本标准定义了允许活动格式描述（AFD）和条形码数据的编码方法 在标准定义或高分辨率的10位垂直辅助（VANC）数据空间中传输的信息 清晰度分量电视信号。该标准定义了AFD和Bar数据信息的放置方式 根据SMPTE 291M的规定，将其放入用于运输的辅助数据包中。相关标准SMPTE 2016M-1定义了AFD和Bar数据的格式，并标识了视频 与之相关的图像和接口标准。附件C显示了以下各项之间的关系: 标准。

This Standard defines a method of coding that allows Active Format Description (AFD) and Bar Data information to be carried in the 10-bit vertical ancillary (VANC) data space of a standard definition or high definition component television signal. The standard defines how the AFD and Bar Data information is placed into an ancillary data packet for carriage in accordance with SMPTE 291M.An associated standard, SMPTE 2016M-1, defines the format for AFD and Bar Data and identifies the video image and interface standards with which it may be associated. Annex C shows the relationship among the standards.