ITU-T P.64-1999 标准详情
- 标准号:ITU-T P.64-1999
- 中文标题:本地电话系统灵敏度/频率特性的测定
- 英文标题:determination of sensitivity/frequency characteristics of local telephone systems
- 标准类别:国际电信联盟标准
- 发布日期:1999-09-01
Since the characteristics of carbon microphones are strongly dependent on conditioning techniques, it is necessary to follow a consistent procedure prior to measuring sensitivity/frequency characteristics in order to obtain reproducible results. The
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