发明名称 |
Side-tone control within a telecommunication instrument |
摘要 |
A side-tone control unit for a telecommunication instrument is configured to include a side-tone amplifier having a transfer function selectively controlled in accordance with a set of amplifier parameters, and a side-tone controller, coupled to the side-tone amplifier, for selectively applying the set of amplifier parameters to the side-tone amplifier based on the detected energy of an uplink signal and the detected energy of a downlink signal. The side tone controller can select a particular set of amplifier parameters by indexing a table in accordance with quantized values of the detected uplink signal energy and the detected downlink signal energy.
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申请公布号 |
US2002090078(A1) |
申请公布日期 |
2002.07.11 |
申请号 |
US20010758665 |
申请日期 |
2001.01.11 |
申请人 |
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL). |
发明人 |
FELTSTROM ALBERTO DIEGO JIMENEZ;ORMIN MATS;LINDGREN ULF AXEL;PERSSON JOAKIM |
分类号 |
H04M1/58;(IPC1-7):H04M1/00 |
主分类号 |
H04M1/58 |
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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