CurtPalme.com Home Theater Forum

[CIR Engineering]

[the_maniac]

[CIR Engineering]

[CIR Engineering]

[mp20748]

I've been working on one of the newer commercial 3D systems the past two days. It's an Nvidia based computer node video source system, that uses three of these computers to run two digitals in a blend setup.

The Nvidia cards they're using are the high end Stereo (or 3D) rendering cards. The cards can do custom resolutions, but they also have selectable resolutions already in place. Unlike the other and previous version of these cards I'm familiar with that has selectable but common rates, these only show 60hz, 72hz and 75hz.

So I asked one of our computer engineers about those resolutions, and that the two blended projectors for once was not running 96hz or above. And why are they using 60hz...

His response was "Frame Doubling"


I'll get back to this later when I get back, because I have to head back out and wrap things up.


Hey SC, I'm dealing with the Picat**** upgrade. Titans!

[kodomo]

[quote="CIR Engineering"]
Moome is going to be providing a shutter glasses output on his next generation of EXT and internal HDMI to RGBHV converters. Moome's output will supply industry standard TTL to drive TTL glasses or IR transmitters.

As of right now I plan to use the Samsung 3D glasses. If you are quick and patient on eBay you can get them open boxed for around $50 a pair give or take. I just ordered two pair and they will be here Monday. Universal industry standard emitters are due out next month that will support glasses from any manufacturer. Glasses are only going to get cheaper as they are not very advanced pieces of equipment and competition will drive the price down hard.

On a HTPC you will be supplying frame sequential anyway so the best thing to do in my opinion would be to get glasses sync from the Vsync pulse off the projector. This is what I am doing now and what Moome will offer soon.

craigr[/quote]

Being one of those recently buying one of the 'old' Moome cards ('lucky' me), I wonder wether there will be an upgrade option (or otherwise how to get VSync from the projector - do you tap it from the HDMI card, or do you have an analogue setup?).

I guess the mentioned universal std. emitters are not going to be plugged into the HDMI path between the source and the projector, but rather get VSync from the upcoming cards, are they? (Is an HDMI plugin box feasible at all - timing-wise?)

[CIR Engineering]

[dochlywd]

So Craig,

Is Moome going to be the solution for those of us that purchase the XS that doesn't have the trigger outs??? It's sounds like it will be and that will be a huge relief since I debated on the XS or XE over this very same issue.

Doc

[CIR Engineering]

[dochlywd]

Actually, this last post has given me the best understanding of it yet!!!!!

Thanks!

Mike

[Nashou66]

Hmmm, not sure if either would work for a blend situation where the blend scaler is after the lumagen unless the blend VP will pass the signal on the ethernet channel in the HDMI/DVI cable. And I do not think that the Tv -ones DVI has that capability. I do hear they might be coming out with a new unit next year that might be HDMI, so i'll have to pass.

Only way i could see it working in my set up might be if they do add the second output as a separate configurable so you could match the output rate of that output to what the blend scaler is outputting, then the dongle would work on that ouput of the lumagen for the glasses to sync to.

Make sense Craig?

Athanasios

[CIR Engineering]

[Nashou66]

[speedyandre]

I wonder about the capabilities of my PS3 80GB, it has the new 3.50 firmware with 3D support for games and blu-ray
Because the PS3 only has HDMI 1.3 the bandwidth is limited but it still puts out 1080p 3D with limited audio (standard dts).
It would be nice to be able to mess with my PS3 and a scaler to get a 3D picture on my 1292 (s).
What I understand from some simple reviews is that you can play a 3D blu-ray on a 3D tv.
That said I suppose the HDMI signal seems to be compatible for tv's and probably also for a scaler
With an upgraded Moome box I maybe can use shutterglasses.
Otherwise I like to know how a polarised screen with passive glasses will perform regarding to the light output.
In that case I need 2 1292's and a scaler with 2 hdmi outputs to get it done.
Because all of this is already in place here except a compatibel scaler it wouldn't be that hard to make a 3D setup
My Vps 3800 has 2 outputs but I'm affraid there won't be a trick to alter the 2 hdmi outputs ...

André

[dokworm]

This is very impressive, but all sounds pricey and complicated.

I take it this is to be able to have a click and go solution for 3D blurays on CRT? That you just pop your 3DBD in the 3D capable player, plug all this stuff in and turn your glasses on and go?

As far as I can tell, most CRT owners will be stuck at 720P 96Hz at best, with only the few truly high-end CRTs capable of higher resolution and refresh rates.

For that resolution you can purchase a 720P 3D capable digital for about $500, so the solution would have to be pretty cheap to be worthwhile.

Of course if you are running a PC you can watch 3D on your CRT now, there is free software (SSIF-Sucka) available to rip 3DBDs to any other 3D format (side by side, over/under, 2 separate streams etc.) and you can watch them in 3D using Peter Wimmer's Stereoscopic player software right now on your CRT.
Or you could encode them to field interlaced 1080i (1920x540 per eye) and burn them to disc and watch on any BD player, PVR or whatever.

If you want sync extraction for DVI/HDMI that has already been done over at MTBS
http://www.mtbs3d.com/phpBB/viewtopic.php?f=26&t=9790&start=30
and driver circuits for the older style 3D glasses can be made for a few dollars.

So for the PC owners, you can do this now for very little money, it is more hassle than just putting a disc in and pressing play, but you get the same quality end result.

I'm keen on seeing what lumagen and Moome come out with though!

-Dok

[dokworm]

[dokworm]

A direct link to the DVI sync extraction circuit:
http://www.mtbs3d.com/gallery/displayimage.php?pos=-3651

[mhalsan]

[dokworm]

I've been talking with Peter, and BD support for playback isn't far away.
I don't see a problem with Slysoft, the software only needs updating as new protection mechanisms come to light, even if support stopped tomorrow, it will still decode everything on the market today. That legislation would take an amazing amount of time to get through, and would be difficult to implement. I don't think you would have a problem in the near future, and once you have ripped your disc, the software is not required for playback at all. Plus there are plenty of other decryption solutions outside of Slysoft's offerings, including some free ones.

Anyway, just want to point out that I am watching the latest 3DBD movie releases right now on my CRT projector, in 3D and it works, but I wouldn't spend lots of money to get a turnkey solution, the CRT projectors just aren't up to it I'm afraid.
It is impressive that we can get them to work at all, most of them predate HDTV let alone HD 3D and Bluray, but their lack of brightness and green-phosphor lag and lack of high refresh rates at 1080P make this interesting only from a hobby point of view, a cheap 120Hz DLP actually gives a more enjoyable viewing experience.

I love my CRT projectors, but for 3D, they just don't give the quality that I want.

[mhalsan]