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Technology | “Four Essentials” Recipes for the LED Screen in the Studio

555 views admin 2020-04-16

LED screens are becoming more and more popular in TV studios. However, the effects of TV screens vary greatly during the use of LED screens. Some of the screens are bright and clear from the beginning to the end; some are small and unclear when viewed from a distance. This requires us to pay attention to several issues in the selection and use of LED screens.

Studio LED Screen

The shooting distance should be appropriate

As mentioned before about the dot pitch and fill factor, the appropriate shooting distance for LED screens with different dot pitch and different fill factors is different. Taking an LED display with a dot pitch of 4.25 mm and a fill factor of 60% as an example, the distance between the person being photographed and the screen is more suitable at 4-10 meters, so that when shooting people, you can get a better background picture. If the person is too close to the screen, when shooting a close-up, the background will appear grainy, and it is also easy to produce moire.


Point spacing should be as small as possible

The dot pitch is the distance between the center points of adjacent pixels of the LED screen. The smaller the dot pitch, the more pixels per unit area, the higher the resolution, the closer the shooting distance can be, of course, the more expensive the price. At present, the dot pitch of LED screens used in the studios of domestic TV stations is mostly 6-8 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 achieve point-to-point display to achieve the Good results.


The color temperature should be adjusted

When the studio uses the LED screen as the background, its color temperature should be consistent with the color temperature of the lights in the studio to obtain accurate color reproduction in the shooting. According to the needs of the program, the lighting of the studio sometimes uses 3200K low color temperature lamps and sometimes 5600K high color temperature lamps. The LED display screen needs to be adjusted to the corresponding color temperature to obtain a satisfactory shooting effect.

Studio LED Screen

Ensure a good environment

The life and stability of the LED screen are closely related to the operating temperature. If the actual operating temperature exceeds the specified range of use 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 screen or even cause leakage. In serious cases, it will cause burnout; the dust will also absorb moisture, which will corrode the electronic circuit and cause some short-circuit problems that are not easy to troubleshoot, so pay attention to keeping the studio clean.


The LED screen has no stitching, which can make the picture more perfect; lower power consumption, less heat, energy saving and environmental protection; it has good consistency, which can ensure the indiscriminate display of the picture; the cabinet size is small, which is convenient for the background screen to form a smooth shape ; Color gamut coverage is higher than other display products; It has the advantage of better weak reflective characteristics, and has high operational reliability and low operation and maintenance costs.


Of course, LED screens with so many advantages must also be used well in order to make its advantages fully manifest. Therefore, when using LED screens in TV programs, we must select the appropriate LED screens, understand their characteristics in depth, and select technical products as the background for different studio conditions, program forms and requirements, so that these new technologies can maximize their use Advantage


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