ANSI/ASA S12.56/ISO 3746 : 2011(R2016)
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
06-29-2020
English
05-06-2016
1 Scope
2 Normative references
3 Terms and definitions
4 Test environment
5 Instrumentation
6 Definition, location, installation and operation
of noise source under test
7 Reference box and measurement surface
8 Determination of sound power levels and
sound energy levels
9 Measurement uncertainty
10 Information to be recorded
11 Test report
Annex A (normative) - Determination of the
environmental correction
Annex B (normative) - Microphone arrays on a
hemispherical measurement surface
Annex C (normative) - Microphone arrays on a
parallelepiped measurement surface
Annex D (informative) - Guidelines on the development
of information on measurement uncertainty
Bibliography
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