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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
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
|
| DevelopmentNote |
Supersedes BS 4196-8(1991) (01/2000) Supersedes 95/521168 DC Renumbered and superseded by BS EN ISO 6926 (07/2002)
|
| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ISO 6926:2016 | Identical |