GB 50526-2010 GB 50526-2010公共广播系统工程技术规范：英文

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Announcement　of　Ministry　of　Housing　and　Urban-Rural　Development　of　the　People　s　Republic　of　China

Foreword

1　General　Provisions

2　Terms

3　Project　Design

3.1　General　Requirements

3.2　Ensured　Functions

3.3　Electro-acoustic　Performance　Indexes

3.4　System　Configuration

3.5　Transmission　Lines

3.6　Loudspeakers

3.7　Power　Amplifiers

3.8　Signal　Source　Equipment

4　Project　Construction

4.1　General　Requirements

4.2　Transmission　Cable　Laying

4.3　Loudspeaker　Mounting

4.4　Equipment　Installation

4.5　System　Adjustment

4.6　Trial　Operation

5　Measurement　for　Electro-acoustic　Performance

5.1　General　Requirements

5.2　Measurement　Point　Selection

5.3　Measurement　for　Transmission　Frequency　Response

5.4　Measurement　for　Sound　Field　Irregularity

5.5　Measurement　for　Ensured　Sound　Pressure　Level

5.6　Measurement　for　Leak　Out　Acoustic　Attenuation

5.7　Measurement　for　System　Signal-to-noise　Ratio

5.8　Measurement　of　STIPA

6　Project　Inspection　and　Acceptance

6.1　General　Requirements

6.2　Inspection　and　Acceptances

Appendix　A　Tables　for　Construction

Appendix　B　Tables　for　Inspection　and　Acceptance

Explanation　of　Wording　in　This　Code

List　of　Quoted　Standards

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