echo suppressor


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echo suppressor

[′ek·ō sə‚pres·ər]
(electronics)
A circuit that desensitizes radar navigation equipment for a fixed period after the reception of one pulse, for the purpose of rejecting delayed pulses arriving from longer, indirect reflection paths.
A relay or other device used on a transmission line to prevent a reflected wave from returning to the sending end of the line.

echo suppression

Turning off the receive side of a telephone conversation, effectively making the circuit one way (half-duplex). Echo suppressors were used to eliminate echo in satellite circuits before more sophisticated echo cancellation techniques could be deployed. See echo cancellation.
References in periodicals archive ?
It also has an echo suppressor to minimize background noise.
Among the first products they designed were echo suppressors, which reduced echoes on phone calls.