BS 4196-2:1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Sound power levels of noise sources Precision methods for determination of sound power levels for discrete-frequency and narrow-band sources in reverberation rooms
Hardcopy , PDF
15-06-2000
English
29-03-1991
Committees responsible
National foreword
Method
0.1 Related International Standards
0.2 Synopsis of ISO 3742
0.3 Introduction
1 Scope and field of application
2 References
3 Determination of the significance of discrete-
frequency components and narrow bands of noise
4 Number of microphone positions and source locations
Annex
A Alternative qualification procedure for the
measurement of discrete-frequency components
Tables
1 International Standards specifying various methods
for determining the sound power levels of machines
and equipment
2 Uncertainty in determining sound levels of
discrete-frequency noise sources in reverberation
rooms
3 Procedures to be followed in the measurement of
discrete-frequency components or narrow bands of
noise
4 Number of microphone positions required and
constant K for determining number of source
locations
5 Test frequencies (or periods) for qualification of
facility for measuring sounds containing
significant discrete-frequency components
6 Maximum allowable standard deviation of Li
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