[mythtv-users] giving back...

Steven Adeff adeffs.mythtv at gmail.com
Mon Apr 3 12:06:43 UTC 2006


On 4/2/06, Michael T. Dean <mtdean at thirdcontact.com> wrote:
> On 04/02/2006 06:48 PM, Steven Adeff wrote:
>
> >On 4/2/06, Michael T. Dean <mtdean at thirdcontact.com> wrote:
> >
> >
> >>It's 1080p, and it's beauuuuuutiful! (The "8" in HL-Rxx68W stands for
> >>1080p.  HL-Rxx67W is 720p.)
> >>
> >awesome, do you feed it via HDMI or does it have a VGA input?
> >
> >
>
> VGA.  With proper timings for that TV, DVI at 1920x1080 progressive
> requires dual-link DVI.  Samsung used single-link DVI inputs because few
> video cards supported dual-link at the time of the release.
>
> >also, have you noticed any audio sync issues with 1080i input material
> >from like an xbox or dvd player?
> >
>
> My only output that's better than NTSC is on my Myth box (which uses
> VGA).  Using a PS2 with NTSC output, I couldn't see any sync issues, but
> if improperly configured, you will see them.  I.e. you have to change
> the name of the input to "Game" (whichever input you connect the game
> to) to get it to work on some of the inputs.  At avsforum, a lot of
> people talked about issues, but I think it's just their config.  There's
> a nice little thread with all the info you might want at
> http://www.avsforum.com/avs-vb/showthread.php?t=559872 (currently 311
> pages).

great, thats where I was reading and heard the audiosync complaints,
I'll have to read through that thread(311 pages!)... I'll want to be
able to connect 1080p devices HD-DVD and/or possibly a PS3(?) to HDMI
so I'll have to wait for this to be possible.

> I don't know how well it works with the XBox360's 720p, though...  You
> can specify GAME mode for the component (as well as composite) inputs,
> but GAME mode only supports 480i on composite...  If you want to buy me
> a 360, I'll let you know if it works.  :)
>
> I know, though, that the only processing the Xilleon does on the VGA
> input is scaling (and you can "unscale" it).  It scales to 95% of
> visible area (or so) to allow you to see the entire desktop.  I just
> scaled it up, which means that it scales to some other size, instead.

so it has "scale up", "scale down" and "off"?

> Also, the best part about it is that 720p input signals actually look
> better on a 1080p TV than on a 720p TV that's using a 1:1 pixel ratio.
> Sampling theory says that to fully portray a given image, the output
> resolution must be greater than the input resolution.  A rough
> rule-of-thumb says that 2:1 (output:input) ratio should give excellent
> quality, but it's actually noticeable even when displaying 720p on 1080p.

Thanks!
--
Steve


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