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Topic: Help! How to project multiple feeds at the same time - Background, live camera and powerpoint...
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Joined: Jun 6, 2009
Posts: 3
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Hi there

I am a audio engineer and have used basic projector/laptop setups in my line of work. However, yesterday I agreed to do a 'corporate' gig as the AV person... Turns out its 'corporate' alright, with a HUGE 15m screen behind the speaker, with the following projected simultaneously: A background, live camera feed of the speaker, powerpoint presentation and when the powerpoint is not in use, the company's logo is displayed.

Needless to say, I'm in over my head - but I don't want to turn down the job - I'm sure that I can do it with a bit of advice!

From photos of previous event, it looks like they use 4 or 5 laptops with a switcher. Can anyone tell me the mechanics of how it is possible to use one projector to project the images of multiple outputs? Is it even possible?

I am told that they use Barco G5 projectors (I cant find anything on them online - seems to be a discontinued product). The laptops are PCs and the presentation is done with PowerPoint (that sounds pretty basic to me - done that MANY time) It's everything happening at the same time that's got me a bit worried.

Please help!

THANKS!
[Edited by EnnDub on Jun 6, 2009 at 12:23 AM]

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Example of what I'll be doing

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Joined: Jun 11, 2007
Posts: 1,740
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The projector is not significant, no projector will do what you want. It's done with additional hardware. Usually referred to as a Multi-Image proceessor, it takes multiple feeds and integrates them into one image for the projector. It's similar to the equipment used in security monitoring, allowing multiple cameras on one screen.

It is not a cheap piece of gear, you will have to search your area for a company that has the setup to rent.

Quote (EnnDub on Jun 6, 2009 12:20 AM):
Hi there

I am a audio engineer and have used basic projector/laptop setups in my line of work. However, yesterday I agreed to do a 'corporate' gig as the AV person... Turns out its 'corporate' alright, with a HUGE 15m screen behind the speaker, with the following projected simultaneously: A background, live camera feed of the speaker, powerpoint presentation and when the powerpoint is not in use, the company's logo is displayed.

Needless to say, I'm in over my head - but I don't want to turn down the job - I'm sure that I can do it with a bit of advice!

From photos of previous event, it looks like they use 4 or 5 laptops with a switcher. Can anyone tell me the mechanics of how it is possible to use one projector to project the images of multiple outputs? Is it even possible?

I am told that they use Barco G5 projectors (I cant find anything on them online - seems to be a discontinued product). The laptops are PCs and the presentation is done with PowerPoint (that sounds pretty basic to me - done that MANY time) It's everything happening at the same time that's got me a bit worried.

Please help!

THANKS!

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Joined: Jun 6, 2009
Posts: 3
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Thanks for that info - I will actually be working with a company that already has all the equipment to do this - I'm just too proud to admit to them that I've never done anything on such a large scale! :-S

So I'm just trying to get some info about what's what before I get there - and so that I at least know what to expect...
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Joined: Jun 11, 2007
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That's going to be real difficult to answer with any useful information without knowing what their setup is. There are a several ways to accomplish the final output, depending on the equipment in use.


Quote (EnnDub on Jun 6, 2009 7:29 AM):
Thanks for that info - I will actually be working with a company that already has all the equipment to do this - I'm just too proud to admit to them that I've never done anything on such a large scale! :-S

So I'm just trying to get some info about what's what before I get there - and so that I at least know what to expect...

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Joined: Mar 28, 2005
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It is very questionable whether or not you will be able to rent this as it tends to be pretty high end, but if it is available, then it will likely be from Extron. There are other manufactuers as well such as Aurora Multimedia and RGB Spectrum which make multi-image windowing processors. These are significantly different from security camera multiplexors, as those are intended to exclusively work with standard 480i low-resolution video, not multiple computer images with backgrounds.

The 2-up version from Extron MSRPs at $8K
http://www.extron.com/product/product.aspx?id=mgp462

The 4-up version is from $13K to $16K...
http://www.extron.com/product/product.aspx?id=mgp464&subtype=35&item=0

Like I said - not exactly something that many companies will keep hanging around unless they get significant rentage from them.
AV Integrated - Theater, whole house audio, and technology consultation during the build and installation process in the Washington, DC metropolitan area.
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