Large-screen splicing processors and matrices and other equipment are often seen in system integration projects, large-screen splicing processors are the core equipment of the whole system, and matrices are also commonly used equipment to control signal input and output. But there are differences in working principle and functionality between the two. How to easily distinguish between a matrix switcher and a large-screen splicer?

1. Differences in principle

1.）The matrix is to switch the output of multiple input signals to multiple display devices, and generally speaking, the number of input signals is greater than the number of output signals.

2）The large-screen splicing processor divides a complete video signal into N blocks and assigns them to N display units (such as LED, LCD, DLP, PDP), and realizes the display of input video on the logic large screen spliced by multiple display units. In general, the number and type of input signals of the large-screen splicing processor depend on the user's needs, and the number of output signals is equal to the number of display units. The signal matching of the splicer is very flexible and free, and a variety of types of boards can be assembled on one device, including VGA boards, DVI boards, HDMI boards, SDI boards, CVBS boards, etc.

2. Functional differences

1） Because of the difference in working principle, the function of the two is different. The matrix can only be responsible for the switching of signals, and cannot be processed or effected. The large-screen splicing processor is very powerful, with matrix function, and can also realize arbitrary windowing, roaming, superimposing, scene saving and rotation.

2） The functions of matrix and large-screen splicing processors are different, and the roles they play in system integration engineering are also different. Users can choose according to their needs, and the two can also be jointly controlled.

In real engineering, how to choose a matrix switcher? There are still some tricks to choosing the right matrix.

1. Confirm whether to assign or switch signals

1） Generally speaking, the application of converting one input signal into multiple output signals is to distribute the signal, and what is needed is the distributor.

2） If you choose one output or multiple outputs for multiple input signals, you should choose a switcher or matrix switcher.

2. Confirm the selection of matrix signals

1） If it's an audio signal format (A), select the Audio Matrix Switcher.

2） If it is a video signal format (V), select a video matrix switcher.

3）If it's an AV mixed-signal format, choose an AV matrix switcher.

4） If it's a computer display signal format (VGA), choose a VGA matrix switcher.

5） If it is a network digital signal, choose a network video matrix switcher.

3. Confirm the selection of matrix size

The choice of matrix size, in short, is what is the input and output of the matrix, this in the design scheme, the number of signal sources is relatively easy to determine, see how many signal sources, the matrix input number scale is determined.

For example, for example, a small intelligent conference room, there are 16 computers, and the video content of the computer needs to be displayed on 16 large screens, according to the above selected tips, first of all, you can determine that this is the need for signal switching, and then the computer is generally VGA signal, and the large screen also has this corresponding interface, the signal and interface type of the matrix can be set as HDMI matrix, and then it depends on the amount of input and output: 16 computers, 16 screens. In this way, in the end, we chose the HDMI matrix 16 in and 16 out. If you need to have audio transmission, it is also very simple and clear through the above skills, that is, choose HDMI matrix 16 in 16 out with audio.

Of course, it is finally determined that the HDMI matrix is not bought and left, but also need to ask the manufacturer's after-sales service, because after all, we will inevitably be damaged when using the equipment, and it is also very likely that some inappropriate places will be found after buying back, at this time, it depends on the after-sales service of the merchant, if they do a good job in after-sales service, they can solve the problem for us, otherwise it will add some unnecessary trouble to us.