[mythtv-users] FAQ

[Phill Edwards]

> > 1) Are you sure it's vertical and horizontal _resolution_? I thought
> > it was the height and width measure in mm. After all how would anyone
> > know the resolution of a TV screen? Perhaps someone else can confirm
> > whether I'm right or not.
>
> The FAQ is right (except x and y are swapped, ie. x = horizontal res *
> 0.254, y = vertical res * 0.254).
>
> The equation is:
> xdpi = 25.4 * HR / W
> where HR is the horizontal resolution and W is the width in mm (which
> is what goes in the config setting).
>
> We want xdpi to be 100, so solving for W gives us:
> W = HR * 25.4 / 100

So how do you work out the horizontal resolution of your TV? Or is it
the 800 in 600 x 800?

Regards,
Phill