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Any late breaking news/updates on blended CRTs? - Page 3

post #61 of 249
Quote:
Originally Posted by Art Sonneborn View Post

You've got to start hitting that quote button a lot faster.


Art

I was being GOOD and not quotiing the pictures. Keeping the load down.

R-S
post #62 of 249
mmm....... still see the word "Stacked" being used by all you guys over there!
what do you call pj's mounted above each other? or side by side?
Serious question, to me still stacked does not cover both mountings


Anyway.

MANY MANY MANY thanks for the recent pics, still got the kit? wanna sell it?

Pics were a great boost to me, working away from home at the mo so not go to start blending yet, loads of kit waiting for me to play with.

CHUCHUF - which version are you using (Nvidia) without the blending option ???
post #63 of 249
They are using laser projectors quite a bit now in multi projector environments like planetariums and the like, and the Sony demo at Expo this year had a bunch of laser projectors projecting one very very wide image.
post #64 of 249
Quote:
Originally Posted by MadMrH View Post

CHUCHUF - which version are you using (Nvidia) without the blending option ???

The Unigraphics Certified Quadro drivers installed on my brand new XP 64bit, Quadro FX4400 equipped workstation do not have a blending option.

Version 71.84. I don't know what the current version is now, but we don't upgrade until the CAD company certifies a new version- much less pain..
post #65 of 249
Guys!

The initial response from Silicon Optix for a Phoenix demo is........Yes! I will post more details here as they become available; I have requested the gear for second half of October.
post #66 of 249
Thread Starter 
Quote:
Originally Posted by cmjohnson View Post

Your photo software allows seamless stitching of photographs because the software doesn't stack the brightness of one photo's pixels on top of the brightness of the other photo's pixels.

When dealing with projected images, overlapped images ADD brightness.

CJ

Ok, maybe I'm in left field, but, in photo editing I have taken an image and split it right down the middle creating two images. I printed both images, carefully trimmed them, then butted them side to side to create one image. Only on the closest scrutiny could you detect a tiny hairline down the middle.

Obviously, this is not blending. On the other hand I don't see why with the advanced technology we have today something similar could not be devised with two (digital in this case) PJs (identical models).
post #67 of 249
Quote:
Originally Posted by CMRA View Post

Ok, maybe I'm in left field, but, in photo editing I have taken an image and split it right down the middle creating two images. I printed both images, carefully trimmed them, then butted them side to side to create one image. Only on the closest scrutiny could you detect a tiny hairline down the middle.

Obviously, this is not blending. On the other hand I don't see why with the advanced technology we have today something similar could not be devised with two (digital in this case) PJs (identical models).

Manufacturing tolerances of every part in the optical chain (lenses, DLP chip, prisms, LCD panel(s) and bulb output) add up to slight differences in brightness, color fidelity, etc. You'd have to be quite an advenced tweaker to match both PJs exactly.

Besides, nature abhors a straight line, and you are probably very likly to perceive a razors-edge blend (abbutment?) line. I think that this is the most likely reason for dithered blending.
post #68 of 249
There are 5 BlendPros on ebay.

But some other online places say "Please call for greatly discounted pricing"
post #69 of 249
Guys!

BlendPro is only the contrast modulation half of the system, one still needs a pair of exotic scalers to stretch and scroll the image into blendable segments.
post #70 of 249
Though Nvidia have dropped the "powerwall" support from the fx1000 quadro cards, other higher up the range still have the option.
I think several people have the fx1000 card from previous threads/info

quote from chuchuf

Andrew and I gave up on NVidia ever getting this right. In fact what we found was in the latest Quadro drivers they totally removed blending as an option.
My feeling is they did this for a specific customer and that job is done and there hasen't been a large enough mrket for them to continue to persue this any further.
What I find really sad is NVidia with the Quatro card was close.....really close to a perfectly blended picture.


I checked the Nvidia site today and the latest drivers are windows version 77.56

strange but the "beta drivers" section shows 77.37 release date july 27 2005

web site maintenance anybody ???



A quote from their site

"Powerwall
NVIDIA's patented single-system powerwall technology allows any application to be projected on a dual-channel powerwall with sophisticated edge blending in order to achieve uniform luminosity. Powerwall works transparently with any application. This feature is supported in the NVIDIA Quadro FX 4400G, 4000, 3400, 3000G, 3000, and 1100 models."


I have the fx4000 agp card and can confirm that the "powerwall" system is still available in the latest drivers


btw,

Thank you for the blendpro info.

I looked them up and they are available for $11,000 to $15,000

This will be way out of my budget range so back to searching for other options and testing of the nvidia card.
post #71 of 249
I have a Quadro FX4400 at work and I can't find the powerwall feature in the drivers.
post #72 of 249
seek and you shall find......

Hope you are a bill gates user....

turbines to speed (Or fans as Barco call them.....)

Start
Settings
Control Panel
Display (NOT NVIDIA DESKTOP)
settings (top right tab)
Quadro FX4000
white page on left near bottom
"edge blending for people with too much time on their hands!"

If you are looking for the word "powerwall" im afraid Nvidia only seem to use that on the web site

pictures are from my mobile phone sorry if poor.
LL
LL
LL
post #73 of 249
Guys!

Silicon Optix did not step up to the plate after several of my requests to test their blend gear But...... we hope to have another product in test mode here by December 15th. This gear has the specs and the potential to nicely replace the DisplayPro HD system that Folsom was unable to move forward with. More news as it unfolds!
post #74 of 249
Tim PM me with details please .

My project is still moving forward.........

On the tweaking boards stage and upgrades at the mo........

will dig out some pictures....

Cheers,
post #75 of 249
Three Hours and fifteen minutes! I was wondering how long it would take before you saw Tim's post.

