get a better picture with more resolution 
> even if you have to interpolate or extrapolate some.
> 
> I think 1080i and 1080p scaled down to 720p would be a worse option than 
> upscaling 720p.  To me, it makes sense to upscale or deinterlace  to 
> 1080p than downgrade 1080i and 1080p to 720 lines.
> 
> But back to mythtv topic,  has anyone tried running myth on a 30inch 
> Dell at 2650x1600?  I bet the quality is incredible when you upscale 
> 1080p video to 1600 lines of resolution... Maybe I will try it over Xmas.
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users

Do you realize that 1080i images are WORSE quality than 720p images? 
(1080i should really be called 540p...)  So when you are watching 1080i 
on a 720p screen is is being UPSCALED.  Not downscaled.

The order of HD video quality.  480p -->  1080i --> 720p --> 1080p