ISO/IEC 21000-22:2019


Note: Latest version: ISO/IEC 21000-22:2022

Existing or new amendments and versions must be purchased separately.

Document services


This document standardizes four data formats: User Description (UD), Context Description (CD), Service Description (SD), and Recommendation Description (RD). This document also specifies technologies related to loudness control and visual expression.

Products specifications

  • Standard from ISO/IEC
  • Published:
  • Withdrawn:
  • Period for objection until:
  • Edition: 2
  • Document type: IS
  • Pages
  • Publisher: ISO/IEC
  • Distributor: ISO/IEC
  • ICS: 35.040.40
  • International TC: ISO/IEC JTC 1/SC 29

Product Relations

Product life cycle