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Setting up a video projector isn't as easy as you first may think. Leaving the settings on the default values may not give you the best image possible. by using Test Patterns along with the colour/brightness/contrast and other settings on your... Read This Article 
If you'd like to know about Scan Converters (or Down Converters) then take a look at our scan converter page. This talks about converting a computer signal in to composite video and how it can be mixed with other composite signals Read This Article 
Many times you want to mix a computer signal (eg a presentation or song words) with a set of video cameras and/or dvd players. Video cameras etc, generally use Composite video (the little phono connector) and a computer will use higher resolution... Read This Article 
Throughout 2006 High Definition has grown, and it's set to grow even faster in 2007/8. at the begining of 2006 you could by a High Definition TV, but there was noone broadcasting High Definition programs, by the end of 2006, you could purcase High... Read This Article 
We have used the Martox DualHead2go device at a couple of youth event in Reading - What this provided was a cheap and simple way to have a 16 by 6 foot screen! -that’s pretty wide. The reason behind all this is to provide a far cheaper alternative... Read This Article This is a table of the popular video formats and their resolution Read This Article
What is Feedback? Feedback is the screeching/squealing/hooting sound heard when there is an accidental loop in the PA system. That is when the sound from a microphone is amplified and fed to the speakers and then picked up again by the microphone,... Read This Article | Matrox DualHead2Go - in use for video playback |
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| Sunday, 16 July 2006 17:34 |
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We have used the Martox DualHead2go device at a couple of youth event in
Reading - What this provided was a cheap and simple way to have a 16 by
6 foot screen! -that’s pretty wide. The reason behind all this is to
provide a far cheaper alternative to 'soft edge' video projection. {mosˍfbˍdiscuss:2}
(The Matrox Dual Head 2 Go product is something that we dont't sell, however this article may be useful if you are looking at ways to use this hardware) However do contact us if you would like to hire one. About the Matrox DualHead2Go
*the Dualhead2Go can actually go up to 2560×1024, but for our needs 2048×768 is best, as 1024×768 is the native resolution of our video projectors. How we used it
I connected the DualHead2Go in to an Apple Powerbook and used Grid
to play back videos. The connected 2 projectors to the DualHead2Go via
2 30 metre VGA cables. -we didn’t need any signal amplifiers. For song words and DVD playback during the event, we used 2 slightly smaller screens on each side. We just played different videos on the centre screens depending on the situation - ie during the upbeat songs we had a faster moving video etc. During the talk we actuall paused the video so it was just a still image. We had lots of positive feedback about the setup. Next time I’d like to make better use of the 4 screens and intergrate them better. I’d like to produce video presentations that make use of all 4 screens…
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The device is a small box that you plug your PC (or Apple Powerbook
in our case) to via the VGA port. The computer sees the device as a
‘monitor’ with a resolution of 2048×768, which is twice the width of a
‘normal’ screen.
…Now, the box has 2 VGA ports as it’s output, and the box splits the
2048×768* image in to 2 halves. Threfore it splites the image over to
monitors - or in our case 2 projectors - The image to the right is from
the Add your comment
