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GB/T 47127-2026Information technology - Brain-computer interfaces - Multi-modal data format (English PDF)

信息技术　脑机接口　多模态数据格式

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

January 28, 2026

Implementation date

August 1, 2026

Scope

GB/T 47127-2026 is the English-translated version of 信息技术　脑机接口　多模态数据格式.

GB/T 47127-2026 is the Chinese standard "Information technology - Brain-computer interfaces - Multi-modal data format". Its scope clause reads: This document establishes the overall structure of the brain-computer interface multimodal data format, and specifies the directory hierarchy and different types of data files.

Content and naming conventions. This document applies to the storage of brain-computer interface data acquired simultaneously in a single or multimodal manner, covering modalities including electroencephalography (EEG) and functional neurological markers.

Near-infrared spectroscopy, magnetoencephalography, functional magnetic resonance imaging, intracranial electroencephalography, and microelectrode electrophysiology. Its clauses include terms and definitions.

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Document preview — GB/T 47127-2026

National Standard of the People's Republic of China

ICS: 35.020
Classification: L 67

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.Overall Structure
6.Directory Structure
6.1 Overview
6.2 Directory Naming Rules
7 Data Files
7.1 Overview
7.2 Dataset Metadata File
7.3 Subject Metadata Files
7.4 Session Metadata File
7.5 Signal Recording Data Files and Modal Metadata Files
7.6 Event Metadata File
References

1 Scope

This document establishes the overall structure of the brain-computer interface multimodal data format, and specifies the directory hierarchy and different types of data files.

Content and naming conventions.

This document applies to the storage of brain-computer interface data acquired simultaneously in a single or multimodal manner, covering modalities including electroencephalography (EEG) and functional neurological markers.

Near-infrared spectroscopy, magnetoencephalography, functional magnetic resonance imaging, intracranial electroencephalography, and microelectrode electrophysiology.

2 Normative references

This document has no normative references.

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1

A system for establishing a direct communication connection between the central nervous system of humans or other animals and external hardware and software systems.

Note. Brain-computer interfaces enable one-way or two-way communication with external devices and can be used to achieve control and/or feedback.

3.2 Data format

A standardized description of the logical structure and physical representation of data.

3.3 modality

Different forms or channels used to acquire, express, or perceive information.

Note. In the field of brain-computer interfaces, modality usually refers to the source or measurement method of the signal.

3.4

A graphical record of the voltage change over time obtained using scalp electrodes placed at designated locations.

[Source. IEC 60050-891.1998[1], 891-04-23]

3.5

Magnetic resonance imaging (MRI) is a technique used to record blood flow to functional areas of the brain.

Note. This technology relies on cerebral blood flow and neuronal activation coupling.

3.6

Optical brain monitoring technology that uses near-infrared light for functional neuroimaging.

Note. Functional near-infrared spectroscopy uses near-infrared light to measure brain activity to estimate cortical hemodynamic activity, which is a measure of neural activity.

response.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.

Referenced standards

Cited by

GB/T 47346-2026Information technology - Brain-computer interfaces - Coding and decoding of visual evoked potential data

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