The new video wall project (Command center) based on VK S Series has been established, let us understand the project requirements:
The video wall consists of 2x6 55-inch LCD. The operator needs to support the display of 16 HDMI (4K) and 8 VGA signals to the video wall, and can move and stretch the window to achieve free control of the signal source. At the same time, it needs to support wireless control of mobile devices for convenient operation.
Reasons for applying VK S:
Support 4K HDMI Input
Since it is a central control room, it needs to support 7x24H work, control port backup, hot-swappable card and redundant power supply
Support basemap upload and scrolling text
Support splicing / roaming / pip / stretching display methods
What equipment is needed to build a control room based on AV Over IP? First let us understand the project requirements:
The video wall is composed of a 3x5 55-inch LCD. 10 PC (4K HDMI) servers in the computer room need to be connected to the control system. Eight operators can control these servers through KVM and push them to the video wall for display. Each operator is equipped with two monitors(FHD) and a set of keyboard and mouse.
10 x HDMI(4K) Input KVM //PC Server
15 x HDMI(FHD) Output // Video Wall Display
16 x HDMI(FHD) Output KVM // 8 x 2 Monitors
Diagram
Reasons for applying NP Lite:
Support 4K HDMI Input / Output
Distributed KVM, And supports mouse crossing
Support POE power supply, solve wiring problems
Support free expansion, after which input and output nodes can be added arbitrarily according to needs
Regardless of the content to be displayed and the application scene, various image systems need some way to control the viewer's viewing effect.
At present, the mainstream LCD splicing video wall can form a link between the screen and the screen through LOOP, thereby displaying a complete image, but if you need to display multiple video resources on the video wall at the same time in your application Move the position of all display windows freely, then you need a video processor to build a complete video wall control system. Imagine, a control room or a monitoring room-the more advanced and complex the system, the more powerful control mechanisms are necessary. However, not every controller system is the same. The best system provides the greatest flexibility and provides the necessary tools for the audiovisual personnel of enterprises or government organizations. Of course.
Now the controller has more functions waiting for your experience, such as: Scrolling Text (generate a piece of text that can be moved anywhere on the video wall), signal clip (cut any content in the signal source window to display), etc. The controller also supports a variety of signal source interfaces, HDMI / DVI / SDI / CVBS / DP..., even the IP stream of the network can be seamlessly accessed. No matter what type of your signal source equipment is, you can display them on the video wall through the video processor.
These features will help you get a better visual experience and receive more information.
To understand the video wall controller, first you need to know the video wall. Literally, a video wall is a wall or an area where content can be displayed. The common video walls on the market now consist of LCD splicing screens/LED/DLP. Video wall solutions have been well received in government, energy, finance, real estate and other industries.
Why do you need a video wall?
Display systems are not normally bigger than 70 to 80 inches diagonally. However, video wall can be scaled to much larger sizes than another display unit. Video wall with standard form factor can be made as large as 20 feet, which only a few rooms can handle. These video walls can also be incorporated as microtiles which operate on the same architecture as a standard video wall. Incredible size options make video walls the best options for city centres, airports and sports stadiums.
What is a video wall controller?
The video wall controller is a device that can manage the aforementioned video wall (output) and all connected signal sources (input).Hardware for visualizing various information and data.
The video wall controller is used to manage and control the display and operation of the video wall system. It can be operated according to the needs of customers and the display requirements of the video wall （It is widely used in monitoring centers, conference rooms, advertising displays, stage performances and other places that require large-screen high-definition display and data visualization.）
Video wall controllers are roughly divided into two categories, distributed architecture (AV OVER IP) and traditional hardware-based centralized controllers.
When we have multiple different signal sources or different images displayed on the same display or multiple display groups. We can use the video wall controller to combine, split, switch, zoom and other processing signals to meet the display requirements of the video wall.
As shown in the picture, on the left are different signal input sources input to the VKL video wall controller, and then transcoded and decoded by the controller. output to each display. We can connect PC to control via LAN, or use WiFi to control.
Video wall controllers usually connect multiple input devices (PC, player, Server) and centrally manage content.
Using the video wall controller device, you can zoom the image on the entire video wall, or spread multiple images on the entire video wall, or even stretch/roam/signal cropping...
In traditional AV systems, most of them are button-type or local control devices. Operations such as signal source switching can only be performed manually on the hardware. Of course, this prevents the system from being attacked by remote hackers, but it is undeniable that This greatly limits the convenience and functionality of the system.
Whether it is a traditional AV or an IP-based AV, the most useful AV products should have a command and control port that can remotely control the operation of the box, such as opening and closing or switching signal sources. For example, when it comes to touch panels or AV processors, a certain way can be used for remote command and control.
The signaling control layer can be protected by measures such as permissions, passwords or encryption. Whether it is a traditional AV product or AV Over IP product, it should bear the same security protection responsibility.
Video and audio content security
Will private assets like streaming media cameras be intercepted artificially? of course. Any video or audio input may face such problems, whether the video or audio is based on circuit-based analog or digital wiring, or based on the form of data packets on the IP network, in both cases, the audio and video signal source is possible Be cracked and accessed.
In terms of protecting video and audio, there is no substitute for rich expertise and responsible deployment. In fact, some people believe that the ability to encrypt packetized video and audio is better than traditional baseband video if they are worried that someone might try to invade and spy on these sources. It is worth noting that IP security issues have existed for a long time, and IP data and telephony have undergone multiple generations of continuous iterative improvements. In addition to information about IP network security and content encryption, there are many well-known consultants and experts in the security field who can help you-whether your requirements are complex or simple.
Cyber security
How to deploy an IPAV system is a question worth exploring. IP-based AV systems can be deployed on completely independent and isolated networks. Such networks will never coexist with data packets from other companies' data networks or communication networks. Or, deploy on the existing network infrastructure. Whether using a proprietary network or existing network facilities, the implementation and deployment of the AV system can be completed without affecting the security of the IT network. Nowadays, in many enterprises, the ability to integrate data, communication and AV use has often become a driving factor for the reinstallation or deployment of AV systems and promotes the development of the AV industry.
