Winter Olympics 322 square meters ultra-high-definition large screen made in Shenzhen

On February 11, late at night, reporters came to the Contemporary Mall in Beijing's Haidian District, where Beijing's largest urban public space screen is broadcasting in real time the "clearest" Olympic Games in history, the figure skating event of the Beijing Winter Olympics. In order to bring the audience an immersive viewing experience, Beijing has built a total of 20 8K urban public space screens in Badaling Great Wall, Shougang Park and other places, and Leyard, a leading LED display company from Shenzhen Longhua, has built 9 of them, highlighting the strong strength of Shenzhen Intelligent Manufacturing.

On February 11, in front of the ultra-high-definition outdoor screen of the Contemporary Mall in Haidian District, Beijing, Uncle Zheng and his grandson watched the Winter Olympic Games together. Shenzhen Evening News specially dispatched Beijing reporter Huang Wen to take a photo

The extra large screen is 4 stories high and 8 parking spaces wide

Even the splashing ice flowers can be seen

How big is the biggest screen? This 8K Ultra HD outdoor large screen is 13.44 meters high, 24 meters long, and has an area of more than 322 square meters, which is equivalent to 4 stories high and the width of 8 parking spaces, which will have a strong visual impact and shock when approaching. Outdoor screen, it is not difficult to achieve "big", real-time signal transmission and high definition is the main force of "show muscle". A passing Ms. Deng saw the Winter Olympic games on the big screen and couldn't help but stop and watch. She said: "Such a large screen, but it is clearer than what you see on TV at home, and even the splashing ice flowers can be seen clearly, which makes people feel immersed." "

The largest of this piece has a resolution of up to 7800×4368 pixels, the proper 8K Ultra HD standard. 8K is the highest standard in video display technology today, with 4x the clarity of 4K. Yuan Bo, CEO of Leyard Group, introduced that 8K is the mainstream direction of future display technology, and higher resolution can show more details and bring more realistic and shocking experience effects. The large screen can set the time brightness automatic conversion, even in the daytime sun, can ensure the clarity of the picture. At the same time, compared with the previous screen of the same size, the energy consumption is reduced by 40% to 50%.

However, 8K video has strict bandwidth requirements, at least more than 130Mbps transmission bandwidth, the previous 4G network transmission rate peak can only reach 100Mbps, so only based on the 5G network gigabit experience rate can ensure video backhaul quality. At this Winter Olympics, 5G signals cover all venues and the roads that connect them. This provides the necessary network connectivity for application scenarios such as ultra-high-definition video and various intelligent services.

First scaled use of 8K technology

Digital innovation applications will reach millions of households

Spring in Beijing is getting warmer, and Uncle Zheng, who lives in Haidian, and his grandson walk together. The little grandson was clamoring to watch the Winter Olympic games on the big screen, and the two simply sat down to watch quietly. Children are always full of curiosity about the world, in addition to being interested in the rules of the game and the athletes, Xiao Zheng asked Grandpa the most questions, or "Uncles and aunts of the TV station, why can you make the game so beautiful".

The live broadcast of the short track speed skating and figure skating events of the Beijing Winter Olympics that viewers saw on the TV screen used the world's first 5G+8K ultra-high-definition broadcast vehicle. The OB van is 17 meters long and 4.5 meters wide and can accommodate more than 20 staff members working on board at the same time. This set of professional broadcast trucks is the only ultra-high-definition domestic equipment progressive development comprehensive experimental platform in China, consisting of video cars and audio vehicles, integrating the world's most advanced broadcast vehicle technology such as 8K HDR, 4K HDR, and ultra-high-speed slow motion shooting.

The ultra-high-definition broadcast vehicle is independently designed by Zoomlion Superqing / Collaboration Center, and Yang Jian, deputy general manager of the company, introduced that the Beijing Winter Olympics is the world's first large-scale application of 8K technology for live broadcast of the opening ceremony and event reporting, he said: "Watching sports competitions, 8K signals and terminals are very advantageous. At present, the mainstream HDTV uses a 25-frame system, with only 25 frames of complete picture per second. While 8K has a full frame of at least 50 frames per second, the motion picture will look more fluid and continuous. "

Shenzhen Evening News sent a special Beijing reporter Huang Wen