Many events in Beijing Winter Olympics are in full swing. As the "Olympic Games on the Cloud" carried and operated by cloud computing for the first time in the history of the Olympic Games, "Technology Winter Olympics" is a highlight of this Beijing Winter Olympics. Dozens of core information systems, such as competition results, competition broadcast and information release, have been fully uploaded to the cloud, greatly improving the efficiency of operation and collaboration and reducing operating costs. In the live broadcast and broadcast of the event, many innovations such as 8K ultra-high definition, 8K VR free viewing angle, cloud broadcast technology, and the application of digital twin technology and holographic virtual image technology have made Beijing Winter Olympics unique in style and charm.
The "Science and Technology Winter Olympics" covers all aspects from venues and facilities to competitions, broadcasting and watching games. Among them, as a vital part, the wisdom of watching the game is closely related to the intuitive experience of the audience on countless "clouds". So, how to let the public approach the "Science and Technology Winter Olympics" personally?
Since the start of the Beijing Winter Olympics, China Mobile Mi Gu, as the official broadcaster of the 2022 Beijing Winter Olympics, has become the first choice for many spectators to watch the games with its full sense of science and technology. What groundbreaking technologies are behind its bright performance?
First, 8K ultra HD live broadcast reshapes the sensory experience of watching the game
The opening ceremony of the Winter Olympics "Every second is Chinese romance" is amazing all over the world, and the concept innovation and scientific and technological strength are perfectly integrated. To the surprise of the audience in front of the screen, this Winter Olympics is also the first Olympic Games in the world to use 8K technology for live broadcast of the opening ceremony and coverage of key events. On the night of the opening ceremony, at the 8K broadcast points of the opening ceremony of the Winter Olympics, such as China Mobile Business Hall and Migu Coffee Shop in Beijing, Shanghai, Chengdu, Nanjing, Xiamen and other places, many viewers directly hit the beautiful opening ceremony of the day through 8K ultra-high-definition live broadcast for the first time, and the first experience of "watching the Winter Olympics in 8K ultra-high-definition live broadcast" made countless audiences feel refreshed.
The family sat around watching the live TV broadcast of Winter Olympics, which became a rare Chinese New Year experience in this special ice and snow Spring Festival. In order to make more viewers feel the immersive live TV watching experience, Beijing Mobile IPTV has opened citizens to apply for the trial of 8K IPTV test products, which is the first broadband TV broadcast project in China that supports 8K, and will provide unprecedented ultra-HD live broadcast service for more viewers.
Second, HDR Vivid technology makes what you see come true
In order to truly present the 2022 Winter Olympic Games in front of the audience, under the overall layout of China Mobile, Migu Company applied HDR Vivid technology, one of the key achievements of ultra-high definition video technology innovation, to the live broadcast of the Beijing Winter Olympics. As an independent video technology standard with high dynamic range published in China, HDR Vivid has great advantages in bit depth, color gamut, maximum brightness, dynamic metadata and its adjustment, intelligent mapping and other technical parameters compared with traditional SDR.
By optimizing the video decoder, Migu Company explored a solution of HDR Vivid soft rendering for mobile terminals by using CPU multi-thread cooperation, video stream decoding and HDR Vivid key metadata extraction at the same time, which expanded the application scope of HDR Vivid standard, and optimized the rendering for ice and snow moving pictures, making the highlighted ice and snow pictures richer in layers, more delicate in picture texture, more prominent in athletes’ subjects and more realistic in visual effect.
Third, the AR studio is on the verge of ice and snow
On the evening of February 5th, the China short track speed skating mixed relay team won the first gold medal of the China delegation in this Winter Olympics, and the whole network was boiling. In the Migu Studio of China Mobile, Wang Meng, the champion of the Winter Olympics, partnered with Huang Jianxiang to perform the first show of "Professional and Humorous Qi Fei", which received 12 hot searches. "My eyes are rulers!" Waiting for the domineering golden sentence is the whole network to brush the screen, which has caused heated discussion. The Mi Gu Studio where they explained also contained Gan Kun, which was full of sense of science and technology and futurity.
In the Mi Gu Studio blessed by AR virtual technology, the scene can be changed at any time according to the live content, making people feel like they are always in the ice and snow field. The virtual VIZRT technology and the tactical analysis system will further enrich the dimension and depth of the event commentary and increase the visibility and professionalism of the live broadcast.
Four, MSC digital homo sapiens Gu Ailing "twin sisters" walked into the studio.
In the Winter Olympics, Gu Ailing won the gold medal in freestyle skiing women’s platform, which achieved a historic breakthrough for China athletes in this event. Outside the stadium, Meet GU, Gu Ailing’s "twin sister", an ultra-realistic intellectual, joined the China Mobile Migu Winter Olympics Guest Day Group, and before Gu Ailing’s competition, she appeared in the Migu Winter Olympics Studio to interact with the host and cheer for Gu Ailing. It is reported that this is also the first grand event in the history of live broadcast of the global Olympic Games in which several wise people appeared as guests.
Five, multi-channel explanation, multi-screen watching thousands of people watching the game.
