CONTENTS

 1     Scope
 2     Object
 3     Definitions
 4     Physical dimensions of HATS
        4.1     Torso
        4.2     Head
        4.3     Pinna
 5     Acoustic characteristics
        5.1     Sound pick-up
                  5.1.1     Measurement conditions
                  5.1.2     Free-field frequency response
                  5.1.3     Diffuse-field frequency response
                  5.1.4     Monaural frequency response of HATS
                  5.1.5     Sound leakage
        5.2     Sound generation
                  5.2.1     Normalized free-field response
                  5.2.2     Normalized obstacle diffraction
                  5.2.3     Maximum deliverable sound pressure level
                  5.2.4     Distortion
                               5.2.4.1     Harmonic distortion
                  5.2.5     Linearity
        5.3     Composite characteristics
                  5.3.1     Free-field plane wave diffraction at MRP
                  5.3.2     Diffuse-field diffraction at MRP
                  5.3.3     Mouth to ear crosstalk
 6     Miscellaneous
        6.1     Calibration of the Artificial Ears
        6.2     DRP-ERP transfer function
        6.3     Stray magnetic field
        6.4     Atmospheric reference conditions
        6.5     Markings and calibration fixtures
        6.6     Delivery conditions
        6.7     Materials
        6.8     Stability
 7     References