UNI EN ISO 389-9 : 2009
Current
Current
The latest, up-to-date edition.
ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 9: PREFERRED TEST CONDITIONS FOR THE DETERMINATION OF REFERENCE HEARING THRESHOLD LEVELS
Published date
09-07-2009
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test conditions
5 Audiometric equipment
6 Reporting of data
Annex A (normative) Questionnaire for hearing tests
Annex B (informative) Background explanation
Bibliography
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