Electroacoustics - Audio-frequency induction loop systems for
assisted hearing - Part 1: Methods of measuring and specifying the
performance of system components
电声学.音频感应回路系统
辅助听力.第1部分:测量和规定听力的方法
系统组件的性能
IEC 62489-1:2010+A1:2014 applies to the components of audio-frequency induction-loop systems for assisted hearing. It may also be applied to such systems used for other purposes, as far as it is applicable. This standard is intended to encourage accurate and uniform presentation of manufacturers' specifications, which can be verified by standardized methods of measurement. It is intended for type testing. The components considered are the following: - amplifiers;
- microphones;
- other components, such as playback equipment.
IEC 62489-1:2010 does not deal with safety, for which IEC 60065
applies. It also does not deal with EMC (Electromagnetic
compatibility) and EMF (Electromagnetic fields, in the context of
human exposure).
This consolidated version consists of the first edition (2010)
and its amendment 1 (2014). Therefore, no need to order amendment in
addition to this publication.
This publication is to be read in conjunction with IEC 60118-4:2014.