Report ITU-R BT.2538-1 (10/2026) Use cases of versatile video coding multilayer profiles for broadcasting services
Foreword
Policy on Intellectual Property Right (IPR)
TABLE OF CONTENTS
1 Introduction
2 Multilayer coding capability of the VVC standard
     2.1 Multilayer profiles
     2.2 Multilayer coding technologies
3 Use cases of multilayer profiles
     3.1 Use case 1: Optimization of frequency resource utilization
          3.1.1 Issues
          3.1.2 Solution with multilayer profiles
          3.1.3 Features
          3.1.4 Alternative solutions
               3.1.4.1 Implementation using simultaneous encoding
     3.2 Use Case 2: Live content overlaid on offline-encoded video
          3.2.1 Issues
          3.2.2 Implementation with multilayer profiles
          3.2.3 Features
          3.2.4 Alternative solutions
               3.2.4.1 Implementation by video synthesis on the receiver side
               3.2.4.2 Implementation by content composition on the sending side
               3.2.4.3 Implementation by sub-picture coding
     3.3 Use Case 3: Premium content distribution linked to the Internet
          3.3.1 Issues
          3.3.2 Implementation with multilayer profiles
          3.3.3 Features
          3.3.4 Alternative solutions
               3.3.4.1 Implementation by changing the transmission method
               3.3.4.2 Implementation by adding a transmission route
     3.4 Use Case 4: Sub-content delivery based on viewers’ demands
          3.4.1 Issues
          3.4.2 Implementation with multilayer profiles
          3.4.3 Features
          3.4.4 Alternative solutions
               3.4.4.1 Implementation by sub-picture coding
               3.4.4.2 Implementation by screen synthesis in the receiver
               3.4.4.3 Realization by screen synthesis on the sending side
4 Signalling of video layer information in VVC multilayer bitstreams
5 Signalling of video layer information in multiplexing layer
6 Concept of association between video and audio presentations