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GB/T 46269.2-2025High dynamic range (HDR) video technology - Part 2: Application guide (English PDF)

高动态范围（HDR）视频技术第2部分: 应用指南

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

August 29, 2025

Implementation date

March 1, 2026

Scope

GB/T 46269.2-2025 is the English-translated version of 高动态范围（HDR）视频技术第2部分: 应用指南.

GB/T 46269.2-2025 is the Chinese standard "High dynamic range (HDR) video technology - Part 2: Application guide". Its scope clause reads: This document provides application guidelines for supporting HDR metadata and adaptation as specified in GB/T 46269.1.

This document applies to high dynamic range video applications such as broadcast television, online audiovisual media, video surveillance, real-time communication, and digital storage media.

Processing of frequency signals, including acquisition, production, broadcasting, distribution, reception, and display. Its clauses include terms and definitions; abbreviations.

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Document preview — GB/T 46269.2-2025

National Standard of the People's Republic of China

ICS: 35.040
Classification: L 71

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
Introduction
1.Scope
2 Normative References
3.Terms and Definitions
4.Abbreviations
5.Overview
6.HDR metadata generation
6.1 Input/Output
6.2 Image Quality Monitoring
6.3 Dynamic Metadata Generation Mode
7 HDR metadata encapsulation
7.1 ES Stream Encapsulation of HDR Metadata
7.2 HDRMP4 file packaging
7.3 HDRHLS Stream Package
7.4 HDRDASH package
7.5 HDRTS Stream Package
8 HDR terminal applications
8.1 Terminal System Composition
8.2 HDR Terminal Decoding and Presentation
8.3 GPMI transmission of HDR metadata information
8.4 Other Interfaces for Transmitting HDR Metadata Information
Appendix A (Informative) HDMI Transmission of HDR Metadata Information
References

1 Scope

This document provides application guidelines for supporting HDR metadata and adaptation as specified in GB/T 46269.1.

This document applies to high dynamic range video applications such as broadcast television, online audiovisual media, video surveillance, real-time communication, and digital storage media.

Processing of frequency signals, including acquisition, production, broadcasting, distribution, reception, and display.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 17975.1 General coding of moving images and their accompanying sound information - Part 1.System

GB/T 46269.1 High Dynamic Range (HDR) Video Technology Part 1.Metadata and Adaptation

ISO /IEC 14496-12.2022 Information technology - Coding of audiovisual objects - Part 12.ISO basic media file formats (Infor-

ISO /IEC 23009-1 Information Technology - Dynamic Adaptive Bitstream over HTTP - Part 1.Media Presentation Description and Fragment Formatting finedcodesfornon-standardfacilities)

3 Terms and Definitions

The terms and definitions defined in GB/T 46269.1 apply to this document.

4 Abbreviations

The following abbreviations apply to this document.

GB/T 42443 | GB/T 40204 | GB/T 38663 | GB/T 42382.2 | GB/T 46271 | GB/T 46269.1 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 35 pages — is available in the English PDF.

Referenced standards

Normative references

IEC 14496 · IEC 23009

Editions of GB/T 46269.2

Edition	Title	Revision	Status
GB/T 46269.2-2025	High dynamic range (HDR) video technology - Part 2: Application guide	current edition	Current

This page sells the current edition, GB/T 46269.2-2025. Earlier editions are listed for reference only.

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