CCITT P.64-1999 标准详情
- 标准号:CCITT P.64-1999
- 中文标题:测定灵敏度/频率特性本地电话系统的
- 英文标题:Determination Of Sensitivity/frequency Characteristics Of Local Telephone Systems
- 标准类别:国际电报电话咨询委员会标准
- 发布日期:
Deals with electro-acoustical measurements required for supply of sensitivity/frequency characteristics for use in calculation of loudness ratings or estimation of other subjectivity-determined quantities. Basis must be formed under real conditions a
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