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Things need to be paid attention to when using full color LED screen in the studio

by JohnsonZhong on May 25, 2022

1. The shooting distance should be appropriate

The appropriate shooting distances are different for LED displays with different dot pitches and different fill factors. Taking an LED display screen with P4 and a fill factor of 60% as an example, the distance between the person being photographed and the screen is 4-10 meters, so that a better background picture can be obtained when shooting people. If the person is too close to the screen, when shooting close-up shots, the background will appear grainy, and it is easy to produce mesh interference.

2. The point spacing should be as small as possible
Dot pitch is the distance between the center points of adjacent pixels of the LED display. The smaller the dot pitch, the more pixels per unit area, the higher the resolution, the closer the shooting distance can be, and of course the more expensive it is. At present, the dot pitch of LED displays used in domestic TV studios is mostly 4-8 mm. It is necessary to carefully study the relationship between the resolution of the signal source and the dot pitch, and strive to achieve consistent resolution and point-to-point display, so as to achieve best results.

3. The color temperature should be adjusted well
When the studio uses the LED display as the background, its color temperature should be consistent with the color temperature of the lighting in the studio, so that accurate color reproduction can be obtained during shooting. According to the needs of the program, the lighting of the studio sometimes uses 3200K low color temperature lamps, sometimes 5600K high color temperature lamps, and the LED display needs to be adjusted to the corresponding color temperature to obtain satisfactory shooting results.

4. Ensure that there is a good use environment
The life and stability of the LED display are closely related to the operating temperature. If the actual working temperature exceeds the specified use range of the product, not only its life will be shortened, but the product itself will also be seriously damaged. In addition, the threat of dust cannot be ignored. Too much dust will reduce the thermal stability of the LED display and even cause leakage, which will lead to burnout in severe cases; dust will also absorb moisture, which will corrode electronic circuits and cause some short-circuit problems that are not easy to troubleshoot, so pay attention to keep the studio clean. .

The LED display has no seams, which can make the picture more perfect; it has lower power consumption, less heat, energy saving and environmental protection; it has good consistency and can ensure the indiscriminate display of the picture; the size of the box is small, which is convenient for the smooth composition of the background screen Modeling; the color gamut coverage is higher than other display products; it has the advantage of better weak reflection characteristics, and has high operational reliability and low post-operation and maintenance costs.

Of course, the LED display screen with so many advantages must also be used well in order to make its advantages fully manifested. Therefore, when using LED displays in TV programs, we need to choose suitable LED displays, understand their characteristics in depth, and select technical products as backgrounds for different studio conditions, program forms and requirements, so that these new technologies can maximize the take advantage of it.


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