A/57B: Content Identification And Labeling For ATSC Transport, Revision B

26 May 2008

This document defines mean 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.

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