Rec. ITU-T P.51 (03/1993) � ARTIFICIAL MOUTH
FOREWORD
CONTENTS
1 Scope
2 Object
3 Definitions
4 Acoustic characteristics of the artificial mouth
    4.1 Normalized free-field response
    4.2 Normalized obstacle diffraction
    4.3 Maximum deliverable sound pressure level
    4.4 Harmonic distortion
    4.5 Linearity
5 Miscellaneous
    5.1 Delivery conditions
    5.2 Stability
    5.3 Stray magnetic field
    5.4 Declaration of model type