echo suppressor


Also found in: Wikipedia.

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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

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.
Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.
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.