ELECTROACOUSTICS - SIMULATORS OF HUMAN HEAD AND EAR - PART 1: EAR SIMULATOR FOR THE MEASUREMENT OF SUPRA-AURAL AND CIRCUMAURAL EARPHONES
International Electrotechnical Committee
FOREWORD<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Construction<br> 4.1 General<br> 4.2 Tolerances<br> 4.3 Static pressure equalisation<br> 4.4 Calibrated pressure-type microphone<br> 4.5 Material<br> 4.6 Measurement plane<br> 4.7 Acoustic transfer impedance<br>5 Coupling of earphone to ear simulator<br> 5.1 Supra-aural earphones<br> 5.2 Circumaural earphones<br>6 Calibration<br> 6.1 Reference environmental conditions<br> 6.2 Method of calibration<br>7 Maximum permitted expanded uncertainty of measurements<br>Annex A (informative) Lumped-parameter electrical <br> network analogue of the ear simulator<br>Annex B (informative) Example of one specific design <br> of ear simulator<br>Annex C (informative) Measurement method for the<br> determination of the acoustical transfer <br> impedance of the ear simulator<br>Bibliography
Describes an ear simulator for the measurement of supra-aural and circumaural earphones (used for example in audiometry and telephonometry) applied to the ear without acoustical leakage, in the frequency range from 20 Hz to 10 kHz.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 29 |