Ericglo
post #76 of 249
"The Boys are BLACK in town again........."


Forgive my delayed reaction to the post......

On UK time working nights.........I will try and be on the ball in future......




YES that is my new living room and I cant fit the new table in there for Christmas lunch....

Though the Selecos with a cloth over them sitting on 1208 chassis is my best offer to the family to date!




Note to family : no honestly these are still the 801s projectors I started with I have not bought any more though they do look like DV1208s/E's dont they! No the speakers were always that big I've not changed them......about that holiday dear.........AND YES youre right dear it is cold sleeping in the shed!







LL
LL
LL
post #77 of 249
PS Many Many Many thanks to the 2 wonderful AVS members who sold me BRAND NEW P16 tubes for this project.......

One is now the proud owner of his new 1208s/2 - Barco rules.......

And the other still gloating on his G90.....




so 6 pure whites to go in..........




Im trying to add LC hardware to them but at the mo not easy to find.........with coloured C's of course....
post #78 of 249
Hope you can do it but many have tried ! At least you have the BEST of tubes !
post #79 of 249
Alright Guys!

We need some excitement here and I hope to bring it; we are testing a new blend system next week here at E-Tech, and I am majorly excited. The system supports eight inputs including digital, and features built-in soft edge blending out to two RGB or DVI or HD-SDI displays. We set up Monday after lunch; and a select handful of impartial observers (mostly my drinking buddies) are invited to watch. Signals include HiDef from DirecTV and terrestrial local channels, an HTPC maybe, and a DVD player yet to be selected. Two Marquee 9500LCs. 106" screen width. More, soon, Tim


Oh, this is from last time, we are migrating to the living room for next week!

post #80 of 249
Quote:
Originally Posted by tim View Post

Alright Guys!

We need some excitement here and I hope to bring it; we are testing a new blend system next week here at E-Tech, and I am majorly excited. The system supports eight inputs including digital, and features built-in soft edge blending out to two RGB or DVI or HD-SDI displays. We set up Monday after lunch; and a select handful of impartial observers (mostly my drinking buddies) are invited to watch. Signals include HiDef from DirecTV and terrestrial local channels, an HTPC maybe, and a DVD player yet to be selected. Two Marquee 9500LCs. 106" screen width. More, soon, Tim


Oh, this is from last time, we are migrating to the living room for next week!


COOL! After the Folsom blender didn't work out as the company wouldn't produce the product, Tim had the "Folsom Prison Blues". But now Tim's is doing the "Walk the Line" and found another better vender. COOL!!
post #81 of 249
What price bracket are we talking?
post #82 of 249
Say Dok

Preliminary indications put the processor around $17K, and two competent projectors to each handle 1280 x 1080p; lesser resolutions can be selected for the output where necessary and dialed up later for better projectors. This is essentially the processor that Folsom elected not to build; we were anticipating $15K for that two years ago. An eight input switcher/transcoder with two exotic scalers and contrast modulation for the blend rolloff, it does cost some money to do all that well.
post #83 of 249
Ahh, get back to me when you can do it with a dual head video card
post #84 of 249
I'm only about 15K short then...
post #85 of 249
I wonder if any of these Gamma adjustment circuits that are floating around would be any help with this?

Seems to me that the issue is the bias and gain may not be identical between either of the projectors. That course that can be adjusted in the PJ menu. If the blend area has a contrast modulation problem. That is akin to the Gamma being misadjusted in the blend.

By adjusting the gamma on one machine with one of those Gamma circuits that TSE has made, seems to me you could adjust the problem out.

Alternatively

The actual Nvidia driver has point adjustment of gamma for each monitor. Has anyone actually fiddled with this and tried to adjust the whole left side gamma to match the right?

Using a Spider two or better you could set the tracking in the video card from 30IRE up to 100IRE without a problem. By testing each side at different intensities and matching the tracking up between the two PJ's using the video card driver you should be able to get it right.

If the brightness, contrast AND gamma in the blend is the same. What appears elsewhere outside the blend should be perfect. This is not just a blend problem. The whole picture on one side or the other doesnt track in every one of these attempts I have seen.

I cant remember anyone actually doing this. They have just dumped it up there and said "nah the blend doesnt work"

No one to my knowledge has worked on the Gamma of the Nvida card and tried to make both projectors track from 10 IRE to 100IRE.


Why havent I ever tried this? I never managed to get a working FX1000 !! so I could never really attempt to set this up as I would like.
post #86 of 249
.........4hrs ish later!

HI ya,

OK the FX1000 has had the "powerwall" side of it dropped by Nvidia in the newest drivers....

It appears that it did not work right.

BUT

my fx4000 still has this and about a week ago I checkd this out for the first time.

I will post some pics as I need a bit of help working it all out......

Watch this space as I know Tim is lurking with his new toys and I am tomorrow in a meeting to try and push my setup forward a bit more........I just dont have the time myself, though I have got loads of kit now im just not getting enough time to set this up so I have decided to enlist some help........some serious help.
post #87 of 249
People have recently been commenting on how quick I respond to posts in this thread , just recently and only because I have been paper pushing I have noticed things within 5 hours...not bad considering the time dif around the world.....

BUT today something REALLY REALLY WIERD happened........

I actually feel like there is about to be a new post with serious info very soon......

Like very soon,

SO Ericglo it would appear that my ESP might be switched on..........do you feel the force?


tick tock tick tock.......lets see.......
post #88 of 249
What a teaser!
post #89 of 249
Yeah baby Yeah......



more hype than an xbox 360......but this IS in stock.......
post #90 of 249
Guys!

No joke, we are cooking something special, more news by Tuesday night.......

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