This document defines means to uniquely identify content (an audiovisual work). It specifies the use of an externally defined identifier, such as ISAN, and it defines an alternative house numbering system. This document also defines the semantics of the use of the MPEG-2 content labeling descriptor for labeling audiovisual content with these identifiers in the ATSC Transport.
Download A/57B:2008, “Content Identification and Labeling for ATSC Transport”, approved 26 May 2008.
Subscribe to The Standard, our monthly newsletter, to stay up-to-date with ATSC news and events around the world.
ATSC
1300 I Street NW, Suite 400E
Washington, DC 20005 USA
Do you have questions about ATSC?
ATSC, The Broadcast Standards Association, is defining the future of broadcast around the world with the Internet Protocol-based ATSC 3.0 next-generation standard. ATSC is an international, non-profit organization developing voluntary multimedia standards. ATSC member organizations represent the broadcast, professional services and equipment, motion picture, consumer technology, computer, cable, satellite, and semiconductor industries.
© 2026 ATSC
