2025 is the 'Year of Ultra High Definition Development', and we will comprehensively promote the end-to-end full chain development of ultra high definition. "From April 22 to 25, the 31st China International Radio and Television Information Network Exhibition (CCBN2025) was held in Beijing, and Cao Shumin, Secretary of the Party Group and Director of the State Administration of Radio, Film and Television, said in her opening speech. The theme of this exhibition is "Better TV Listening - Technological Innovation Leading High Quality Development", focusing on cutting-edge fields such as end-to-end development of ultra high definition and the integration of artificial intelligence applications, comprehensively showcasing the breakthrough progress of China's TV listening industry in technological innovation and ecological reconstruction. The reporter learned that in the next three years, with the landing of 50 ultra high definition channels and the popularization of 650 million terminals, China's broadcasting and television listening industry is achieving a leap from "following" to "leading". Ultra high definition not only improves resolution, but also has technical characteristics such as high frame rate, high dynamic range, wide color gamut, and high quantization accuracy, which can comprehensively enhance the delicacy of the picture and improve the visual experience. ”Chang Jian, Deputy Director and First level Inspector of the Science and Technology Department of the State Administration of Radio and Television, stated in an interview with Science and Technology Daily that through the comprehensive application of high resolution, high frame rate, high dynamic range, wide color gamut, and high quantization accuracy, ultra high definition technology is redefining the creative logic and user experience of audiovisual content. Chang Jian introduced that ultra high definition technology gives creators greater artistic expression space. High resolution can finely depict scene details, high frame rate supports free capture of complex motion shots, and high dynamic range and wide color gamut technology can truly restore natural light, shadow, and color. Although China has achieved a breakthrough in ultra-high definition from scratch, there are still breakpoints and blockages in the industrial chain. Chang Jian stated that the current lack of willingness to produce ultra high definition content, uneven network transmission quality, and the need to improve terminal penetration rate have constrained the virtuous cycle of the industrial ecosystem. High production costs and low broadcasting demand lead to insufficient content supply; limited transmission network capacity causes high-quality content to 'not be transmitted'; some terminal devices have outdated technology, greatly reducing user experience, "said Chang Jian. To this end, the National Radio and Television Administration has implemented the strategy of "producing one batch, repairing one batch, and introducing one batch". In terms of content production, new TV dramas will basically achieve ultra-high definition by the end of 2025, and documentary evaluations will tilt towards ultra-high definition. Looking towards the future, Changjian predicts that the consumption of ultra high definition data is 3-5 times that of high definition, which will directly drive the utilization of 5G and gigabit optical networks; The explosive growth in sales of large-sized ultra high definition televisions will drive the upgrading of the panel, chip and other industrial chains; In vertical fields such as healthcare and security, more new scenarios such as remote diagnosis and intelligent inspection will emerge. (New Society)