[mythtv-users] Blending/spanning two crt projectors using myth and nvidia nview

[Steven Adeff]

On 2/22/06, match at ece.utah.edu <match at ece.utah.edu> wrote:
> On 21 Feb 2006 at 16:31, Steven Adeff wrote:
>
> > First, since these are front projectors theres no need to go above
> > 1080p for HD content,
>
> What? I'm really struggling to understand your logic here. My Marquee will
> display 2500 X 2000... content notwithstanding, what does this have to do
> with the fact that it's a front projector?

rear projection, plasma, etc all have fixed resolution options but are
not necesarily 1920x1080, front projectors allow for a more varying
number of resolutions.


> > so 1920x1080p would be the max your going to
> > want to drive with the two in parallel. Running a higher resolution
> > will not do you anything since it will require a processor to upsample
> > the content which is pointless for you.
>
> Maybe so, and maybe no.
>
> I drive my projector from two different computers. The other computer is a
> WinXP box with an ATI 7500 card. I let that box upsample everything. Even
> NTSC sources look good at 2100 x 1575 or so.

sure, go for it, but your going to start noticing upscale issues that
you don't need to bother with if you just run at 1080p.


> BTW, the WinXP picture is superior to my Myth box with an nVidia 5200...

too many variables to make your observation mean anything.

--
Steve