Scalability and Flexibility of Video Wall Processors

1. About the video wall processor

Video wall processors, also known as video wall controllers, are the brains behind any modern video wall. Without it, each content source would only be displayed on one screen. The ability to use the entire canvas as a whole makes video walls more effective in both control room scenarios and public spaces.

2. Video wall processor: Scalability and flexibility

Video wall processors should be scalable to support video walls with growth potential without adding a second processor. While the number of displays on your video wall may not change significantly after deployment, you should still plan for scalability in the number of outputs from your video wall controllers, especially for control rooms. As a rule of thumb, it is important to plan to have enough output to handle an extra row or column of monitors on the video wall. Scalability is also important for the number of sources you want to feed your video wall, whether they are physically connected or IP sources. Here, we recommend that you plan for at least 20% scalability of the video wall controller's capture capacity.

Each output on a video wall processor should have options to configure independently, using different resolutions and display orientations, as some may be horizontal while others may be vertical or completely non-standard shapes, some LCD and Other LEDs etc. Look for a video wall processor that maintains as much signal integrity as possible from the source to the video wall, enabling the capture of external sources without any loss of resolution or frame rate and with near-zero latency technology. Make sure the video wall processor can display any source anywhere and at any size on the video wall, and can also be viewed in multiple simultaneous instances. When selecting a video wall processor, it is crucial to consider scalability, ensuring that it can support potential growth in the number of displays and sources in an IP video wall environment. Additionally, the ability to configure each output independently, with different resolutions, orientations, and display technologies, while maintaining signal integrity and near-zero latency technology, allows for flexible and customizable visual arrangements on the video wall, providing an optimal display experience in video wall control room and other applications.

As AV-over-IP technology becomes more popular in the AV industry, be sure to look for a video wall processor, which are capable of decoding streams using H.264, H.265 (MPEG4 Part 10 AVC).

3. Video wall processor: Display

To optimize today's display technology, a video wall processor should provide an output that supports UHD (3840×2160) @60Hz resolution. Ensure that the video wall processor can decode multiple IP video streams at resolutions up to 4K. To take full advantage of the latest video wall technology, you need a video wall controller that can handle irregular resolution(non-standard aspect ratios), especially driving LED sending box, capture full color up to 4:4:4, maintain signal integrity, and at the same time process a large number of sources in multiple formats.

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