GB/T 42758-2023 English PDF

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GB/T 42758-2023: Advanced sound system for programme production
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Basic data

Standard ID: GB/T 42758-2023 (GB/T42758-2023)
Description (Translated English): Advanced sound system for programme production
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: M72
Classification of International Standard: 33.160.30
Word Count Estimation: 22,249
Date of Issue: 2023-05-23
Date of Implementation: 2023-12-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42758-2023: Advanced sound system for programme production

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 33:160:30 CCSM72 National Standards of People's Republic of China Advanced sound system for program production (ITU-RBS:2051-3:2022, MOD) Released on 2023-05-23 2023-12-01 Implementation State Administration for Market Regulation Released by the National Standardization Management Committee

table of contents

Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Abbreviations 1 5 Overview 1 6 Metadata requirements for sound content in advanced sound systems2 7 Loudspeaker configuration and layout for advanced sound systems 2 8 Headphone playback with advanced sound system 13 Appendix A (informative) Comparison between this document and ITU-RBS:2051-3:2022 structure number 14 APPENDIX B (INFORMATIVE) PROGRAMMAKING AND BACKGROUND FOR ADVANCED SOUND SYSTEMS15 Appendix C (Informative) Sound-Picture Localization Matching 17 Reference 18

foreword

This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting: This document is modified to adopt ITU-RBS:2051-3:2022 "Advanced Sound System for Program Production": The file type is established by the ITU's The protocol is adjusted to the recommended national standard of our country: Compared with ITU-RBS:2051-3:2022, this document has more structural adjustments: Structure number change comparison between two files See Appendix A for a list: The technical differences between this document and ITU-RBS:2051-3:2022 and their reasons are as follows: ---Changed the expression of "scope", and supplemented the scope of application of the document (see Chapter 1), in order to meet the requirements of our country's standard preparation; --- The chapter "Terms and Definitions" (see Chapter 3) has been added to meet the requirements for writing Chinese standards; --- The chapter "Abbreviations" (see Chapter 4) has been added to meet the requirements for writing Chinese standards; ---Change the references of Table 1 and Table 2 to required clauses (see Table 1 and Table 2): The following editorial changes have been made to this document: --- In Table 1 and Table 14, the description of the symbol "X" in the table is added; --- Changed the expression of Note 1 in Table 1; --- Added references: Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents: This document was proposed by the State Administration of Radio and Television: This document is under the jurisdiction of the National Radio, Film and Television Standardization Technical Committee (SAC/TC239): This document was drafted by: China Central Radio and Television, National Radio and Television Academy of Radio and Television Sciences, National Radio and Television Administration Radio and Television Planning Institute: The main drafters of this document: Jiang Wenbo, Guan Chaoyang, Zhou Yun, Deng Xiangdong, Guo Xiaoqiang, Jiao Jianbo, Zhang Jiandong, Zhai Nan, Lu Nannan, Qin Yili, Pang Chao, Dong Wenhui, Ning Jinhui, Wei Na, Wang Rui, Liu Hanyuan, Wang Qiang, Wang Qiannan: Advanced sound system for program production

1 Scope

This document specifies essential parameter values for advanced sound systems used in program production: This document is applicable to the production of sound programs, as well as the design, production, acceptance, operation and maintenance of advanced sound systems and equipment:

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document: ITU-RBS:1909 Performance requirements for advanced multi-channel stereophonic systems with or without accompanying pictures (Performancere- nying picture)

3 Terms and Definitions

The following terms and definitions apply to this document: 3:1 advanced sound system advancedsoundsystem Systems with playback configurations beyond those specified in ITU-RBS:775, or with any support for channel-based, object-based or field-based A system configured for playback of an input signal of a scene or a combination of such an input signal and metadata:

4 Abbreviations

The following abbreviations apply to this document: Hi-Fi High Fidelity (High Fidelity) HOA Higher-Order Ambisonics LFE Low-Frequency Effects (Low-Frequency Effects) Lsc left screen (LeftScreen) Rsc Right Screen (RightScreen)

5 Overview

This document specifies an advanced sound system that can carry static or dynamic program metadata associated with an audio stream: this ......

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