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ElTopo
Joined: 07 Nov 2006
Posts: 1640
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| Posted: Tue Dec 18, 2007 3:23 pm Post subject: Which graphic card for edge blending ???? |
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Hi all,
got my 2 brand new BG 808lc units and want to start a blend.
I read about nvidia Quadro FX cards which are able to do edge blending.
Someone tested this already ? Are there any other cards avail. with edge blending ?
thanks a lot
ElTopo
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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Chuchuf
Joined: 11 Mar 2006
Posts: 548
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| Posted: Tue Dec 18, 2007 3:45 pm Post subject: |
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ElTopo,
I (and others) have tested the blending on the quadro cards a few years ago and while they will edge blend, the results just aren't good or worth going after. There are some vertical white lines that no matter what you do you can't get rid of.
We contacted NVidia with out results and problems and they basically said go away.
Terry
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ElTopo
Joined: 07 Nov 2006
Posts: 1640
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| Posted: Tue Dec 18, 2007 3:53 pm Post subject: |
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So no chance in the graphic card sector ? Any other choices besides the BlendZilla ?
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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Moose
Joined: 09 Mar 2006
Posts: 788
Location: Minnesota
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| Posted: Tue Dec 18, 2007 4:01 pm Post subject: |
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The card you need is the TVONE C2-260. It upscales only; if you need downscaling, it's not for you. This is the link : http://www.tvone.com/c2-260-main.shtml. This card uses your PC only as a power supply. You must connect to it via an HD-40 connector set that is included. There is no digital input or output. Be aware that it is not HDCP compliant; you must take care of that externally. The nice thing about the C2-260 is that it is firmware based and upgradeable.
TVONE is supposed to be developing an external blending box. I don't know when (of if) this will be available or what it will cost (hopefully less than a pair of C2-260's). Such a box would allow any scalers to be used. MadMrH uses a TVONE C2-7200 dual scaler in his blended system. The same firmware is used on every TVONE blending scaler so you should be able to get as good a blend with the cheaper versions as the expensive ones.
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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| Posted: Tue Dec 18, 2007 4:17 pm Post subject: |
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Yes Andy and I have been asking TV-0ne for a HDCP compliant striped down version of the C2-7000 series or the C2-2250 series. Thee would do away with all the production features that do not allow thier scaler to use HDCP. The rule of hdcp do not allow for any alterations to the original content as in added text or any other changes like that. this is why the DiVentix 8022 and the TV-one scaler are not HDCP.
One of the exec's at tv-one said they will begin work on it as soon as they finish a specific scaler application for a large customer. Hopefully it is close to completion.
Athanasios
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yonexsp
Joined: 25 Apr 2006
Posts: 311
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| Posted: Tue Dec 18, 2007 7:33 pm Post subject: |
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| ElTopo wrote: | | So no chance in the graphic card sector ? Any other choices besides the BlendZilla ? |
I tested a external unit 18 months ago from a European company called cyviz, the xêd.1 that could be used with any Video card as long as it had 2 output's.
It worked really well and threw some amazing images. I think there are some pots on this site and avs as i was testing. At that time, it was a discontinued item and the manufacturer wanted something like $2k or so for it. But that was 18months ago.
Who knows, maybe they are still gathering dust at the companies offices. I can dig up the rep's email contact when I get home if you want?
Edit: a Link to the original posts http://www.avsforum.com/avs-vb/showthread.php?p=8217446
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ElTopo
Joined: 07 Nov 2006
Posts: 1640
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| Posted: Tue Dec 18, 2007 7:51 pm Post subject: |
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Hey yonexsp,
what blend solution do you have at the moment ?
Any guide available if you have one with your solution ?
I mailed them today, maybe i get a response the next days....
thx
ElTopo
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yonexsp
Joined: 25 Apr 2006
Posts: 311
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| Posted: Tue Dec 18, 2007 8:11 pm Post subject: |
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| ElTopo wrote: | Hey yonexsp,
what blend solution do you have at the moment ?
Any guide available if you have one with your solution ?
I mailed them today, maybe i get a response the next days....
thx
ElTopo |
No solution right now. Single NEC XGLC. Though with the advent of PowerDVD and AnyDVD removing the HDCP issue, and cheap HD Capable Video cards, Dual processors and cable card capture cards, it might be worth a look at again.
