[mythtv-users] 5200 or 6200

Kirk Bocek t004 at kbocek.com
Tue Jan 23 21:48:57 UTC 2007

Thanks for the detailed response, Jarod.

I *assumed* that MythTV would scale the output. But many of my assumption have
come back to bite me in the ass! :)

I *assume* that 1080i/p native and 1080i/p scaled to 768p will look pretty
much the same, even on a 50"+ screen.

Jarod Wilson wrote:
> Kirk Bocek wrote:
>> Jarod, I somehow got the impression when reading your HD guide and others,
>> that 1080i and 1080p are *not* the same thing as vertical resolution on a PC.
>> That's why I asked the question.
> Ah, okay. No, they're the same thing. If you're truly pushing a set at 
> 1080p, you're running a 1920x1080, progressive-scan resolution. Now, you 
> *can* run lower resolutions inside the same timings as a higher 
> resolution to combat overscan issues, so I see where the confusion comes 
> from, but no, I'm running straight-up 1920x1080p, which fits the display 
> perfectly (the beauty of a purely digital DVI connection).
>> Most of the HD screens I've looked at top out the vertical PC resolution
>> they'll accept at 768.
> In which case, you're likely powering the set with something like a 
> 1366x768 progressive-scan mode (which is what the smaller HDTV in my 
> bedroom takes. :)
>> I'm wondering if I can play 1080i/p programming if I
>> have a MythTV box hooked up at this resolution.
> As long as you have the horsepower and display, you can play back HDTV 
> content at whatever output resolution you like. I did a demo w/a Myth 
> box playing 1080i and 720p content inside a projector's native 1024x768 
> resolution the other day. Myth just scales the video accordingly.
> --jarod
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