IEC 61842:2002 PDF
Microphones and earphones for speech communications
Microphones and earphones for speech communications
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 28
- Дата публикации:
- 8 марта 2002 г.
- Издание:
- IEC IS 61842 edition 1 version 1
- ICS:
- 17.140.50
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.
Abstract
Overview
Похожие стандарты
Стандарты, упомянутые в описании