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TechSpec
  • Foreword
  • Introduction
  • 1 Scope
  • 2 References
  • 3 Definitions, symbols and abbreviations
  • 4 Architectures and Interfaces for Virtual Reality
    • 4.1 Definitions and Reference Systems
      • 4.1.1 Overview
      • 4.1.2 3GPP 3DOF Coordinate System
      • 4.1.3 Video Signal Representation
      • 4.1.4 Audio Signal Representation
    • 4.2 End-to-end Architecture
    • 4.3 Client Reference Architecture
    • 4.4 Rendering Schemes, Operation Points and Media Profiles
    • 4.5 Audio Rendering
  • 5 Video
  • 6 Audio
  • 7 Metadata
  • 8 VR Presentation
  • 9 VR Metrics
  • A.1 Introduction
  • A.2 Video
    • A.2.1 Overview
    • A.2.2 Decoded Texture Signal Constraints
    • A.2.3 Conversion of ERP Signals to CMP
      • A.2.3.1 General
      • A.2.3.2 Equirectangular Projection (ERP)
      • A.2.3.3 Cubemap Projection (CMP)
      • A.2.3.4 Conversion between two projection formats
  • B.1 General
  • B.2 Interfaces
  • B.3 Preprocessing
  • B.4 Scene Displacement Processing
  • B.5 Headphone Output Signal Computation
  • C.1 3GPP Registered URIs
  • D.1 Comparable quality viewport switching latency
  • D.2 Rendered viewports
  • D.1 Comparable quality viewport switching latency

    1 Scope

    26.1183GPPRelease 17TSVirtual Reality (VR) profiles for streaming applications

    Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

    The present document defines interoperable formats for Virtual Reality for streaming services. Specifically, the present document defines operation points, media profiles and presentation profiles for Virtual Reality. The present document builds on the findings and conclusions in TR 26.918 [2].