What are our options for edge blending multiple projectors? - AVS Forum
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post #1 of 16 Old 08-11-2010, 01:33 PM - Thread Starter
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EDIT:

I have purchased warpalizer and I am very happy with it! Here is my setup using a couple of games edgeblended with two 1080p projectors.
http://www.youtube.com/watch?v=HWm9PtzWvko
http://www.youtube.com/watch?v=x-LNm60np9U

Please PM me if you have any questions!

============================================================ =========================================


Hi Everyone,

Currently I have two Mitsubishi HC3800 projectors and I want to run them together for a super wide setup for my eyefinity gaming. I have been looking around for edge blending solutions and the best I can find is:

1)Sol7 Immersaview which is a software solution that costs north of $4,000

2)Mviewer that is a hardware solution that costs around $1,900
http://www.dhgate.com/p_ff808081289b...1144158.html#0
http://www.widescreengamingforum.com...p?f=65&t=18394

I don't wanna spend that much money!! Are there any better cheaper solutions out there? I am running windows 7 64 bit OS.
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post #2 of 16 Old 08-11-2010, 01:39 PM
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Used too you could do it with vlc... however, you arent' playing movies, you are playing games.


You will probably need a dedicated hardware box, why not just mount them as cloase as you can and deal with a small black stripe, you realize edge blending digitals will never be perfect. Especially with HC3800's.
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post #3 of 16 Old 08-13-2010, 07:04 AM
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Probably the least expensive hardware solution is the TV-One Corio C2-260

http://www.tvone.com/edgeblending.shtml

http://www.tvone.com/c2-260-main.shtml

http://www.bhphotovideo.com/c/search...tialSearch=yes

We use Corios quite a bit at our company, including the 260, but I've never used the edge blending modes before.

Hope this helps,

Jonathan
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post #4 of 16 Old 08-13-2010, 07:35 AM - Thread Starter
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Hi Jr, thanks for the post! I am a bit confused as I am not sure how the c2-260 would work. Would I need to install that in another PCI slot? Would that work for gaming?

Anyway, here is another video of that other scaler in action. It looks great, but I just wish the price was lower
http://v.ku6.com/show/wSmElYAISRMsnsJZ.html
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post #5 of 16 Old 08-13-2010, 08:23 AM
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You should check out the following
http://nthusim.com/
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post #6 of 16 Old 08-13-2010, 06:31 PM - Thread Starter
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Quote:
Originally Posted by Bal View Post

You should check out the following
http://nthusim.com/

Way ahead of you
http://nthusim.com/forum-topic/i-am-...anks-any-input

The problem is Nthusim does not do edge blending! It only allows edge butting which leaves the seam!
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post #7 of 16 Old 08-14-2010, 08:01 PM
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Quote:
Originally Posted by l88bastard View Post

Hi Jr, thanks for the post! I am a bit confused as I am not sure how the c2-260 would work. Would I need to install that in another PCI slot? Would that work for gaming?

The c2-260 only occupies a PCI slot for power. The input, output, and RS-232 are on the breakout cable.

Looking more closely at the edge blending specs, you would need 2 of these cards, so about $1500 for this solution.

Jonathan
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post #8 of 16 Old 08-16-2010, 06:52 AM
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Quote:
Originally Posted by l88bastard View Post

Way ahead of you
http://nthusim.com/forum-topic/i-am-...anks-any-input

The problem is Nthusim does not do edge blending! It only allows edge butting which leaves the seam!


Why do you care about leaving a seam? You are going to see overlap with a digital projector unless it has some HUGE contrast ratio... Wait till it fades to black, you'll see it.


You realize bulbs wear differently, some bulbs go dim at 1,000 hours, while others will make it 1500... You might be changing 2 bulbs once or twice a year.
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post #9 of 16 Old 08-16-2010, 10:18 AM
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I would go with a 1 pixel overlap to start and see how you like it. The double brightness pixels shoudl only be noticable in dark scenes. If you really wan to edge blend then you can tackle that once you decice its worth it to fix it.
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post #10 of 16 Old 10-23-2010, 03:03 PM
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Is the blend zone visible with Warpalizer? That is the biggest issue with blending pjs especially digitals.

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post #11 of 16 Old 10-24-2010, 11:51 AM
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Looks good. I alerted Nash to get an experts opinion on the software. I have some CRTs that I would consider using it on.

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post #12 of 16 Old 10-24-2010, 12:45 PM
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The Warpalizer program looks really nice. Looks like you need add on modules for the color management which is really nice. especially for getting gamma correction in the blend zone. Which is key to a seamless blend. Digital's are much easier to blend than CRTs for sure as there is no roll off of output at the edges like a CRT Projector has.

The use of active cameras at all times for the color management system is really neat. I was reading up on it and it look s like you need a PJ that has built in CMS that the software talks to and makes adjustments to as the bulbs age etc. neat Idea. not very practical for Home Theater use though, however id have to see how it's done with placement etc.

Look like really good work from you guys. I'm more of a hardware blender using the TV-One stand alone units. These have gamma control for in the blend zone.

The external box solution in this thread id like to try some time with a Blu ray source.

I wonder if they'd send one out for evaluation.

Athanasios


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post #13 of 16 Old 10-24-2010, 01:49 PM
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http://www.univisual.se/home/
I got a quote from them for about $450, and they will let you test the software before you buy it if you get in contact with them.

And then there is
http://scalabledisplay.com/products/...calabledesktop
Crazy expensive I'm sure, I am calling them on monday to see if they have something for residential use.

Multi-Projector Edge-Blending & Geometry correction for games and simulations.

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post #14 of 16 Old 10-24-2010, 02:07 PM
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No I am talking about the MP102-DVI Dual-channel .

Athanasios


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post #15 of 16 Old 10-25-2010, 04:23 AM
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I heard that after using software, such as Warpalizer, to warp the image to fit a curved screen, that there is alittle image quality loss. is anyone out there using a curved screen that can confirm this and how bad the degradation is?

Multi-Projector Edge-Blending & Geometry correction for games and simulations.

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post #16 of 16 Old 10-28-2010, 05:16 AM
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Warpalizer can't move or resize the physical pixels in the projector so there will be some degradation depending on how much curvature your screen have and how many projectors you use to fill the screen.

Usually this degradation is very hard to see.
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