M00023778
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ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES USING SOUND PRESSURE - ENGINEERING METHODS FOR SMALL, MOVABLE SOURCES IN REVERBERANT FIELDS - PART 2: METHODS FOR SPECIAL REVERBERATION TEST ROOMS
International Organization for Standardization
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Availability date: 11/05/2021
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Noise source
6 Requirements for special reverberation test room
7 Instrumentation
8 Installation and operation of source under test
9 Measurements in test room
10 Calculation of sound power levels
11 Measurement uncertainty
12 Information to be recorded
13 Information to be reported
Annex A (normative) - Characteristics and calibration
of reference sound source
Annex B (informative) - Guidelines for the design of
special reverberation test rooms
Annex C (informative) - Examples of suitable
instrumentation systems
Annex D (informative) - Guidance on the development
of information on measurement uncertainty
Annex E (normative) - Sound power level under
reference meteorological conditions
Annex F (normative) - Calculation of A-weighted
sound power levels from octave band levels
Bibliography
Describes a relatively simple engineering method for determining the sound power levels of small, movable noise sources.
Published | |
Document Type | Standard |
Status | Current |
Publisher | International Organization for Standardization |
Pages | |
ISBN | |
Committee | TC 43 |
Supersedes |
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