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IEC 61842:2002 ed1.0
Microphones and earphones for speech communications
28 стр.
Действует
Печатная копияЭлектронный (pdf)
278.46 CHF (включая НДС 20%)
Разработчик:
Зарубежные/IEC
ICS:
33.160.50 Auxiliaries. Including headphones, loudspeakers, microphones, etc. / Вспомогательные устройства. Включая наушники, громкоговорители, микрофоны и т.д.17.140.50 Electroacoustics. Including sound level meters / Электроакустика. Включая слуховые аппараты и шумомеры
Описание
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.