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If you’ve ever been to a live event where there has been a large LED screen comprised of multiple panels flanking the stage or comprising the backdrop, then you’ve probably witnessed a video wall controller in action without realising it.
What is a video wall controller and why do I need one?
Also known as a video wall processor, a video wall controller, simply put splits the image into parts to be displayed on each individual panel of the video wall, so the full visualisation can be displayed correctly over the many panels of the screen. Without one, you would simply have a tiled effect with each panel displaying something different.
The processor acts as a regulator, ensuring that each bit of content arrives and is displayed on the panel that it is intended to create a large seamless image. Some smaller displays may not need a processor, instead, they rely on a multi-monitor video card. However, in the case of large video walls such as curved video wall banks, they will require a video wall controller.
What type of controller will I need?
The simple answer is, it depends on the project. Many processors are now available in both hardware and software versions and each one of these will come with its own benefits and limitations.
You need to make sure that your controller can handle the demands of the screen size you intend to use it for. For example, controllers like the Magnimage LED-550DS LED Video processor are ideal for larger-scale events, like theatre or live music events, where a large video wall is a necessity. This controller supports oversized LED screens with seamless splicing through a DVI loop interface.
If you plan to show online content on your video wall then look for a processor with a web server interface. Incidentally, this will also make firmware updates easier.
However, the easiest option to take when it comes to selecting the correct controller is to contact the technical wizards at Hybrid AV and discuss your requirements.
For more information on our video wall controllers take a look at our computers and video controllers page where you can browse a range of equipment and download the technical specifications. If you have any queries about any of our hire equipment then feel free to get in touch with Hybrid AV today, and we will be more than happy to help.