Core Viewpoint - The launch of Beijing's 4K Ultra HD channel marks a significant advancement in China's ultra HD industry, which is approaching a scale of 5 trillion yuan, driven by policy benefits, regional collaboration, and technological standards [1][2]. Group 1: Industry Development - The ultra HD industry in China is nearing a scale of 5 trillion yuan, with ongoing policy support and technological advancements driving growth [1]. - The launch of ultra HD channels by various regional broadcasters and platforms, including CCTV and major streaming services, has led to over 40% of new programs being ultra HD [2][3]. - The establishment of a complete "creation-manufacturing-distribution" loop is facilitating the transition from quantitative to qualitative breakthroughs in ultra HD development [2]. Group 2: Technological Advancements - Ultra HD technology enhances visual experiences through high resolution, frame rates, dynamic range, color depth, and quantization precision, redefining how viewers engage with content [1]. - The integration of ultra HD in various sectors, such as healthcare with 8K endoscopes and security with ultra HD surveillance systems, demonstrates its potential beyond entertainment [2]. - Future initiatives include upgrading equipment, expanding cable and IPTV networks, and promoting autonomous innovation in core technologies to support ultra HD applications across multiple industries [3]. Group 3: Future Directions - The industry aims to phase out standard definition channels by the end of the year and enhance the transmission of ultra HD channels nationwide [3]. - There is a focus on developing commercial space initiatives and leveraging 5G and 6G technologies to improve ultra HD signal transmission quality [3]. - The exploration of "ultra HD + AI/VR" integration scenarios is expected to further enhance the application of ultra HD technology in various fields [3].