Hi guys, or should I say gurus,
I have a progressive scan DVD and an LCD projector. Can I connect my DVD component to LCD projector using one of those component to vga cables, will it work? And if it does work, can I activate Progressive scan on my DVD when connected to my projector?
Thanks guys.
I have a progressive scan DVD and an LCD projector. Can I connect my DVD component to LCD projector using one of those component to vga cables, will it work? And if it does work, can I activate Progressive scan on my DVD when connected to my projector?
Thanks guys.
It depends on what projector you have. Some projectors can take component on the VGA input while others can't.
Not all projectors that can take component on the VGA input are able to accept progressive scan. Sony VPL-CS1, CX1 and newer in that series can't take progressive scan on the VGA input.
Tor Arne
Not all projectors that can take component on the VGA input are able to accept progressive scan. Sony VPL-CS1, CX1 and newer in that series can't take progressive scan on the VGA input.
Tor Arne
you are right, it did work, but not the progressive scan.
I connect my projector vga to dvd component, and it projected (interlace), very clearly I might add.
But when I activate the progressive scan from my DVD player, the projector came out split, and sort of ,interlaced images of the movie, so in a way it project but not correctly.
wonder why?
I connect my projector vga to dvd component, and it projected (interlace), very clearly I might add.
But when I activate the progressive scan from my DVD player, the projector came out split, and sort of ,interlaced images of the movie, so in a way it project but not correctly.
wonder why?
Interesting question, the answer of course is entirely dependent on the particular projector.
If your projector has a VGA input chances are it will accept a progressive input. It seems unlikely to me that a projector would be built with a predilection for interlace signals.
It has to be 15 or more years since anyone has done an interlace video display and I cant think of any interlace computer formats that weren’t composite.
So its puzzling that you seem to get OK performance in interlace but not composite. I just re-read Thor comments about the Sony projectors...
Can you feed the output of your PC to the projector and try sending both 640x480, or better yet 720x486? This would represent a VGA signal which is GBR, Hs, Vs as opposed to the Y, Pb,Pr signal from the DVD. Then hopefully you can try both 30 fps and 60 fps settings. (25, 50 if U R in England)
This should help you zero in on issues if they are format, or bandwidth limitations of the projector.
-Dave
If your projector has a VGA input chances are it will accept a progressive input. It seems unlikely to me that a projector would be built with a predilection for interlace signals.
It has to be 15 or more years since anyone has done an interlace video display and I cant think of any interlace computer formats that weren’t composite.
So its puzzling that you seem to get OK performance in interlace but not composite. I just re-read Thor comments about the Sony projectors...
Can you feed the output of your PC to the projector and try sending both 640x480, or better yet 720x486? This would represent a VGA signal which is GBR, Hs, Vs as opposed to the Y, Pb,Pr signal from the DVD. Then hopefully you can try both 30 fps and 60 fps settings. (25, 50 if U R in England)
This should help you zero in on issues if they are format, or bandwidth limitations of the projector.
-Dave
^^^^^ Ditto. This has nothing to do with your projector. What is this "adapter" you have? I assumed you were refering to devices that convert component video to VGA. Your "device" is at fault. Appearantly, it won't accept progressive scan signals. I have a Viewsonic N6 that does the conversion for me. It was very expensive, but it supports HD signals, and has other features so it was worth it for me. I've seen component to RGB converters for about $150 at the cheapest. People have posted links to them on this forum.
If you can use a PC, then that is w/o a doubt your best bet. No progressive scan DVD player will quite match the purity of using a DVD-rom w/ software player.
A lot of people have asked about this. They have a nice prog-scan DVD player that they probably spent good money on and they want to use it on their projector. Unfortunately, your going to have to spend money to do this. YOu have four options:
1) Buy a real converter for $150-200. There are no "adapters". There is an active process involved in converting the signals. Component and VGA are different. Expect some quality loss in this process. Not really noticable, but there.
2) Use a PC (HTPC). You can get a DVD-Rom at CompUSA for $10 (although you'll probably want something a little more reliable). The good thing is that you'll get the best picture quality possible. Problem is you need to dedicate a computer and make sure it's booted up, etc.
