CONTENTS

 1     Scope and object
        1.1     Scope    
        1.2     Object    
 2     Normative references       
 3     Definitions  
 4     Abbreviations   
 5     Artificial ear types
        5.1     Type 1 – IEC 60318         
        5.2     Type 2 – IEC 60711         
        5.3     Type 3   
        5.4     Calibration of the artificial ears Type 1 and Type 3.2          
        5.5     Performance verification of the artificial ears Type 2, Type 3.1, Type 3.3 and Type 3.4    
        5.6     Atmospheric reference conditions   
        5.7     General requirements         
        5.8     DRP to ERP correction     
Annex A – A practical procedure for determination of the acoustic input impedance of artificial ears    
        A.1     Introduction          
        A.2     Calibration of the impedance probe           
        A.3     Artificial ear calibration