1    
Scope             
 2    
References    
 3    
Definitions    
 4    
Description of the object           
 5    
Physical dimensions of HATS  
        5.1    
Torso   
        5.2    
Head   
        5.3    
Pinna   
 6    
Acoustic characteristics             
        6.1  
  Sound pick-up   
        6.2    
Sound generation              
        6.3    
Composite characteristics               
 7    
Miscellaneous              
        7.1    
Calibration of the artificial ears     
        7.2    
DRP-ERP transfer function            
        7.3    
Stray magnetic field         
        7.4    
Atmospheric reference conditions 
        7.5    
Markings and calibration fixtures 
        7.6    
Delivery conditions           
        7.7    
Materials            
        7.8    
Stability