ICS01.140.20 A14 广州市地方标准 DB4401/T50.2—2020 代替DBJ440100/T121.2—2012 声像档案质量要求 第2部分：视频 Qualityrequirementsfortheaudio-visualarchives —Part2:Videos 2020-06-08发布 2020-07-01实施 广州市市场监督管理局发布DB4401 DB4401/T50.2—2020 I目次 前言...............................................................................................................................................................Ⅲ 1范围...........................................................................................................................................................1 2规范性引用文件.......................................................................................................................................1 3术语...........................................................................................................................................................1 4收集...........................................................................................................................................................2 5质量要求...................................................................................................................................................2 6检测方法...................................................................................................................................................5