ITU-T P.79-1999 标准详情
- 标准号:ITU-T P.79-1999
- 中文标题:电话机响度评定值(lrs)的计算
- 英文标题:calculation of loudness ratings for telephone sets
- 标准类别:国际电信联盟标准
- 发布日期:1999-09-01
This Recommendation describes the preferred method for calculating loudness ratings mainly in the case of local telephone systems which transmit a band of frequencies not exceeding about 180-4500 Hz. However, the general algorithm can also be used wi
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