[opendtv] Re: Samsung Rep admits HDMI won't support 1080p until v.1.3
- From: Craig Birkmaier <craig@xxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Thu, 10 Nov 2005 13:01:25 -0500
At 9:28 AM -0500 11/10/05, Tom Barry wrote:
>Craig Birkmaier wrote:
> > Cost is not the issue. The issue is whether you will see any
> > additional benefit from a 1080@60P display, and what impact it will
> > have on the delivered image quality. That is, will it look better, or
> > worse because there is not enough bandwidth to compress all of the
> > potential detail.
> >
>
>Bandwidth is mostly (except maybe HDMI) the issue because we are talking
> display format here, not transmission format.
NO. I am talking about transmission bandwidth. If you are only
talking about the display, then you must be assuming that all sources
will be upconverted to 1920 x 1080@60P for display.
But you have been talking about receiver 1080@60P content, and that
requires some form of distribution.
>
> > I think you need to actually experience what it is like to sit 9 feet
> > from a screen that is four feet high. For one thing, this is well
> > inside the designed viewing distance of 3.3 picture heights (i.e.
> > 13.2 feet). You would most likely see the rater at 9 feet, and would
> > probably be uncomfortable watching at this distance. IF you want to
> > experience this, sit in the first row of the theater, the next time
> > you go to the local cinema.
>
>If I want to experience this I can reach out from where I sit and move
>the zoom control. Yes, I can see the raster but that just makes the
>point I'd need a higher rez display if I wanted it at 4 feet high and
>this seating distance.
I think you are still missing the point. This is a psychovisual
issue. It makes people uncomfortable. Try it in a theater.
>
> >>> And MPEG-2 is already outdated. You will never deliver decent quality
> >>> 1920 x 1080@60P via a 19.3 MBps ATSC channel, unless the camera is
> >> > out of focus.
> >>
> >>Oxymoronic, but also true I guess. ;-)
> >
> > No oxymoron here.
>
>Sorry but "high quality out of focus picture" does seem humorously
>oxymoronic to me. (some artistic license excluded)
>
I was not understanding your meaning. I do see the humor now.
Regards
Craig
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