[mythtv-users] OT: HDTV TV's

Warren warren-lists at icruise.com
Thu May 11 12:59:53 EDT 2006

Greg Woods wrote:

>On Thu, 2006-05-11 at 11:54 -0400, Michael T. Dean wrote:
>>On 05/11/2006 09:42 AM, Greg Woods wrote:
>>>You can't even count on what the manual says either. The manual for my
>>>Pioneer PRO-R06 says that it's 1024x768 resolution, but EDID shows that
>>>it can also do 1280x768, and in fact that works in X.
>>Input signal !>>    
>I don't know enough about all this stuff to understand what you mean
>here (if I did, I'd probably have HD working by now). 
>What I do know is, when I first turn on a signal, or switch inputs on
>the TV, the TV will display the type of signal. I always assumed that
>was the type of signal it was receiving, but maybe I'm wrong?
>With X/VGA input, using the 1280x768 modeline, it says it's "Standard
>FULL2", and it displays full 16:9 screen, which results in a "stretched"
>picture since the recording being displayed came from an analog channel
>( via PVR-500 card) and is therefore a 4:3 image. But it does nicely
>fill the screen. (It's actually better for watching hockey games because
>the bigger picture allows one to see the puck better, but it looks
>strange if it's a show with a lot of closeups; everybody looks really
>fat :-). If I use the 1024x768 modeline, it says it is "Standard 4:3"
>and uses the gray bars on the sides. If I display an HD channel from the
>Comcast box via HDMI, the TV says it's "1080i". I wish I understood what
>all this means )-:
>mythtv-users mailing list
>mythtv-users at mythtv.org
1080i means that it is getting a picture that is 1920x1080 pixels but it 
is interlaced, meaning that of the 1080 horizontal lines you first get 
the odd ones then the even ones.  If you closely at a thin horizontal 
line you will see the flicker of the interlacing.

As for your VGA input, 1024x768 is a standard input for a VGA (4x3) 
monitor.  1024 pixels across by 768 down.  When you change to 1280x768, 
you still have 768 down but have gone from 1024 to 1280 across, so your 
TV assumes that this is a wide screen picture since it has all of the 
extra information going across.

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