I.S. EN ISO 389-8:2004
Current
The latest, up-to-date edition.
ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 8: REFERENCE EQUIVALENT THRESHOLD SOUND PRESSURE LEVELS FOR PURE TONES AND CIRCUMAURAL EARPHONES
Hardcopy , PDF
English
01-01-2004
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Specifications
Annex A (informative) Notes on the derivation of the
reference equivalent threshold
sound pressure levels for the
circumaural audiometric earphone
HDA 200
Annex B (informative) Sound attenuation of the earphone
HDA 200
Annex C (informative) Correction figures for free-field
equivalent output of the circumaural
earphone HDA 200
Bibliography
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