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ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 8: REFERENCE EQUIVALENT THRESHOLD SOUND PRESSURE LEVELS FOR PURE TONES AND CIRCUMAURAL EARPHONES

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2004

Publisher

National Standards Authority of Ireland

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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

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

Describes reference equivalent threshold sound pressure levels (RETSPLs) for pure tones in the frequency range from 125 Hz to 8 kHz. Applicable to the calibration of air conduction audiometers equipped with a particular model of circumaural earphones (SENNHEISER HDA 200).

DocumentType	Standard
Pages	16
PublisherName	National Standards Authority of Ireland
Status	Current

Standards	Relationship
BS EN ISO 389-8:2004	Identical
DIN EN ISO 389-8:2004-11	Identical
EN ISO 389-8:2004	Identical
DIN EN ISO 389-8 E : 2004	Identical
ISO 389-8:2004	Identical
UNI EN ISO 389-8 : 2004	Identical
UNE-EN ISO 389-8:2004	Identical