[mythtv-users] overscan problems with nvidia 8400 GS

[Matthew Harrison]

Jean-Yves Avenard wrote:
> Hi
>
> 2009/7/13 Matthew Harrison <lists at mwharrison.co.uk>:
>   
>> http://en.wikipedia.org/wiki/Overscan
>>
>> "With the accuracy attainable with digital type displays (e.g. plasma
>> <http://en.wikipedia.org/wiki/Plasma>, LCD
>> <http://en.wikipedia.org/wiki/LCD> etc.), the area presented to the viewer
>> is precisely defined. For 1080i or 1080p material only the central 1776x1000
>> pixels are presented to the viewer. For 720p material it is only the central
>> 1152x648 pixels."
>>
>> I hope that doesn't mean that I have to scale HD video up in order to
>> correctly display it on my 1920x1080 LCD.
>>     
>
> I would take with a grain of salt some source from Wikipedia..
>
> My direct experience with various 720p and 1080p displays show that
> they always display precisely that. Not this 1152x648 or 1776x1000
> nonsense...
>
>   
If only we had dropped interlacing when we went HD and specified a 
bandwidth limited signal in the vertical direction as well as the 
horizontal, then we could scale to our hearts content without worrying 
about anything other than Nyquist.