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Video Wall Application

May 17, 2016

Video walls are sometimes found in control rooms, stadiums, and other large public venues. Examples include the video wall in Oakland International Airport's baggage claim, where patrons are expected to observe the display at long distances, and the 100 screen video wall at McCarran International Airport, which serves as an advertising platform for the 40 million passengers passing through airport annually. Video walls can also benefit smaller venues when patrons may view the screens both up close and at a distance, respectively necessitating both high pixel density and large size. For example, the 100-inch video wall located in the main lobby of the Lafayette Library and Learning Center has enough size for the distant passerby to view photos while also providing the nearby observer enough resolution to read about upcoming events.


Simple video walls can be driven from multi-monitor video cards, however more complex arrangements may require specialized video processors, specifically designed to manage and drive large video wall.Software-based video wall technology that uses ordinary PCs, displays and networking equipment can also be used for video wall deployments.


The largest video wall as of 2013 is located at the backstretch of the Charlotte Motor Speedway motorsport track. Developed by Panasonic, it measures 200 by 80 feet (61 by 24 m) and uses LED technology. The Texas Motor Speedway will install in 2014 an even larger screen, measuring 218 by 125 feet (66 by 38 m).


Video walls are not limited to a single purpose but are now being used in dozens of different applications. The global video wall market is expected to double by 2020 as technology continues to advance.