IEC 61842:2002
Microphones and earphones for speech communications
Ausgabedatum:
2002-03
Edition:
1.0
Sprache: EN - englisch
Seitenzahl: 28 VDE-Artnr.: 200859
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.