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GB/T 31070.3-2021Building intercom systems—Part 3: Technical requirements for specific applications (English PDF)

楼寓对讲系统第3部分:特定应用技术要求

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

May 21, 2021

Implementation date

December 1, 2021

Scope

GB/T 31070.3-2021 is the English-translated version of 楼寓对讲系统第3部分:特定应用技术要求.

GB/T 31070.3-2021 is the part of the Chinese series on building intercom systems that covers the systems built for specific applications. It gives the classification, the functional requirements, the performance requirements, the test methods and the instruction documents of these systems.

It applies to specific application intercom systems, and other systems may follow it for reference. System makers, installers and building managers use it. Issued on 21 May 2021, it has applied since 1 December 2021.

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Document preview — GB/T 31070.3-2021

National Standard of the People's Republic of China

ICS: 13.310
Classification: A 91

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

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
3.1 Terms and definitions
3.2 Abbreviations
4 System classification
4.1 Classification by audio bandwidth
4.2 Classification by application scenarios
4.3 Classification by functional area of architectural acoustic environment
5 Functional requirements
5.1 General requirements
5.2 Basic functions
5.3 Extended functions
6 Performance requirements
6.1 Audio features
6.2 Video features
6.3 Power supply voltage adaptability
6.4 Environmental adaptability
6.5 Security
6.6 Electromagnetic compatibility
6.7 Marking and mechanical structure requirements
7 Test method
7.1 Test conditions
7.2 Function check
7.3 Audio characteristic test
7.4 Safety test
7.5 Electromagnetic compatibility test
7.6 Marking and mechanical structure test
8 Documentation
Appendix A (Normative Appendix) Application Requirements
Appendix B (Normative Appendix) Environmental requirements for noise simulation test in acoustic environment functional area scene
Appendix C (Normative Appendix) Neural Network-based Speech Quality Evaluation (NNSQE) Method
Appendix D (informative appendix) A typical NNSQE method---NNMOS scoring system
References

Foreword

GB/T 31070 "Intercom System for House Apartments" is divided into 4 parts.

---Part 1: General technical requirements;

---Part 2: Technical requirements for all digital systems;

---Part 3: Technical requirements for specific applications;

---Part 4: Application Guidelines. This part is Part 3 of GB/T 31070.

This section was drafted in accordance with the rules given in GB/T 1.1-2009.

Introduction

GB/T 31070.1-2014 stipulates the composition, functional requirements, performance requirements, test methods and inspection rules of the building intercom system.

Use technical requirements. GB/T 31070.2-2018 specifies the system structure, function requirements, performance requirements, and tests of the all-digital building intercom system Methods, documentation and inspection rules. This part of GB/T 31070 puts forward technical requirements for intercom systems used in specific occasions.

These systems include but are not limited to. public area alarm intercom system, prison intercom system, prison visit intercom system, interrogation room intercom system, Sentry box intercom system, scenic area alarm intercom system, bank self-service equipment help intercom system, bank window intercom system, anti-trailer door intercom system System, Metro/EMU car intercom system, platform help intercom system, highway intercom system, ward medical intercom system, operating room intercom system Intercom system, ICU (intensive care ward) intercom system, elderly care intercom system, industrial enterprise intercom system, elevator five-party intercom system Uniform. Building intercom system Part 3: Technical requirements for specific applications

1 Scope

This part of GB/T 31070 specifies the classification, functional requirements, performance requirements, test methods and instructions of specific application intercom systems file.

This section applies to specific application intercom systems, other systems can also refer to the implementation.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 4208-2017 Enclosure protection grade (IP code)

GB/T 14522-2008 Artificial weathering test method for plastics, coatings and rubber materials used in machinery industry products Fluorescent ultraviolet lamps

GB/T 15211-2013 Environmental adaptability requirements and test methods for security alarm equipment

GB/T 20138 The degree of protection of electrical equipment enclosures against external mechanical collisions (IK code)

GB/T 31070.1-2014 Building Intercom System Part 1: General Technical Requirements

GB/T 31070.2-2018 Building Intercom System Part 2: Technical Requirements for Fully Digital System ITU-TP 340 The transmission characteristics and speech quality parameters of the hands-free terminal (Transmissioncharacteristicsandspeech qualityparametersofhands-freeterminals) ITU-TP 501 Test signal for telephone measurement (Testsignalsforuseintelephonometry)

ITU-TP 830 Telephone bandwidth and wideband digital codec subjective performance evaluation (Subjectiveperformance assessmentoftelephone-bandandwidebanddigitalcodecs)

ITU-TP 863-2018 Perceptual objective listening quality prediction (Perceptual objective listening quality prediction)

ETSIEG202396-1 Voice and Multimedia Transmission Quality (STQ) Voice Quality Performance under Background Noise Conditions Part 1.

Background noise simulation technology and background noise database (SpeechProcessing, TransmissionandQualityAspects (STQ); Speechqualityperformanceinthepresenceofbackgroundnoise;Part 1: Backgroundnoisesimulation techniqueandbackgroundnoisedatabase)

ETSIEG202396-3 Voice and Multimedia Transmission Quality (STQ) Voice Quality Performance under Background Noise Conditions Part 3.

Background noise transmission-objective test method (SpeechProcessing, TransmissionandQuality Aspects (STQ); Speech QualityperformanceinthepresenceofbackgroundnoisePart 3.Backgroundnoisetransmission-Ob-jectivetestmethods)

3 Terms, definitions and abbreviations

3.1 Terms and definitions

The following terms and definitions defined in GB/T 31070.1-2014 and GB/T 31070.2-2018 apply to this document.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 32 pages — is available in the English PDF.

Referenced standards

Normative references

Cited by

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