Codes et normes - Achat
IEC 61842:2002
Microphones and earphones for speech communications
SKU: iec_006003_028567
Publié par IEC
Année de publication 2002
1.0 Edition
28 pages
détails du produit
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.