10/30094845 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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BS ISO 3745 - ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - PRECISION METHODS FOR ANECHOIC TEST ROOMS AND HEMI-ANECHOIC TEST ROOMS
Hardcopy , PDF
English
30-04-2012
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Reference meteorological conditions
5 Test rooms
6 Instrumentation
7 Definition, location, installation and operation of noise
source under test
8 Measurement surface
9 Determination of sound power levels and sound energy levels
10 Measurement uncertainty
11 Information to be recorded
12 Information to be reported
Annex A (normative) - General procedures for qualification of
free-field and hemi-free-field rooms
Annex B (normative) - Qualification procedure for spaces within
test rooms used in the determination of sound power
levels and sound energy levels of specific noise
sources
Annex C (normative) - Calculation of A-weighted sound power
levels and A-weighted sound energy levels from
one-third-octave band levels
Annex D (normative) - Array of microphone positions on a
spherical measurement surface in a free field
Annex E (normative) - Arrays of microphone positions on a
hemispherical measurement surface in a hemi-free field
Annex F (normative) - Coaxial circular paths of microphones
on a hemispherical measurement surface in a hemi-free
field
Annex G (normative) - Meridional paths of microphones on a
hemispherical measurement surface in a hemi-free field
Annex H (normative) - Spiral paths of microphones on a
hemispherical measurement surface in a hemi-free field
Annex I (informative) - Guidance on the development of information
on measurement uncertainty
Bibliography
BS ISO 3745
| Committee |
EH/1/4
|
| DocumentType |
Draft
|
| Pages |
73
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
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