DIN EN ISO 389-7:1998-12
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 7: REFERENCE THRESHOLD OF HEARING UNDER FREE-FIELD AND DIFFUSE-FIELD LISTENING CONDITIONS
Hardcopy , PDF
07-03-2021
English
01-01-1998
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Specification
Annex A (informative) Notes on the derivation of
the reference thresholds of hearing
Bibliography
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