DIN EN 61842-2002 语音传递用扩音器和耳机 (IEC 61842:2002); 德文版本 EN 61842:2002

标准号：DIN EN 61842-2002
中文标准名称：语音传递用扩音器和耳机 (IEC 61842:2002); 德文版本 EN 61842:2002
英文标准名称：Microphones and earphones for speech communications (IEC 61842:2002); German version EN 61842:2002
标准类型：L31
发布日期：1999/12/31 12:00:00
实施日期：2002/11/1 12:00:00
中国标准分类号：L31
国际标准分类号：17.140.50;33.160.50
适用范围：This standard 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. The object of this standard is to establish definitions relating to these electroacoustic transducers, and to standardize the characteristics to be specified and the relevant methods of measurement. This does not exclude the use of other methods of measurement which can be shown to give the same or more reliable results