[mythtv-users] [OT] *Real* High-Def TV!

[Dave]

On 5/22/05, Joe Barnhart <joebarnhart at yahoo.com> wrote:
> 
> --- Matt Mossholder <matt at mossholder.com> wrote:
> 
> > It's my understanding that this is a limitation of HDMI/DVI, not
> > something that Samsung chose not to implement. It doesn't support
> > enough
> > bandwidth to do 1080p.
> 
> I think you are correct.  There was a good article about DVI on Tom's
> Hardware some time ago.  They say that it requires a "dual link" card
> and device to achieve very high resolutions:
> 
> http://graphics.tomshardware.com/graphic/20041129/tft_connection-06.html
> 
> 
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> 
I believe this statement is incorrect.

1080i and 1080p (the ones specified by the ATSC standard at least)
require the same amount of bandwidth.
1080i is transmitted at 60 fields/sec, which is equivalent (as a field
is half a frame) to 30 frames/sec
1080p is transmitted at 30 frames/sec

1080p/60 frames/sec is NOT an ATSC standard.

Hope this helps
Dave