Information technology — Multimedia framework (MPEG-21) — Part 22: User description (Adopted ISO/IEC 21000-22:2022, third edition, 2022-09)

This document outlines the technical specifications for the twenty-second part of the multimedia framework for MPEG-21, focusing on user description. It establishes a structured approach for defining, managing, and exchanging information related to users within digital multimedia environments. The framework provides guidelines for representing user preferences, profile characteristics, and interaction data to ensure interoperability across various systems and applications. By adopting international specifications, this standard aligns with global best practices for multimedia data management. The content covers definitions, data models, and encoding rules necessary for consistent user description implementation. It facilitates seamless integration of multimedia services by providing a common language for describing user attributes. This technical resource supports developers and system architects in creating compliant solutions for next-generation multimedia platforms. The guidelines are designed to enhance flexibility and scalability in user-related data handling across diverse digital media contexts.