This standard BS EN 62261-1:2006 Television metadata is classified in these ICS categories:
35.040.40 Coding of audio, video, multimedia and hypermedia information
33.160.01 Audio, video and audiovisual systems in general
01.040.33 Telecommunications. Audio and video engineering (Vocabularies)
IEC 62261-1:2005(E) covers the use of metadata for all types of essence (video, audio, and data in their various forms). Applications of individual dictionary entries will vary but, when used, metadata shall conform to the definitions and formats in this metadata dictionary structure standard and the associated metadata dictionary recommended practice. See the IEC Television Metadata Dictionary.