chapter  13
21 Pages

The MXF Data Model in Context

Although classes, properties, and property types have names, they are primarily identified by unique identifiers. AAF uses a 16-byte unique identifier known as an Authoring Unique Identifier (AUlD) for this purpose. The value of an AUlD is either an SMPTE 298M Universal Label (UL)4 or a lJUID.5