| 发明名称 |
Non-intrusive speech level and dynamic noise measurements. |
| 摘要 |
<p>A digital signal processor (115) is provided with the facility to measure accurately, and nonintrusively, the levels of noise and/or speech signals appearing on an in-service network connection (310). <IMAGE></p> |
| 申请公布号 |
EP0565224(A2) |
申请公布日期 |
1993.10.13 |
| 申请号 |
EP19930301118 |
申请日期 |
1993.02.17 |
| 申请人 |
AMERICAN TELEPHONE AND TELEGRAPH COMPANY |
发明人 |
RAMSDEN, DAVID B. |
| 分类号 |
G01R29/26;H04M3/30;H04M3/32 |
主分类号 |
G01R29/26 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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