GB/T 46271-2025 Active National standards

GB/T 46271-2025 Information technology—3D audio technology—Coding, distribution and presentation

Publish Date: 2025-08-29 Implement Date: 2026-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 46271-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Encoding, character sets, and character recognition

ICS Name: Character sets and information encoding

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Pages: 380 pages

Scope

This document describes the methods of encoding, distributing, and presenting 3D audio, compatible with audio formats such as mono, dual-channel stereo, and multi-channel surround sound.
This document is applicable to the encoding, distribution, and presentation of 3D audio in fields such as broadcasting, streaming media, online audio and video, real-time communication, virtual reality, augmented reality, and digital storage media.

Development Information

Word Count: 716 Thousand words Pages: 380 pages

Referenced Standards

GB/T 17191.1-1997 Information technology—Coding of moving pictures and associated audio for digital storage media at up to about 1.5Mbit/s—Part 1:Systems GB/T 17191.2-1997 Information technology—Coding of moving pictures and associated audio for digital storage media at up to about 1.5Mbit/s—Part 2:Video GB/T 17191.3-1997 Information technology—Coding of moving pictures and associated audio for digital storage media at up to about 1.5Mbit/s—Part 3:Audio GB/T 17191.4-2000 Information technology—Coding of moving pictures and associated audio for digital storage media at up to about 1.5 Mbit/s Part 4:Compliance testing GB/T 33475.3-2018 Information technology—High efficiency media coding—Part3:Audio GB/T 44115.3-2025 Information technology—Virtual reality content representation—Part 3:Audio GY/T 262-2012 Program volume and true peak audio level measurement algorithms GY/T 316-2018 Advanced sound system for program production GY/T 404-2024 Audio Definition Model (GY/T 404-2024) ITU-R BS.2094:2025 ETSI TS 126 445 V18.1.0

Related Standards

GB/T 2312-1980 Active

GB/T 2312-1980 Code of Chinese graphic character set for information interchange—Primary set

Publish Date: 1980-03-09

GB/T 1989-1980 Active

GB/T 1989-1980 Methods for indication of the 7-bit encoding character set for information processing switching on 12.7mm magnetic tape

Publish Date: 1980-07-10

GB/T 1991-1980 Abolished

GB/T 1991-1980 Methods for expression of the 7-bit encoding character set for information processing exchange on perforated paper tape

Publish Date: 1980-07-10

GB/T 3236-1982 Abolished

GB/T 3236-1982 Implementation of 7-bit and 8-bit coded character sets for information processing interchange on punched paper cards

Publish Date: 1982-11-16

GB/T 3469-1983 Replaced

GB/T 3469-1983 Codes for documentary types and documentary carriers

Publish Date: 1983-01-29

GB/T 3911-1983 Active

GB/T 3911-1983 Graphical representations of the control characters of 7-bit coded character set for information processing

Publish Date: 1983-11-02