1 Scope
2 References
3 Definitions
3.1 Terms defined elsewhere
3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Description of the object
7 Physical dimensions of the head and torso simulator
7.1 Torso
7.2 Head
7.3 Pinna
8 Acoustic characteristics
8.1 Sound pick-up
8.1.1 Measurement conditions
8.1.2 Free-field frequency response
8.1.3 Diffuse-field frequency response
8.1.4 Monaural frequency response of the HATS
8.1.5 Sound leakage
8.2 Sound generation
8.2.1 Normalized free-field response
8.2.2 Normalized obstacle diffraction
8.2.3 Maximum deliverable sound pressure level
8.2.4 Distortion
8.2.5 Linearity
8.3 Composite characteristics
8.3.1 Free-field plane wave diffraction at the MRP
8.3.2 Diffuse-field diffraction at the MRP
8.3.3 Mouth to ear crosstalk
9 Miscellaneous
9.1 Calibration of the artificial ears
9.2 DRP-ERP transfer function
9.3 Stray magnetic field
9.4 Atmospheric reference conditions
9.5 Markings and calibration fixtures
9.6 Delivery conditions
9.7 Materials
9.8 Stability
Annex A Interpolated 12th octave diffuse-field response
Bibliography