ICS33.160 CCSM61 世界超高清视频产业联盟标准 T/UWA012.1—2023 代替T/UWA012.1-2022 “百城千屏”超高清视音频传播系统节目播出技术要求 TechnicalrequirementsofprogrambroadcastingofUHDvideoandaudio broadcastingsystemfor“BaiChengQianPing” 2023-08-21发布 2023-08-21实施 世界超高清视频产业联盟  发布 全国团体标准信息平台 全国团体标准信息平台 全国团体标准信息平台 全国团体标准信息平台 T/UWA012.1—2023 I目次 前 言.............................................................................1 1范围.................................................................................2 2规范性引用文件.......................................................................2 3术语和定义...........................................................................2 3.1超高清视音频节目ultrahighdefinitionvideoandaudioprogram...................2 3.24K超高清视音频节目4Kultrahighdefinitionvideoandaudioprogram.............2 3.38K超高清视音频节目8Kultrahighdefinitionvideoandaudioprogram.............2 3.4播控平台mastercontrol..........................................................3 3.5终端呈现系统terminaldisplaysystem.............................................3 3.6HDRVivid“菁彩”高动态范围（HighDynamicRangeVivid）.........................3 3.7AudioVivid“菁彩”声（AudioVivid）...........................................3 4缩略语...............................................................................3 5“百城千屏”超高清视音频传播系统流程.................................................3 6超高清播出节目视频信号技术要求.......................................................4 6.14K超高清播出节目视频信号技术要求.................................................4 6.28K超高清播出节目视频信号技术要求.................................................5 6.3图像质量要求.....................................................................5 6.4电平范围.........................................................................5 6.5基准信号电平.....................................................................6 7超高清播出节目音频信号技术要求.......................................................6 7.1概述.............................................................................6 7.2节目声道分配.....................................................................6 7.3音频信号参数要求.................................................................6 7.4音频电平和响度要求...............................................................6 7.5声音质量要求.....................................................................6 8超高清播出节目视音频同步要求.........................................................6 9超高清播出节目文件封装格式要求.......................................................7 10超高清播出节目元数据基本要求........................................................7 11超高清播出节目文件记录要求..........................................................7 12超高清播出节目存储介质..............................................................7 参考文献.........................................................................8 全国团体标准信息平台 全国团体标准信息平台 全国团体标准信息平台 全国团体标准信息平台