BS 3045:1981
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Method of expression of physical and subjective magnitudes of sound or noise in air
Hardcopy , PDF
15-05-2000
English
27-02-1981
Foreword
Cooperating organizations
Method
0 Introduction
1 Scope and field of application
2 References
3 Physical magnitudes of sound or noise
4 Subjective magnitudes of sound or noise
Table
Relation between loudness level, LN, in phons and
loudness, N, in sones
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