[mythtv-users] MythTV, 1080P, NVidia, DVI to HDMI
linux at thehobsons.co.uk
Thu Oct 22 17:45:07 UTC 2009
Robert McNamara wrote:
> > 1. Should I return the S1 and get a panel with a VGA input
>because I will have less issues?
>Nah, DVI and HDMI aren't any tougher than plain jane VGA (IMHO) and
>the gains outweigh any setup woes.
That depends on the TV and whether you are bothered by overscan.
AFAICT,m the default for HDMI inputs is to overscan - ie you feed the
screen a 1920x1080 signal, the TV chops off the edges, re-samples
what's left up to 1920x1080 and displays that. From what I've been
able to find out, it seems that larger panels are more likely to
support a 1:1 mode (sometimes called Full Pixel mode, or other names)
- if it does then you can feed the panel a 1920x1080 image and it
will display it unmangled.
Since VGA inputs are designed for computer use, the default on those
is to NOT overscan. In that respect, VGA is easier to setup - and if
the display doesn't have Full Pixel mode on a digital input, will be
the only way to get an unmangled computer display.
What's **really** annoying to me is the way manufacturers just don't
give any information on this in their marketing blurb. Makes finding
a suitable set a hit and miss affair - ie try them till you find one
that works properly !
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