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Telephone loudspeaker unit echo limiting system having signal intensity set during receiver output transmission following set level base noise/parasitics determined.
Telephone loudspeaker unit echo limiting system having signal intensity set during receiver output transmission following set level base noise/parasitics determined.
The echo limiting system has a telephone with loudspeaker producing echo signals. During transmission of signals from the receiver, the signal intensity (22) transmitted is limited to a predetermined level set by the base noise or parasitics.
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