ICS33.160 CCSM61 世界超高清视频产业联盟标准 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” 2022-02-16发布 2022-02-16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 T/UWA012.1-2022 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 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....................................................................................................4 6.3图像质量要求.............................................................................................................................................5 6.4电平范围.....................................................................................................................................................5 6.5基准信号电平.............................................................................................................................................5 7超高清播出节目音频信号技术要求.................................................................................................................5 7.1基本要求.....................................................................................................................................................5 7.2环绕声节目声道分配.................................................................................................................................5 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.................................................................................................................6 10超高清播出节目元数据基本要求...................................................................................................................6 11超高清播出节目文件记录要求.......................................................................................................................6 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 T/UWA012.1-2022 1前言 本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准化文件的结构和起草规则》的规定 起草。 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别这些专利的责任。 本文件由世界超高清视频产业联盟提出并归口。 本文件起草单位：中央广播电视总台超高清视音频制播呈现国家重点实验室、北京广播电视台、日 本夏普株式会社、中国电信集团有限公司、中国移动通信集团咪咕文化科技有限公司、海信视像科技股 份有限公司、京东方科技集团股份有限公