Where to get a Projection Panel With Composite Video In

[mikekniner]

Hey
I've been looking for a panel for an OHP setup but I can't find an LCD projection panel that has composite video input only computer input and I would like to hook up ps2, satellite stuff to it aswell. I've looked all over Ebay but none of them have composite video in only computer input! Does anyone know were I could get one with Composite video in??

 

[tahustvedt]

A composite connection is the worst connection you can possibly use. It would be much better to run the PS2 through a computer with a video capture card and DScaler and then out to the LCD-panel using RGBHV or DVI.


Tor Arne

 

[mikekniner]

Is there any simpler method like a cable that has composite in at one end and vga out on the other thats not too expensive?

 

[tahustvedt]

You can use a transcoder. They can convert video-signals to VGA. You can select which resolution to output and they are very simple to use, just plug-and-play usually. I don't remember any models right now.


Tor Arne

 

[tahustvedt]

This is what I'm talking about. A cheap(ish) box that converts and line-doubles video-signals and sends them out as either RGBHV (VGA) or progresive scan component.

Resolutions: VGA 640x480, SVGA 800x600, XGA 1024x768 and SXGA 1280x1024

Link:
http://www.avtoolbox.com/avt-3700.htm

There are also cheaper models in the $100-150 range but I don't remember what they are called.


Tor Arne

 

[Bagger]

Well Mike, I'm not sure if they have Best Buy stores in Canada, but here's a nice unit that is selling for $129 after a $30 rebate at Best Buy:
http://www.bestbuy.com/Detail.asp?m=488&cat=497&scat=498&e=11121249

 

[irfan5911]

It was mentioned earlier that composite input into a projector panel sucks. What about S-Video? is that any good?

thanks

 

[Rainer]

Video In sucks

Please can someone explain why video in sucks generally.
I can't find in the whole posts the explainig stuff.

When i have no "macrovision" problem because i only
want to play DIVx on a tvout graphics card.

Will this "flicker" a lot. (Especially interested in PAL )

Does an Proxima, Sharp or whatelse have no simple
Line Doublers included and flicker because of this
reason

Or is this only a "quality" reason

Please can someone explain this a bit

 

[mikekniner]

those transcoders are expensive, im going to research to see if I can find some cheaper ways to do what I want because 150+ for something like that isn't really worth it when the value goes over the entire projector

 

[GrauWolf]

Anyone feel free to correct any of this, this is my general understanding of stuff...;

The quality factor kinda goes like this..

Best: S-Video
Good: Component RGB
Fair: Composite
Poor: Coaxial.

The reason composite is so poor in quality is because it combines all three channels of video into one. All three colours. It is a step up from coaxial, but not the best.

Component video is just what it sounds like. Three cables. One for each primary, RGB. Generaly sheilded better as well from interference.

S-Video does similer to above, using a combined cable in a smaller, easier to handle package. More reliable, better sheilding.

Most LCD modules that I, personaly, have found have been composite in or s-video. Even for the ones that only have Composite, I would end up using the s-video out from my DVD player and use an adapter to turn it into composite. It downgrades the quality, but you already have a good, clean signal coming out.

 

[Rainer]

Thanx for this excurs in the video world.
I understand that.


Okay, but what about "flicker"
Will those old panels will do a smooth flickerless
picture over composite video or not.

I think they have no line doubler included
But this is only an estamination.

I only want to know if i can watch it without
hard "flickering"

That's all

 

[tahustvedt]

Anyone feel free to correct any of this, this is my general understanding of stuff...;

The quality factor kinda goes like this..

Best: S-Video
Good: Component RGB
Fair: Composite
Poor: Coaxial.

This is the right order for video-signals:

1 (best): DVI from computer
2: RGBHV (VGA) from computer
3: Progressive scan Component
3: Interlaced Component or RGB
4: S-video
5 (worst): Composite

Progressive scan component is very good! RGB (SCART) is not available in progressive scan (yet?).

Interlaced component and RGB (SCART) are about equal in quality. They both split the video-signal over three cables, but they do it differently. Component splits the signal into one luminance signal, and two chrominance signas. RGB is obviously red, green and blue.

S-video (split-video) splits the signal into chrominance and luminance (color and brightness). S-video can only transmit interlaced signals of either PAL (576 lines) or NTSC (480 lines) resolution.

Composite is all the signals combined into one. It's the worst possible video signal. Although RF (coaxial as you called it) is even worse, but that's not really a video-signal as you need a tuner to view it.


Tor Arne

 

[Rainer]

Last try

This is a really good quality list.
Thanx

Would someone be so kind and nevertheless answer
about the question

"Does a normal Panel has Line Doubler capabilities included
at the composite input "

Yes or Not.

I want to know if i can look with a signal at the composite in
or if i MUST to buy a video / vga converter on top
which did the same job but only better.
( with a progressive or line doubling methode )

- i knew this macrovision removing.
for me unimportant.
- i have no pc in the living room. And wíll not in the moment.

But when the buildin composite inputs will "flicker"
at Pal (50 frames) i didn't have to look for a panel
with a video in. Then a panel with only VGA is ok and i
have to buy some XGA Theatre on top.

Is this question so hard to answer.
Please ......