Microphones and earphones for speech communications
NORM herausgegeben am 8.3.2002
Bezeichnung normen: IEC 61842-ed.1.0
Ausgabedatum normen: 8.3.2002
Zahl der Seiten: 28
Gewicht ca.: 84 g (0.19 Pfund)
Land: Internationale technische Norm
Kategorie: Technische Normen IEC
Applies to the microphone part and earphone part of handsets, headsets or earsets for speech communications, and also to the microphone units and earphone units of built-in handsets, headsets or earsets. Establishes definitions relating to these electroacoustic transducers, standardizes the characteristics to be specified and the relevant methods of measurement.