BS 5727:1979
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Hardcopy , PDF
01-01-2012
English
28-09-1979
National foreword
Cooperating organizations
1 Scope
2 Field of application
3 References
4 Measurements requiring spectral analysis as a
function of time
5 Measurements requiring only frequency weighting
6 Application to specific purposes
Annexes
A Sound attenuation in air
B Tables for the calculation of perceived noise
level
C Example of calculation procedure for tone
correction
D Confidence intervals for the mean of small
sample data sets
Tables
1 Values of eta (delta)
2 Values of fo
3 to 12 Sound attenuation coefficient in dB/100 m for
1/3 octave band analysis
3 Relative humidity = 10 %
4 Relative humidity = 20 %
5 Relative humidity = 30 %
6 Relative humidity = 40 %
7 Relative humidity = 50 %
8 Relative humidity = 60 %
9 Relative humidity = 70 %
10 Relative humidity = 80 %
11 Relative humidity = 90 %
12 Relative humidity = 100 %
13 Perceived noisiness in noys as a function of
sound pressure level
14 Coefficients m and Lo
15 Perceived noise level as a function of total
perceived noisiness
16 Confidence intervals for the mean of small
sample data sets
Figures
1 Permissible conditions of temperature and
relative humidity in test environment according
to 4.1.2.2 c)
2 Contours of perceived noisiness
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