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Edge blend 2 x Barco 919 tryout
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redfox001



Joined: 16 Mar 2009
Posts: 2240
Location: The Netherlands


PostLink    Posted: Sun Nov 08, 2015 8:38 pm    Post subject: Reply with quote


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ElTopo wrote:
How big will your screen be ?

I hope > 3m in width Mr. Green


Well yes that is one of the problems. In my HT I can do 3,5 meter max. Having 3 919's on the ceiling or on the floor would be fun. I think the distance to the screen will be 1/3 of what I have now so something like 1,5 meter. That way they can all stand in front of me like a huge coffee table hushbox.

A tripple blend will have the advantage that the blend zone is not in the middle. Perhaps I should go for a sort of curved screen. The HFQ900 can do some curving.

I think the pc software to do 3 screens is available.

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koldby



Joined: 07 Feb 2007
Posts: 125
Location: Denmark

TV/Projector: GJAKY modded VDC marquee 9500lc ultra


PostLink    Posted: Sun Nov 08, 2015 10:59 pm    Post subject: Reply with quote

You suck big time Mr. Green
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koldby



Joined: 07 Feb 2007
Posts: 125
Location: Denmark

TV/Projector: GJAKY modded VDC marquee 9500lc ultra


PostLink    Posted: Sun Nov 08, 2015 11:03 pm    Post subject: Reply with quote

So what about ur Marquees?
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km987654



Joined: 25 Jul 2007
Posts: 2753
Location: Australia

TV/Projector: Barco BG809s


PostLink    Posted: Sun Nov 08, 2015 11:10 pm    Post subject: Reply with quote

redfox001 wrote:
ElTopo wrote:
How big will your screen be ?

I hope > 3m in width Mr. Green


Well yes that is one of the problems. In my HT I can do 3,5 meter max. Having 3 919's on the ceiling or on the floor would be fun. I think the distance to the screen will be 1/3 of what I have now so something like 1,5 meter. That way they can all stand in front of me like a huge coffee table hushbox.

A tripple blend will have the advantage that the blend zone is not in the middle. Perhaps I should go for a sort of curved screen. The HFQ900 can do some curving.

I think the pc software to do 3 screens is available.



1.5 mtr from the screen sounds too close.
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koldby



Joined: 07 Feb 2007
Posts: 125
Location: Denmark

TV/Projector: GJAKY modded VDC marquee 9500lc ultra


PostLink    Posted: Sun Nov 08, 2015 11:40 pm    Post subject: Reply with quote

With three of them?
No not really, but maybe he needs some of my short throw HD10L lenses to do that ;-b

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km987654



Joined: 25 Jul 2007
Posts: 2753
Location: Australia

TV/Projector: Barco BG809s


PostLink    Posted: Mon Nov 09, 2015 12:27 am    Post subject: Reply with quote

koldby wrote:
With three of them?
No not really, but maybe he needs some of my short throw HD10L lenses to do that ;-b


What about image size per projector at 1.5 mtr
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Nashou66



Joined: 12 Jan 2007
Posts: 16167
Location: West Seneca NY


PostLink    Posted: Mon Nov 09, 2015 2:04 am    Post subject: Reply with quote

a 3 projector edge blend is waste of time and phosphor unless you use the tubes at 90 degree orientation .

and you'll have two blend zones to worry about and then three VP's to handle CMS and greyscale and 12 zones of contrast modulation to brighten up the edges to adjust.

Nashou

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km987654



Joined: 25 Jul 2007
Posts: 2753
Location: Australia

TV/Projector: Barco BG809s


PostLink    Posted: Mon Nov 09, 2015 3:25 am    Post subject: Reply with quote

Nashou66 wrote:
a 3 projector edge blend is waste of time and phosphor unless you use the tubes at 90 degree orientation .

and you'll have two blend zones to worry about and then three VP's to handle CMS and greyscale and 12 zones of contrast modulation to brighten up the edges to adjust.

Nashou


Now thats a pain in the butt Embarassed
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gjaky



Joined: 05 Jun 2010
Posts: 2626
Location: Budapest, Hungary


PostLink    Posted: Mon Nov 09, 2015 6:30 am    Post subject: Reply with quote

..and it could resolve 2K at best
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CasetheCorvetteman



Joined: 09 Nov 2008
Posts: 6319
Location: Australia


PostLink    Posted: Mon Nov 09, 2015 9:55 am    Post subject: Reply with quote

km987654 wrote:
redfox001 wrote:
ElTopo wrote:
How big will your screen be ?

I hope > 3m in width Mr. Green


Well yes that is one of the problems. In my HT I can do 3,5 meter max. Having 3 919's on the ceiling or on the floor would be fun. I think the distance to the screen will be 1/3 of what I have now so something like 1,5 meter. That way they can all stand in front of me like a huge coffee table hushbox.

A tripple blend will have the advantage that the blend zone is not in the middle. Perhaps I should go for a sort of curved screen. The HFQ900 can do some curving.

I think the pc software to do 3 screens is available.



1.5 mtr from the screen sounds too close.

It will be yeah.