On the first opening day, the # Curling Competition was discussed so loudly # The topic rushed to the hot search, and the original sound perspective of the Mi Gu video scene, which was loved by users, was immediately renamed as "How loud is it?" Poke here ",fun to respond to the interaction of netizens. This wave of "god-level operation" that has come and gone has also made many netizens shout that Mi Gu video is too fun.
In fact, the live acoustic perspective is just one of the many explanatory perspectives of Mi Gu video. During the Winter Olympics, in order to meet the audience’s different needs of watching the games, Migu video was launched with multiple commentary perspectives, including the commentary of Olympic champion, dialect, live soundtrack, CCTV, 5G bird’s-eye view of the Winter Olympics and other perspectives. With the multi-screen simultaneous viewing function of Migu video, you can watch multiple perspectives at the same time, and one screen can meet various needs, avoiding the trouble of switching back and forth, and don’t miss every wonderful moment.
VI. Real-time analysis of professional perspective of AI tactical analysis
For many spectators and ice fans, professional analysis when watching the game live is just needed. Recently, the perspective of "AI Tactical Analysis" was put into use in curling events, and the curve of curling movement during the competition was presented more intuitively in the form of live broadcast and analysis and explanation, which made many senior sports fans enjoy themselves and gained a lot. The audience who watched the curling competition for the first time praised: "I finally understand what the curling competition is about."
Seven, intelligent subtitles "for you who can’t hear"
This time, the "Intelligent Subtitle" function launched in the Mi Gu Video Winter Olympic Games has a warm name — — "For you who can’t hear" is called one of the warmest functions of watching the Winter Olympics by netizens. Intelligent subtitles rely on speech recognition technology, combined with neural network algorithm, and apply the natural semantic ability of real-time error correction of sports vertical scenes to realize the innovative large-scale commercialization of real-time bilingual subtitles of ultra-high-definition live broadcast of large-scale international events for the first time in China, which meets the needs of users in many countries and regions to watch live broadcasts and makes the commentary "audible" more "visible".
The intelligent subtitle function will cover hundreds of events such as figure skating, short track speed skating, snowboarding, freestyle skiing, etc., and comprehensively improve the effect of live subtitle transcription for various sub-competition scenes, providing warm-hearted companionship for users watching the game on the cloud.
Eight, AVS3 codec standard "immersion" to enjoy each frame.
During the Winter Olympics, China Mobile Mi Gu also joined hands with Peking University and Shanghai Jiaotong University to apply the AVS3 coding and decoding standard to the live broadcast of Mi Gu video games. This is also the first application and landing of the AVS3 standard in the live broadcast scene of the mobile terminal, which breaks the limitation of the mobile terminal chip on the domestic AVS3 coding and decoding standard, and is of great significance to China’s ultra-high definition video industry.
Compared with the international video coding standard HEVC, the coding performance of AVS3 is improved by nearly 30%, and the soft decoding ability of the terminal is improved from the original 25fps to 50fps. The figure of the ice and snow athletes flying from far to near is clearly visible in every frame, as if it were just around the corner.
Nine, 360-degree ring beat technology "bullet time" stays in the highlight
On February 6th, in the men’s snowboarding slope obstacle skill qualification competition, Su Yiming, a teenager from China after 00, made a perfect jump and advanced strongly with the first place in the qualification competition. In this competition, Mi Gu used the 360-degree loop shooting technology to reproduce Su Yiming’s high-quality 1620 movements in 360 degrees with the cool "bullet time" special effects, and permanently fixed this highlight moment.
This time, the 360-degree loop shooting technology used by Mi Gu overcomes the difficulties of traditional technology in fixing the venue and deploying equipment in advance, and innovatively introduces "smart-doing" technologies such as content analysis, person identification and tracking, 3D digital reconstruction, editing and synthesis rendering, which once again leads a big step in improving the viewing experience of the Winter Olympics.
X. 5G Cloud XR creates a three-dimensional viewing space combining reality and reality.
In addition, relying on the 5G cloud XR, Mi Gu will use the Inside-Out positioning technology, multi-instance playback technology and multi-channel independent video simultaneous playback function to realize the three-dimensional viewing experience through Nreal AR glasses and create a six-degree free-space event experience scene.
This is also the first time that 5G+XR technology has been applied to the Winter Olympics. In the three-dimensional live broadcast space of multi-games, which combines reality and reality, it also supports eight virtual screens such as live broadcast of three games, game results, medal list, schedule, related recommendations and hot-selling goods. Users can switch games at will by dragging the virtual screen. The screen can also be scaled and adjusted far and near, and flexible ray control is adopted, which effectively reduces the discomfort and dizziness caused by traditional rigid dragging, and realizes a new breakthrough in XR terminal and scene.
Beijing Winter Olympics is not only a sports event, but also a concentrated application of many scientific and technological achievements and technological innovations. As the distinctive background of this Winter Olympics, "scientific and technological innovation" will be engraved in Olympic history as a pioneer. China Mobile Migu will continue to devote itself to the "smart watching" experience of the Winter Olympics and other large-scale events, and help the "Winter Olympics in Science and Technology" to the public with more technical capabilities, and promote the inheritance and development of the concept of Winter Olympics in Science and Technology.