3) Complicated, but hear me out. Buy an Xbox for $200 and install a modchip (a legal one). Then you download and apply the completely legal progressive-scan patcher (www.xbox-scene.com has all the info and links). I'm not making this up. As a business decision, Microsoft decided to not support progressive scan output for DVD movies, even though the games can support 480P, 720P and 1080I. It's so stupid. You don't even have to use the patch. All you do is open up the xbox dashboard file (you'll need a program called evolutionX to transfer files to and from your Xbox harddrive) with a hex editor and search for a particular string (found in the forums of the site I posted), and then you just change a 2 to a 4. Now you have a progressive-scan DVD player. How stupidly simple is that? Then you buy a true VGA cable (around $80), or make one yourself (schematics can be found- just search the forums). It's more money, but you'll get a nice gaming console out of it as a bonus. The reason the Xbox is different than regular prog-scan DVD players is that the Xbox can actually output RGB signals (unofficially of course). There are also media players, web browsers, Linux OSes, and all kinds of stuff you can put on your Xbox. Someone's even making PVR for it! It's a very nice home theatre alternative to using a PC.
4) Buy a progressive scan DVD-player that has a VGA output. They exist. I just don't know where.
If you can use a PC, then that is w/o a doubt your best bet. No progressive scan DVD player will quite match the purity of using a DVD-rom w/ software player.
A lot of people have asked about this. They have a nice prog-scan DVD player that they probably spent good money on and they want to use it on their projector. Unfortunately, your going to have to spend money to do this. YOu have four options:
1) Buy a real converter for $150-200. There are no "adapters". There is an active process involved in converting the signals. Component and VGA are different. Expect some quality loss in this process. Not really noticable, but there.
2) Use a PC (HTPC). You can get a DVD-Rom at CompUSA for $10 (although you'll probably want something a little more reliable). The good thing is that you'll get the best picture quality possible. Problem is you need to dedicate a computer and make sure it's booted up, etc.
3) Complicated, but hear me out. Buy an Xbox for $200 and install a modchip (a legal one). Then you download and apply the completely legal progressive-scan patcher (www.xbox-scene.com has all the info and links). I'm not making this up. As a business decision, Microsoft decided to not support progressive scan output for DVD movies, even though the games can support 480P, 720P and 1080I. It's so stupid. You don't even have to use the patch. All you do is open up the xbox dashboard file (you'll need a program called evolutionX to transfer files to and from your Xbox harddrive) with a hex editor and search for a particular string (found in the forums of the site I posted), and then you just change a 2 to a 4. Now you have a progressive-scan DVD player. How stupidly simple is that? Then you buy a true VGA cable (around $80), or make one yourself (schematics can be found- just search the forums). It's more money, but you'll get a nice gaming console out of it as a bonus. The reason the Xbox is different than regular prog-scan DVD players is that the Xbox can actually output RGB signals (unofficially of course). There are also media players, web browsers, Linux OSes, and all kinds of stuff you can put on your Xbox. Someone's even making PVR for it! It's a very nice home theatre alternative to using a PC.
4) Buy a progressive scan DVD-player that has a VGA output. They exist. I just don't know where.
tahustvedt said:
How can any projector/TV/monitor accept Y,Pb,Pr through an RGB VGA input? News to me.
Some projectors have the option of inputting component on the VGA-input. Usually they auto-detect if the signal is RGB or Y-Pb-Pr. It's common with digital projectors.
Tor Arne
Tor Arne
So what kind of projector are we talking about here?
Is it a Hughes-JVC light valve?
http://pro.jvc.com/prof/Attributes/features.jsp?tree=&searchModel=&model_id=MDL101275
Is it an Eidophor?
http://pyanczer.home.mindspring.com/Tour/eidophor.html
You seem to indicate that the projector doe accept the color difference input on the VGA connector. There are a number ways that the projector could automatically determining that it is receiving color diff instead of GBR,Hs,Vs. More curious is that it defaults to interlace instead of progressive. Until recently color difference was almost exclusively interlace and VGA progressive. Could be the projector is trying to be helpful. We may just need to figure out how to persuade it to do what you want, not what it thinks you want it to do.
The tests I suggested in my earlier post were intended to help us learn some more about the characteristics of your projector. HTPC is one way to go, but I think it would also be cool to let you use your existing p-scan DVD.
-Dave
Is it a Hughes-JVC light valve?
http://pro.jvc.com/prof/Attributes/features.jsp?tree=&searchModel=&model_id=MDL101275
Is it an Eidophor?
http://pyanczer.home.mindspring.com/Tour/eidophor.html
You seem to indicate that the projector doe accept the color difference input on the VGA connector. There are a number ways that the projector could automatically determining that it is receiving color diff instead of GBR,Hs,Vs. More curious is that it defaults to interlace instead of progressive. Until recently color difference was almost exclusively interlace and VGA progressive. Could be the projector is trying to be helpful. We may just need to figure out how to persuade it to do what you want, not what it thinks you want it to do.
The tests I suggested in my earlier post were intended to help us learn some more about the characteristics of your projector. HTPC is one way to go, but I think it would also be cool to let you use your existing p-scan DVD.
-Dave
- Status
- Not open for further replies.