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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yonexsp
Joined: 25 Apr 2006
Posts: 311
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| Posted: Tue Dec 18, 2007 8:41 pm Post subject: |
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| Nashou66 wrote: | Yonexsp, maybe once i decide on which blend unit to get you could come on down and share some of your experince with me and give me a hand? 
Athanasios |
That would be good, your not that far from me, probably 2 - 3 hrs door to door.
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ElTopo
Joined: 07 Nov 2006
Posts: 1640
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| Posted: Sat Dec 22, 2007 12:07 pm Post subject: |
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Guys,
what do you think about taking a new nvidia Quadro FX and put the SEMU units inside the Barco's ?
Does this work ?
- Quadro for "splitting" the picture
- SEMU for adjusting the picture to a blend
ElTopo
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mp20748
Joined: 12 Sep 2006
Posts: 5689
Location: Maryland
TV/Projector: 9500LC Ultra / Super 02 and 03 VIM
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| Posted: Sat Dec 22, 2007 1:04 pm Post subject: |
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| ElTopo wrote: | Guys,
what do you think about taking a new nvidia Quadro FX and put the SEMU units inside the Barco's ?
Does this work ?
- Quadro for "splitting" the picture
- SEMU for adjusting the picture to a blend
ElTopo |
Yep, me think that would be the best way to go with those two graphic cards. And doing the blend in the 909's would make for a cleaner blend for sure.. However, the 909's SEMU is neither user friendly, or one of the best blend systems.
I think for the average tinkerer, SEMU would be fine. Because they would have the time and access to devote to making the best of it.
I was just upstate New Jersey working on a 909 blend system. Not something I look forward to. It's not one of the blend systems I can use one of my tricks on to help me wrap things up nicely in a reasonable time frame. Unlike the external blend units, where you can connect a scope (left ch1 / right ch2) to both projectors (green - BNC) and look at the blend zone roll-off on the scope. This helps in allowing you to see exactly what you're doing to the blend zone electronically, and helps in determining if more attention is needed in either colors or geometry setup. Not all problems with getting the best blend zone are blender related.
Anyway, my best blend card is one from a 3DP. It's and input/output card, so it's considered a "processor" it has a ton of really neat features, but the one I really like is that you can do geometry in the software. Don't even ask me what it cost. If I told you, you would not believe me.
Last edited by mp20748 on Sat Dec 22, 2007 1:30 pm; edited 1 time in total
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ElTopo
Joined: 07 Nov 2006
Posts: 1640
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| Posted: Sat Dec 22, 2007 1:22 pm Post subject: |
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Mike,
what does the card cost ??? 
So what's the best way to split the picture ?
ElTopo
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mp20748
Joined: 12 Sep 2006
Posts: 5689
Location: Maryland
TV/Projector: 9500LC Ultra / Super 02 and 03 VIM
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| Posted: Sat Dec 22, 2007 1:49 pm Post subject: |
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| ElTopo wrote: | Mike,
what does the card cost ???
So what's the best way to split the picture ?
ElTopo |
I'm not really sure what would be the best way to split the image/picture with what's commonly available.
Blending is kind of new to me, whereas I do have much 'Edge matching' experience. Edge matching is much like blending, in that you have to match both geometry and colors to a rear projected screen, with only a clear divider between the screens and projected image. This was a very good method of doing video walls and large multi-screen display systems back in the day.
Now, everything is nearly blending. Well, at least in all the tiop end systems that I'm seeing today.
Blending is definitely a highly preferred system over anything else. I even have several blend setups where they are using huge super bright 3 chip DLP's on screens not larger than some of the largest we've seen CRT being projected on. I have one setup where the screen is about 14' wide (16/9 aspect) and it has two Christie Digital Mirages firing on it. When I first saw what the projectors were behind the screen, my thought was that one of those huge beast should have been enough, but that's not the way they use them.
There is so much more to gain from ANY display device when Blending the image.
Cost. Actually, I'm not allowed to discuss some things. But they are VERY expensive as it relates to what other cards cost.
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Axatax
Joined: 01 Nov 2006
Posts: 403
TV/Projector: Sony VPH-G70Q (aka Barco Cine8 Onyx)
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| Posted: Sat Dec 22, 2007 3:05 pm Post subject: |
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I have a pair of the C2-260's sitting at home in Florida. When I get back early Feb. I plan to set up a test blend with a pair of G70s. I'll post a report. They are available online with significant discounts.
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