Committees responsible
National foreword
Method
1 Scope
2 Normative references
3 Definitions
4 Choice of measurement method
5 Instrumentation
6 Test methods applicable to enclosures with the
actual sound source
7 Test methods applicable to enclosures without the
actual sound source
8 Uncertainty
9 Information to be recorded
10 Information to be reported
Annexes
A (normative) Artificial sound source
B (informative) Example of a source spectrum
C (informative) Guidelines for evaluating the
applicability of different test environments for
in situ measurements
D (informative) Estimated noise insulation due to
the enclosure for a specific noise spectrum
E (informative) Bibliography
Tables
1 Applicability of the different test methods
2 Data to be reported
C.1 Requirements concerning environmental correction K2
and background noise
C.2 Approximate values of the mean sound absorption
coefficient, a, for different room configurations
Figures
A.1 Artificial sound source
B.1 Source spectrum for an artificial sound source
constructed according to the guidelines given in
Annex A
C.1 Corresponding values of a and Sv/S