How to use LED display reasonably in studio

With the development of LED display technology, LED is used more and more in TV studios and large-scale events broadcasted by TV. As an event background wall, it provides various vivid and dazzling background pictures and more interactive functions. The background picture is also dynamic and still, the performance and the background are integrated, the atmosphere of the scene and the program are perfectly integrated, and the functions and effects that other stage art equipment are difficult to achieve are realized. However, in order to give full play to the advantages of LED display, the following aspects should be paid attention to in the selection and use of LED display:

1. The shooting distance should be appropriate

As mentioned earlier when talking about the dot pitch and fill factor, LED screens with different dot pitch and fill factor have different shooting distances. 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 should be 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

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, and of course the more expensive it is. At present, the dot pitch of LED screens used in domestic TV studios 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 point-to-point display, so as to achieve the best possible resolution. good effect.

3. Color temperature adjustment

When the studio uses the LED screen 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 a good use environment

The life and stability of the LED screen are closely related to the working 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 screen and even cause leakage, which will lead to burnout in severe cases; dust will also absorb moisture, thereby corroding electronic circuits and causing some short-circuit problems that are not easy to troubleshoot, so pay attention to keep the studio clean.

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

Of course, the LED screen with so many advantages must also be used well in order to make its advantages fully manifested. Therefore, when using LED screens in TV programs, we need to choose suitable 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.

INDOOR LED SCREEN
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