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Norm
ISO 3745:1977
Issue date: 1977 05 01
Acoustics — Determination of sound power levels of noise sources — Precision methods for anechoic and semi-anechoic rooms
Specifies two laboratory methods. Gives requirements for the test room as well as the source location, operating conditions and instrumentation. Specifies techniques for ...
Withdrawn: 2003 11 25
Publisher:
International Organization for Standardization
Format:
Digital | 21 Pages
Language:
English
Currently valid:
ICS
Specifies two laboratory methods. Gives requirements for the test room as well as the source location, operating conditions and instrumentation. Specifies techniques for obtaining an estimate of the surface sound pressure level from which the weighted sound power level of the source and the sound power level in octave or one-third octave bands may be calculated.
ISO 3745:2012
2012 03 16
Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound...
Norm
ISO 3745:2003
2003 11 25
Acoustics — Determination of sound power levels of noise sources using sound pressure — Precision me...
Norm
ISO 3745:1977
1977 05 01
Acoustics — Determination of sound power levels of noise sources — Precision methods for anechoic an...
Norm
↖
Norm
Issue date :
2003 11 25
Acoustics — Determination of sound power levels of noise sources using sound pressure — Precision methods for anechoic and hemi-anechoic rooms
