ITU P.51:1996
ITU P.51:1996 Artificial Mouth Specifies the acoustical and electrical characteristics of the Artificial Mouth used for telephonometric measurements.
Table of Contents
1Scope2Normativereferences
3Object
4Definitions
5Acousticcharacteristicsoftheartificialmouth
5.1Normalisedfree-fieldresponse
5.2Normalisedobstaclediffraction
5.3Maximumdeliverablesoundpressurelevel
5.4Distortion
5.5Linearity
6Miscellaneous
6.1Deliveryconditions
6.2Stability
6.3Straymagneticfield
6.4Declarationofmodeltype