Sound system equipment - Part 24: Headphones and earphones - Active acoustic noise cancelling characteristics
文件核验信息（付费前可核对）
标准范围（官方英文摘要）
IEC 60268-24:2023 is applicable to active acoustic noise-cancelling headphones and earphones which have the function of reducing the noise heard by the user by the output sound from the transducer generated by the environment noise detection microphone and the noise reduction signal processing circuit.
This document specifies the terms and definitions of this type of headphones or earphones, the characteristics to be specified, and the measurement and evaluation methods.
The noise detection microphone or microphones are mounted in the body, on the surface, or on an accessory of the headphones or earphones. Signal processing circuits are analogue and digital electronic circuits.
This document does not deal with equipment intended for hearing protection.
The noise cancelling characteristic measurement methods can be applied to headphones and earphones having no active noise cancelling function.
标准信息
- 标准号
- IEC 60268-24:2023
- 英文标题
- Sound system equipment - Part 24: Headphones and earphones - Active acoustic noise cancelling characteristics
- 发布单位
- —
- 技术委员会
- TC 100/TA 20
- 版本 / 版次
- 1.0
- 状态
- 现行
- 发布日期
- 2023
- ICS 分类
- 33.160.01 音频、视频和视听系统综合
- 页数
- 50 页
- 官方定价
- CHF 150
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