Perfecting video wall projects

by carly_mchugh | 26 October 2023 1:48 pm

By Chris Melito

Video walls are a popular and effective way to display information, promote products and services, and create an engaging environment for customers and employees. However, implementing a video wall can be a daunting process, with many moving parts. There are a variety of important considerations when planning these projects, including screen types, processors, digital signage software, mounting, and more.

Purpose and goals

Before you start, it is crucial to determine the purpose and goals of the video wall. What do you want to achieve with the installation? Is it for advertising, entertainment, or a monitoring/operations centre? Knowing this information will help you determine the best type and size of video wall for each project.

Screen type and resolution

One of the most important considerations for a video wall is the type and resolution of the screens. Each style of technology has its own strengths and weaknesses.

• LED: These screens are bright and energy efficient and can be used in various environments. They are a great option for outdoor video walls because they are highly visible in the sunlight.
• Liquid crystal display (LCD): LCD screens have superior colour accuracy and are suitable for indoor environments, such as retail spaces or corporate offices.
• Organic LED (OLED): These screens offer deep blacks and brilliant contrast, making them ideal for high-end applications such as museums or galleries.
• Direct-view LED (dvLED): With the recent reduction in the cost of these screens, more dvLED technology is being used for mid- and low-level applications. As the cost continues to lower and the quality of these displays increases, they will become the dominant video wall type in the future.

 

The key consideration regarding resolution is the quality of the content you intend to display. High-definition (HD) native display resolutions may be sufficient for basic media playback at a significant viewing distance. However, on the opposite end of the spectrum, ultra-high-definition (UHD) and even higher-resolution content—such as art installations and high-impact digital out-of-home (DOOH) applications—may require a display compliant with HDR and high-ratio chroma subsampling. These applications will likely require a very large dvLED wall, with a low pixel pitch, high brightness, and high frame rate.

The good news is there are products that can match any reasonable budget when considering content quality, viewing distance, audience needs, return on investment (ROI), and the available physical space.

Video wall processor

A key component to successfully running a video wall is the video processor. This device is responsible for processing and displaying the content on the screens. A good processor should also include geometric and colour calibration, as well as bezel compensation features. Additionally, most video wall manufacturers offer compatible controllers, either of their own design or provided by alternative vendors of video wall hardware.

Geometric and colour calibration is essential to ensuring the content adequately fills the display and the colours shown on each screen are consistent and accurate. Suppose the video wall is a more traditional implementation comprising individual displays. In that case, bezel compensation is an important feature to look for in a processor. Bezels, the borders between each screen on this older video wall style, can cause the content to appear disjointed if not correctly compensated for. Finally, content management capabilities allow you to easily manage and schedule the content displayed on the video wall.

Digital signage software

Digital signage software is another critical part of a video wall. It manages and schedules content and controls the wall’s operation. When choosing software, it is essential to consider your needs, especially in terms of how you will be using the video wall. For example, if you are using it for advertising, you may want a solution that enables you to easily create and manage ad campaigns. You will also want to ensure the software includes robust proof-of-play logging features. Alternatively, if you are using the video wall for monitoring purposes, you may want a software solution that allows you to easily display and manage real-time data and configure the content layout for maximum operational impact.

Mounting and installation

Mounting and installation are crucial considerations for a successful video wall implementation. Proper mounting ensures the screens are securely and safely installed, as well as aligned and calibrated correctly. When mounting screens, you need to consider their weight and size, as well as the mounting location and airflow. For example, a larger video wall may require a specialized mounting solution, while an outdoor video wall may require additional weatherproofing measures.

Most video wall manufacturers offer commercial-off-the-shelf (COTS) and customized mounting solutions or ensure their products are compatible with industry best practices. Your audio visual integrator will be able to provide optimal engineering and implementation support for your project.

Maintenance and support

Finally, maintenance and support are necessary for the long-term success of a video wall. Proper care will ensure it continues functioning effectively and efficiently over time. You should plan for regular maintenance, such as cleaning the screens, replacing the parts as needed, and updating the software. It is also important to have a support plan, in case of any issues or technical difficulties. This can include a dedicated information technology (IT) support team or an external service provider. Any effective video wall application will consist of live backup signal processing, media playback equipment, and spare hardware that can be available for timely replacement in case of failure.

Conclusion

Implementing a video wall can be a complex task. However, you can ensure a successful and effective installation by considering the purpose and goals, screen type and resolution, processor, digital signage software, mounting and installation, and maintenance and support. With these considerations in place, you can create a video wall that engages and informs your audience, whether in a retail environment, corporate office, or public space.

Chris Melito is the manager of professional services at Omnivex, a digital communications software company based in Concord, Ont.

Source URL: https://www.signmedia.ca/perfecting-video-wall-projects/

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