[mythtv-users] overscan problems with nvidia 8400 GS

[Brian Wood]

On Monday 13 July 2009 15:53:04 Simon Hobson wrote:
> Hmm, looks like I managed to get my mail client to not send this earlier.
>
> jedi wrote:
> >...so it sound like the only people that really need to worry about
> >this are the Myth coders and associated theme authors.
>
> And anyone that cares about getting the best picture quality.
>
> Decoding a DCT to one resolution and then resampling that to a
> different one can't be better than decoding the original material to
> the right resolution in the first place - well I'd have thought so
> anyway.
>
> As an aside, for some time I've been using an old Mac laptop with
> broken display as a 'set top box' with EyeTV. I've had the option set
> to underscan in the Mac output so as to be able to see the menubar
> etc, and the result is that my TV viewing for some time has been
> slightly under-scanned. I've never noticed any edge effects or
> anything else to say that displaying the entire picture as broadcast
> is a bad idea - that's with UK Freeview.

The monitors in almost all TV control rooms are slightly underscanned, so any 
artifacts at the edges should be noticed and corrected.

I think the main reason for all the over-scanned digital sets might be best 
described as inertia on the part of the manuacturers.

-- 
Brian Wood
beww at beww.org