Definitions for "Echo cancellation"
Technique being used in higher-speed modems that allows for the isolation and filtering of unwanted signal energy resulting from echoes from the main transmitted signal.
Prevents a system from picking up the sound from its own speakers and transmitting it back to other conference sites. Highly desirable for acceptable audioconferencing.
An algorithm for analyzing data output on the line so that it can be removed from the received signal.
The process of making the channel quiet enough so that the system can hear and recognize WholeWord, dial pulse, and Natural Language inputs during the prompt. See also barge-in.
Keywords:  aec, see
See AEC.