现行 JJF 1797-2020
对讲系统全程语音特性测量仪校准规范 对讲系统全程语音特性测量仪校准规范 Calibration Specification for Measuring Instruments for Overall Speech Characteristics of Intercom Systems
发布日期：2020-01-17
实施日期：2020-04-17
分类信息
发布单位或类别： 中国 国家计量技术规范
CCS分类： A59综合 - 计量 - 声学计量
ICS分类： 17.140计量学和测量、物理现象 - 声学和声学测量
研制信息

归口单位： 全国声学计量技术委员会

起草单位： 上海市计量测试技术研究院、 国家安全防范报警系统产品质量监督检验中心(上海)、 中国计量科学研究院

起草人： 安兆亮、 戎玲、 钟波

标准简介

本规范适用于频率范围100Hz～8kHz，用于对讲系统等产品声质量评价的全程语音特性测量仪校准

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最后更新时间 2025-09-02