When creating a video wall, you need to understand that seamless video walls and synchronization of multiple devices need defferent configurations. And it's also very important to select the correct equipment.
For the correct using of this option, it is required to:
- use devices with average performance or higher (Intel Core i3 or higher, 4 GB RAM or higher, SSD);
- use the recommended OS (Windows 8.1 or Android 4.4);
- use a wired network connection for all synchronized devices;
- use a closed network on a separate switch;
- use a specially configured switch (network) with IGMP v2 and multicast and switched off QoS and other traffic controllers.
For seamless video walls
1) Use end-to-end connection of prof. TV panels: send one signal from the nettop, and the prof.panels as a chain transmit the picture further. Set the configuration of the prof. panels. Most of TV prof.panels support this option. It's sutable for video walls based on up to 12 panels (depends on the manufacturer).
- high cost of TV panels
- max total resolution (4K).
2) Use computers with many video outputs.
For example you can connect a lot of professional panels to the PC.
It's sutable for video walls based on up to 12 panels.
- The equipment must have high technical characteristics
- Cost of equipment
- Large resolution
3) Use matrix switchers or video servers.
Video server generates a video signal which is sent to the input of a matrix switcher, the switcher cuts the picture and sends it to several video outputs that go to the TV panels. It's sutable for video walls based on up to 20-30 panels.
- very high price of the switch
- the resolution is more than 4K
For separated screens standing at the distance of at least 30-50 cm from each other but forming one installation, the P2P mechanism is suitable.
It's sutable for video walls based on up to 250 panels.
The theoretical maximum is unlimited.
- many broadcasting points
- the actual resolution (the total sum of all resolutions of all screens), no losses
- unlimited imagination in mechanics, including interactive, partial synchronization and many others.