NZS 6801:1999
Acoustics - Measurement of sound
Defines basic quantities to be used for the description of sound in community environments and describes procedures for the determination of these quantities. It is intended to serve those needing to measure sound, particularly those whose evidence may be produced in legal or administrative courts or tribunals. It is also intended for use in industry to assist in the incorporation of acoustic design criteria into industrial developments.
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COMMITTEE REPRESENTATION
ACKNOWLEDGEMENT
COPYRIGHT
CONTENTS
RELATED DOCUMENTS
REVIEW OF STANDARDS
FOREWORD
1 SCOPE
2 INTERPRETATION
3 DEFINITIONS
4 SYMBOLS
5 INSTRUMENTATION
5.1 General
5.2 Sound level meters
5.3 Periodic verification
5.4 Field measurement checks (calibration)
5.5 Accessory equipment
6 MEASUREMENTS
6.1 General
6.2 Measurement positions
6.3 Outdoor measurements
6.4 Outdoor measurements made from buildings
6.5 Measurements inside buildings
6.6 When and how long to measure
7 METEOROLOGICAL EFFECTS ON SOUND MEASUREMENTS
7.1 Introduction
7.2 General
7.3 Meteorological effects and measurement conditions
7.4 General method
7.5 Prediction of sound levels
8 RECOMMENDED PROCEDURES FOR THE DETERMINATION OF DESCRIPTORS OF SOUND
8.1 General
8.2 Steady sound
8.3 Steady sound with stepped variations of level
8.4 Cyclic sound or separate sound events
8.5 Fluctuating sound
8.6 Impulsive sound
8.7 Separate sound events
8.8 Determination of background sound level
9 RECORDS OF MEASUREMENT
9.1 Records
9.2 Instrumentation and data processing
9.3 Measurement technique
9.4 Conditions prevailing during measurement
9.5 Acoustic data and description
APPENDIX
A - Definitions
B - Measurement techniques
C - Propagation of sound outdoors
D - Example of a prediction method
TABLE
1 – Symbols for sound levels
D1 – Incoming solar radiation
D2 – Sun altitude prediction
D3 – Definition of Pasquill Stability Categories
D4 – Determination of meteorological category
FIGURE
B1 – Steady sound
B2 – Steady sound with stepped variations in level
B3 – Cyclic sound
B4 – Fluctuating sound
B5 – Impulsive sound
B6 – The relationship of peak to other signal amplitudes
C1 – Ray paths showing downward and upward refraction of sound waves
Previous versions
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COMMITTEE REPRESENTATION
ACKNOWLEDGEMENT
COPYRIGHT
CONTENTS
RELATED DOCUMENTS
REVIEW OF STANDARDS
FOREWORD
1 SCOPE
2 INTERPRETATION
3 DEFINITIONS
4 SYMBOLS
5 INSTRUMENTATION
5.1 General
5.2 Sound level meters
5.3 Periodic verification
5.4 Field measurement checks (calibration)
5.5 Accessory equipment
6 MEASUREMENTS
6.1 General
6.2 Measurement positions
6.3 Outdoor measurements
6.4 Outdoor measurements made from buildings
6.5 Measurements inside buildings
6.6 When and how long to measure
7 METEOROLOGICAL EFFECTS ON SOUND MEASUREMENTS
7.1 Introduction
7.2 General
7.3 Meteorological effects and measurement conditions
7.4 General method
7.5 Prediction of sound levels
8 RECOMMENDED PROCEDURES FOR THE DETERMINATION OF DESCRIPTORS OF SOUND
8.1 General
8.2 Steady sound
8.3 Steady sound with stepped variations of level
8.4 Cyclic sound or separate sound events
8.5 Fluctuating sound
8.6 Impulsive sound
8.7 Separate sound events
8.8 Determination of background sound level
9 RECORDS OF MEASUREMENT
9.1 Records
9.2 Instrumentation and data processing
9.3 Measurement technique
9.4 Conditions prevailing during measurement
9.5 Acoustic data and description
APPENDIX
A - Definitions
B - Measurement techniques
C - Propagation of sound outdoors
D - Example of a prediction method
TABLE
1 – Symbols for sound levels
D1 – Incoming solar radiation
D2 – Sun altitude prediction
D3 – Definition of Pasquill Stability Categories
D4 – Determination of meteorological category
FIGURE
B1 – Steady sound
B2 – Steady sound with stepped variations in level
B3 – Cyclic sound
B4 – Fluctuating sound
B5 – Impulsive sound
B6 – The relationship of peak to other signal amplitudes
C1 – Ray paths showing downward and upward refraction of sound waves
Previous versions
NZS 6801:1999
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.