BS 7422(1991) : 1991 AMD 10092
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
SPECIFICATION FOR FILTERS FOR THE MEASUREMENT OF AUDIBLE SOUND IN THE PRESENCE OF ULTRASOUND
10-15-1998
11-23-2012
Committees responsible
National foreword
Specification
Introduction
1. Scope
2. Filter characteristics
3. Sensitivity to various environments
4. Rating information and instruction manual
Tables
1. U-weighting characteristics. Relative frequency
response and tolerances
2. Pole locations for U-weighting
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