为保障19届亚运会绍兴赛事宣传的多块8K超高清户外 LED 城市大屏的安全播出,以及节约8K信源的传输成本,降低大屏运维成本,绍兴市新闻传媒中心开发完成了城市8K户外大屏集控系统,该系统包含对各大屏播出信源的远程控制、播出内容监测、...为保障19届亚运会绍兴赛事宣传的多块8K超高清户外 LED 城市大屏的安全播出,以及节约8K信源的传输成本,降低大屏运维成本,绍兴市新闻传媒中心开发完成了城市8K户外大屏集控系统,该系统包含对各大屏播出信源的远程控制、播出内容监测、大屏内及大屏机房运行环境的监控、运维管理等模块,经过一年多时间的实际运行,取得了比较理想的实践效果。展开更多
The size of the Audio and Video(AV)content of the 8K program is four times larger than that of 4K content,providing viewers with a more ideal audiovisual experience while placing higher demands on the capability and e...The size of the Audio and Video(AV)content of the 8K program is four times larger than that of 4K content,providing viewers with a more ideal audiovisual experience while placing higher demands on the capability and efficiency of document preparation and processing,signal transmission,and scheduling.However,it is difficult to meet the high robustness requirements of 8K broadcast services because the existing broadcast system architecture is limited by efficiency,cost,and other factors.In this study,an 8K Ultra-High-Definition(UHD)TV program broadcast scheme was designed.The verification results show that the scheme is high quality,highly efficient,and robust.In particular,in the research,the file format normalizing module was first placed in the broadcast area instead of the file preparation area,and the low-compression transmission scheme of the all-IP signal JPEG XS was designed in the signal transmission area for improving the efficiency of the scheme.Next,to reduce the impact on the robustness of broadcast services,the broadcast control logic of the broadcast core components is optimized.Finally,a series of 8K TV program broadcasting systems have been implemented and their performance has been verified.The results show that the system meets the efficiency and robustness requirements of a high-quality 8K AV broadcast system,and thus has a high degree of practicability.展开更多
文摘为保障19届亚运会绍兴赛事宣传的多块8K超高清户外 LED 城市大屏的安全播出,以及节约8K信源的传输成本,降低大屏运维成本,绍兴市新闻传媒中心开发完成了城市8K户外大屏集控系统,该系统包含对各大屏播出信源的远程控制、播出内容监测、大屏内及大屏机房运行环境的监控、运维管理等模块,经过一年多时间的实际运行,取得了比较理想的实践效果。
文摘The size of the Audio and Video(AV)content of the 8K program is four times larger than that of 4K content,providing viewers with a more ideal audiovisual experience while placing higher demands on the capability and efficiency of document preparation and processing,signal transmission,and scheduling.However,it is difficult to meet the high robustness requirements of 8K broadcast services because the existing broadcast system architecture is limited by efficiency,cost,and other factors.In this study,an 8K Ultra-High-Definition(UHD)TV program broadcast scheme was designed.The verification results show that the scheme is high quality,highly efficient,and robust.In particular,in the research,the file format normalizing module was first placed in the broadcast area instead of the file preparation area,and the low-compression transmission scheme of the all-IP signal JPEG XS was designed in the signal transmission area for improving the efficiency of the scheme.Next,to reduce the impact on the robustness of broadcast services,the broadcast control logic of the broadcast core components is optimized.Finally,a series of 8K TV program broadcasting systems have been implemented and their performance has been verified.The results show that the system meets the efficiency and robustness requirements of a high-quality 8K AV broadcast system,and thus has a high degree of practicability.