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redfox001



Joined: 16 Mar 2009
Posts: 2240
Location: The Netherlands


PostLink    Posted: Mon Nov 09, 2015 9:57 am    Post subject: Reply with quote

koldby wrote:
You suck big time Mr. Green


Now that is a decent you suck! Very Happy

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redfox001



Joined: 16 Mar 2009
Posts: 2240
Location: The Netherlands


PostLink    Posted: Mon Nov 09, 2015 9:57 am    Post subject: Reply with quote

koldby wrote:
So what about ur Marquees?


9500 still hanging on the ceiling while I figure this out Very Happy

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CasetheCorvetteman



Joined: 09 Nov 2008
Posts: 6319
Location: Australia


PostLink    Posted: Mon Nov 09, 2015 9:58 am    Post subject: Reply with quote

Nashou66 wrote:
a 3 projector edge blend is waste of time and phosphor unless you use the tubes at 90 degree orientation .

and you'll have two blend zones to worry about and then three VP's to handle CMS and greyscale and 12 zones of contrast modulation to brighten up the edges to adjust.

Nashou

Could always put them on the 45 and make a triangular screen Wink

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Barco CineMAX, 120" OZ Theatre Majestic 16:9 screen, H/K AVR 7.1...

RUNCO DTV991 LC ( NEC XG 852 LC ) 100" 4:3 screen, H/K AVR 5.1...
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redfox001



Joined: 16 Mar 2009
Posts: 2240
Location: The Netherlands


PostLink    Posted: Mon Nov 09, 2015 10:02 am    Post subject: Reply with quote

Nashou66 wrote:
a 3 projector edge blend is waste of time and phosphor unless you use the tubes at 90 degree orientation .

and you'll have two blend zones to worry about and then three VP's to handle CMS and greyscale and 12 zones of contrast modulation to brighten up the edges to adjust.

Nashou


Unless I go for a cinemascope?

But the blend zones will be not so in the centre.

I will not use VP's but the Barco Semu 2 advanced and contrast modulation. Together with a pc to split the image. Anyone have comments on this one please say so.

But the lens argument is stronger. The HFQ900 will not focus that close to the screen I am afraid.

Rolling Eyes


The good point is that the 919 have sharp focus beams and using them in a blend will use more fosfor vertical so I think I can resolve 2k vertical. But for 4k I will need faster video bandwidth. But 4k interlaced ?

A blend with 2 I guess is the most realistic. Well I warned everybody this is experimental at most Very Happy

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CasetheCorvetteman



Joined: 09 Nov 2008
Posts: 6319
Location: Australia


PostLink    Posted: Mon Nov 09, 2015 10:51 am    Post subject: Reply with quote

Blend with 2.35:1 will mean the middle projector is basically stacked with the middle of the outer 2, making it bloody hard to balance wear.
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CasetheCorvetteman



Joined: 09 Nov 2008
Posts: 6319
Location: Australia


PostLink    Posted: Mon Nov 09, 2015 10:53 am    Post subject: Reply with quote

Youd need 4 to make the effort worth while, and split it to quarters.

Even then youd want to go hard edge at least one way...

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Nashou66



Joined: 12 Jan 2007
Posts: 16167
Location: West Seneca NY


PostLink    Posted: Mon Nov 09, 2015 10:43 pm    Post subject: Reply with quote

With three CRT Projectors the best solution would be two on floor blended and the single up on Ceiling in center further back to fill screen. The center PJ will wash out the blend zone of the two floor mounts. Run everything at 800p@72 out including the ceiling mount PJ. Also add a memory for the single mount for 1080p@60 for sports. Thats how I would do it. And might Wink



Nashou

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"Republicans believe every day is the Fourth of July, but the Democrats believe every day is April 15." --- President Reagan

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km987654



Joined: 25 Jul 2007
Posts: 2753
Location: Australia

TV/Projector: Barco BG809s


PostLink    Posted: Mon Nov 09, 2015 11:40 pm    Post subject: Reply with quote

Nashou66 wrote:
With three CRT Projectors the best solution would be two on floor blended and the single up on Ceiling in center further back to fill screen. The center PJ will wash out the blend zone of the two floor mounts. Run everything at 800p@72 out including the ceiling mount PJ. Also add a memory for the single mount for 1080p@60 for sports. Thats how I would do it. And might Wink



Nashou


So is this a blend and stack
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Nashou66



Joined: 12 Jan 2007
Posts: 16167
Location: West Seneca NY


PostLink    Posted: Tue Nov 10, 2015 2:58 am    Post subject: Reply with quote

km987654 wrote:
Nashou66 wrote:
With three CRT Projectors the best solution would be two on floor blended and the single up on Ceiling in center further back to fill screen. The center PJ will wash out the blend zone of the two floor mounts. Run everything at 800p@72 out including the ceiling mount PJ. Also add a memory for the single mount for 1080p@60 for sports. Thats how I would do it. And might Wink



Nashou


So is this a blend and stack


yes

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Don't blame your underwear for your crooked ass~ unknown Greek philosopher


"Republicans believe every day is the Fourth of July, but the Democrats believe every day is April 15." --- President Reagan

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ElTopo



Joined: 07 Nov 2006
Posts: 1497



PostLink    Posted: Tue Nov 10, 2015 7:38 pm    Post subject: Reply with quote

4 x 909 would mean you will be the first ONE doing native 4K !
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