4K TV has just launched a few years ago when the hype, so dizzying, but the actual experience is not how good, on the one hand 4K TV is a mixed bag, from a lot of the panel, signal formats, processing chip fuss; another In terms of the lack of 4K film source, 4K TV has become a display. But for the LED display industry, this is not the case. 4K can be said to be the best solution for ultra-clear and small-pitch LED display .
Small pitch high-end application challenges
As the technology continues to mature, small-pitch led display High-end display applications are gaining popularity due to their own advantages. High-end applications have higher and higher requirements for display effects. For example, some require the best display effect, and must be customized, point-to-point display, that is, the video material should be customized according to the physical resolution of the led display , and the video signal processing is not scaled. Point-to-point display, so that a single 1080p full HD interface can no longer meet the needs of small pitch ultra-high resolution display.
Traditional non- 4K solutions are complex to operate
Before the 4K processor was introduced, the industry's common practice was to use multiple DVI output graphics to expand the stitching. One difficulty of this solution is that the operation is relatively complicated, and sometimes it is necessary to do the fusion processing for the seam. This requires a professional graphics card with fusion function. Another difficulty is the synchronization problem, whether it is AMD or NVDIA 's flagship graphics card or fusion. The function of the professional graphics card, multiple DVI output ports are also difficult to achieve full synchronization, so there will be tearing in the stitching position.
4K processor solution is easy to operate
Use 4K processor device, or only one HDMI display DP interface can be realized in order to achieve four DVI output expansion splicing. The playback operation on the PC side becomes very simple, and for the large screen system, the 4K processor LVP609 like VIDEO converts the 4K signal into multiple DVI outputs of 1920x1080 resolution , and the multiple output ports are completely synchronized. It only needs to use the common sending card to carry the load. Finally, through the quick splicing function of the LVP609 , the splicing can be completed automatically by simply inputting several parameters. In this way, it is not necessary to use a 4K transmission card which is expensive and does not have a scaling process , and the rich video signal interface provided by the processor also provides convenience for accessing different devices.
Difference in 4K signal itself
Regarding true and false 4K , it has been heated up for a while in the 4K TV field. 4K refers to the resolution of 3840x2160 or 4096x2160 . The signal with a width of less than 3840 cannot be called 4K , and the height of less than 2160 cannot be called 4K . The same 4K signal also has different differences, such as the frame rate is 30Hz or 60Hz , the color space is YUV or RGB, etc., which is very good for the LED display with good display effect .
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