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UNI EN ISO 389-8 : 2004

Current

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

Published date

01-10-2004

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).

Committee
CT 2
DocumentType
Standard
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Current

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