| Måns Rullgård 2007-12-16, 7:20 am |
| phil-news-nospam@ipal.net writes:
> In alt.tv.tech.hdtv M?ns Rullg?rd <mans@mansr.com> wrote:
> | Glenn Millar <usenet@glennmillar.plus.com> writes:
> |
> |> Scott Alfter wrote:
> |>> In article <13m8jp1dehh98e3@corp.supernews.com>,
> |>> Glenn Millar <usenet@glennmillar.plus.com> wrote:
> |>>> In reality, you wouldn't want to use the HDMI connection to connect
> |>>> a PC. The best results on my 50" samsung is via the VGA
> |>>> connector. That way I get full 1360x768@30hz progressive whereas
> |>>> 720p or 1080i is in actually a lesser resolution.
> |>> There's no reason you can't use the same modeline over DVI or
> |>> HDMI that you would use with VGA. On the contrary, in my
> |>> experience it's been much easier to get LCDs working on a
> |>> digital connection than on an analog connection. LCDs sold for
> |>> computer use have a button on them that usually allows them to
> |>> sync up to a VGA signal, but LCD TVs rarely have this option.
> |>> To get a 1:1 correspondence between pixels in the framebuffer
> |>> and pixels on the screen, you then have to do extensive
> |>> tinkering with modelines...and you might never come up with a
> |>> working modeline. My TV has a native resolution of 1280x768. I
> |>> generated a modeline for that resolution at 60 Hz and plugged it
> |>> into xorg.conf, and over DVI, it Just Works.
> |>
> |> Your experience may well be correct with other LCD or Plasma TV's but
> |> my reply was in relation to the Samsung screens. They don't like being
> |> connected to a PC via HDMI. If someone get a profile for PowerStrip
> |> that works correctly with a samsung i'd like a copy.
> |
> | My Samsung TV (LE26R41BD, panel resolution 1366x768) happily accepts
> | any reasonable input over HDMI. If queried, it claims to only support
> | the usual HDTV modes (720x480/576, 1280x720, 1920x1080i), but if
> | another mode is forced it works just fine. For the VGA input, all the
> | usual adjustments are possible through the onscreen menu.
>
> Any chance it "works just fine" on frame rates below 50 Hz, like maybe at
> 24 Hz?
I haven't tried, so I don't know.
--
Måns Rullgård
mans@mansr.com
|