AS 5332:2019
Current
The latest, up-to-date edition.
Acoustics - Determination of sound power levels of noise sources - Guidelines for the use of basic standards
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
English
06-06-2019
The objective of this Standard is to specify methods for determining the sound power level or sound energy level of a noise source from sound pressure levels measured in a reverberation test room.
| Committee |
EV-010
|
| DocumentType |
Standard
|
| ISBN |
978 1 76072 485 6
|
| Pages |
62
|
| PublisherName |
Standards Australia
|
| Status |
Current
|
| Supersedes |
This International Standard specifies methods for determining the sound power level or sound energy level of a noise source from sound pressure levels measured in a reverberation test room. The sound power level (or, in the case of noise bursts or transient noise emission, the sound energy level) produced by the noise source, in frequency bands of width one-third-octave, is calculated using those measurements, including corrections to allow for any differences between the meteorological conditions at the time and place of the test and those corresponding to a reference characteristic impedance. Measurement and calculation procedures are given for both a direct method and a comparison method of determining the sound power level and the sound energy level.
In general, the frequency range of interest includes the one-third-octave bands with mid-band frequencies from 100 Hz to 10 000 Hz. Guidelines for the application of the specified methods over an extended frequency range in respect to lower frequencies are given in Annex E. This International Standard is not applicable to frequency ranges above the 10 000 Hz one-third-octave band.
NOTE For higher frequencies, the methods specified in ISO 9295 can be used.
| Standards | Relationship |
| ISO 3741:2010 | Identical |
First published as AS 5332:2019.
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