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video sign spliter

Posted: Wed Feb 09, 2005 13:00
by VJzoo
i was wounder if any one knew if there is a video signle spliter that splits the signle over more then one screen?

Posted: Fri Feb 11, 2005 00:43
by asbach
there are some hardware devices to do that, but they are very expensive (>3000Eur). If you need links tell me.

I tried to build one myself, but it can't be done in pure analog (timing problems). You would have to digitize the VGA/video signal and then read out the right lines for each monitor, from an double buffered video ram.

If i stumble cross a cheaper solution i will post it here, but it is unlikely.

Posted: Fri Feb 11, 2005 03:08
by levon
you mean to have half on one, the other half on the other?? or just doubling it on both?

if you want the same image on both, you can get a video amp/spliter from jaycar, dick smiths, or radioshack for around $40

Posted: Fri Feb 11, 2005 06:52
by VJzoo
thaks for the help.

yep i would like to have the image split over more then one screen but if it costs to much ill have to just have the same thing on each screen.

Posted: Sat Mar 19, 2005 00:03
by MtB
the name of the device what you are looking for -as I understand from your note- is video matrix switcher

it works like this

you have lets say 4 video inputs and 4 video outputs
you can route lets say video input 1 will go to output 1 and 4
video in 2 will go to out 2 and video 3 in will go to out 3

or how as you wish...

it is very easy to use
there are total of 8 buttons 4 for in and 4 for our
just select the in channel to go where...

is it what u want?

Posted: Sat Mar 19, 2005 02:59
by levon
actualy, you could get an old PCI 3D card, or a new PCIE if your motherboard supports it, and out put the different layers from resolume to different projectors

Posted: Sat Mar 19, 2005 17:28
by VJzoo
thanks for the help but ive kind of gone off the iea now because id have to get expencive side car things fr my lappy ;)

Posted: Mon Feb 27, 2006 18:29
by Anonymous
Gentleman!! How possible is to project a different image on the projector connected on a laptop while viewing a different image on the display?

Posted: Tue Feb 28, 2006 12:11
by DAS BEN

Posted: Tue Feb 28, 2006 15:43
by Anonymous
Thanks Des!!

I read about the device, but I was wondering if it is possible to project a powerpoint presentation and be able to see my footnote and previous , present and next slide on my laptop display and on the project view show only the present slide?

Thnks in advance.

Mo