Large video files (2160x576)

Share your thoughts / tips / comments / ideas about ArKaos GrandVJ.

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Large video files (2160x576)

Postby deno » Fri Apr 16, 2010 9:31 am

Hi all

I'm really wanting to use GrandVJ but need to know a few things before I buy it.

Can I use 2160x576 (3 x pal) files with this software and output via hardware to 3 projectors on stage?

Thanks

Dene
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Re: Large video files (2160x576)

Postby jcbklyny » Fri Apr 16, 2010 8:24 pm

The software isn't the issue, the question is can your computer handle it.

All you would need is a Triple Head 2 Go to stretch the image across the 3 screens. (again, as long as your computer can handle the video file you'll be fine). GrandVJ is the only VJ software available that plays just about ANY file type and size video file even beyond HD resolutions.



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Re: Large video files (2160x576)

Postby deno » Fri Apr 16, 2010 10:21 pm

brilliant, thanks John.

That's my first question taken care of. We're going to build the PC purely for this purpose so I was thinking of a 2.80 i7 Quad Core with 4Gb RAM running 64bit Windows 7. Do you think this will do the job?

Do you think the TripleHead2Go would be a better option that using multi graphics cards in our custom system?

Thanks again

Dene
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Re: Large video files (2160x576)

Postby jcbklyny » Tue Apr 20, 2010 4:57 pm

Usually Multi head graphic cards dont span across more then 2 outputs and you can only pick 1 output from GrandVJ, so a Triple Head 2 Go is the only way you can go at the moment. Hopefully this is something the Arkaos team will add in the future.

An i7 Quad is more then enough CPU but you didnt mention which GPU you'll be using. The Graphic card will be doing most of the work, not the CPU. So just make sure you pick up a card that processes HD video from the GPU and also make sure it will output at the resolution your looking for. Not all cards hit every resolution.


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Re: Large video files (2160x576)

Postby deno » Sat Apr 24, 2010 8:28 pm

Thanks mate, this advice is much appreciated.

Just one more question I think. I'm a little confused with the GPU/Matrox Combination. What Graphics Card would you suggest to do what I want to do? Does the matrox just connect to the GPU and split the signal? Is the GPU doing all the work?

I've specced an i7 system with 4Gb RAM. Just need to make sure I get the right GPU now.

Cheers again

Dene
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Re: Large video files (2160x576)

Postby jcbklyny » Tue Apr 27, 2010 9:56 pm

Well, I prefer ATI for 2D/HD Video and Nvidia for 3D.

In reality any of the new GPU's from either company should be more then powerful enough to handle the resolution your looking for. The only minimum requirement for your application would be a dual output card. 1 for your preview screen and 1 for your Matrox box.

Just check the spec sheet of the video card before buying. All of them list resolutions the card can output... just make sure you find one thats right for you.

The Matrox box simply fools the computer into thinking one giant monitor is attached. And the newest builds of GrandVJ have presets for the Matrox box as well.


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Re: Large video files (2160x576)

Postby deno » Sun May 02, 2010 5:47 pm

Belated thanks. Finally specced the system and have bought the Matrox. I'm going to output the Matrox into 3 x VGA Extenders and run CAT5e to the projectors.

We've got a show in Spain in just 3 weeks and have decided to jump in at the deep end and leave the old system at home and just take the new setup....fingers crossed ;-)

Thanks again!!

Dene
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Re: Large video files (2160x576)

Postby jcbklyny » Sun May 02, 2010 7:21 pm

Good luck with the show!
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Re: Large video files (2160x576)

Postby Alex11 » Tue Nov 16, 2010 4:38 am

Hi deno,

Looking your Post about Big Video Files, I want to know how was your show in Spain?

I am trying to use GVJ with Files of 2400 x 800 Pixels, your experience will be more than welcome

Best Alex
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