Echo Cancellation

Note

Echo cancellation applies the same technology that is used in audio headphones to cancel ambient noise. The headsets used by airline pilots, for example, feature a suppression circuit that cancels ambient noise so that the pilot hears only the audio from the headset. Any ambient noise from the cockpit is cancelled. This is the same technology used in echo cancellers.

Note

The echo canceller removes the echo from one end of the circuit only. If echo is an issue at both ends of the circuit, you must apply another echo canceller at the other end.