BS ISO 6926 : 99 AMD 13404
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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ACOUSTICS - REQUIREMENTS FOR THE PERFORMANCE AND CALIBRATION OF REFERENCE SOUND SOURCES FOR THE DETERMINATION OF SOUND POWER LEVELS
23-11-2012
25-06-2002
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Measurement uncertainty
5 Performance requirements
5.1 General
5.2 Temporal steadiness and repeatability of sound
power output
5.3 Total broad-band sound power level
5.4 Spectral characteristics
5.5 Directivity index
5.6 Recalibration
6 Installation and operation of the reference sound
source during calibration
6.1 General
6.2 Position of the reference source
7 Calibration procedure in hemi-anechoic rooms
7.1 Test environment
7.2 Microphone
7.3 Microphone positions
7.4 Measurements
7.5 Air absorption
7.6 Calculations
8 Calibration procedure in reverberation rooms
8.1 Test environment
8.2 Microphone
8.3 Microphone positions
8.4 Measurements
8.5 Calculations
9 Information to be recorded
10 Information to be reported
Bibliography
Defines the acoustical performance requirements for reference sound sources - temporal steadiness and repeatability of the sound power output, spectral characteristics and directivity index.
| Committee |
EH/1
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| DevelopmentNote |
Supersedes BS 4196-8(1991) (01/2000) Supersedes 95/521168 DC Renumbered and superseded by BS EN ISO 6926 (07/2002)
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| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ISO 6926:2016 | Identical |
| ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
| IEC 61183:1994 | Electroacoustics - Random-incidence and diffuse-field calibration of sound level meters |
| ISO 3744:2010 | Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Engineering methods for an essentially free field over a reflecting plane |
| ISO 9613-1:1993 | Acoustics — Attenuation of sound during propagation outdoors — Part 1: Calculation of the absorption of sound by the atmosphere |
| ISO 3741:2010 | Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for reverberation test rooms |
| ISO 3745:2012 | Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms |