And your own voice referred to as near-end speech, would be captured by the microphone and sent across the network to the other end of the call. The speech of the other person you are talking to, referred to as far-end speech, would be played out from the loudspeaker. Suppose you are in a voice call talking with someone over a speakerphone. Let's first understand what the echo is in terms of voice communication.
AEC is not only present in cellphones but also in all kinds of audio calling devices like Amazon’s Echo series and Facebook’s Portal devices. Echo cancellers aid for smooth and intelligible conversations in full-duplex voice communication. Research on Echo cancellers started in the 1960s, especially for voice communication devices. Introduction to Acoustic Echo Cancellation (AEC)Īcoustic Echo Canceller (AEC) plays an important role in voice communication systems. Good resources to review when it comes to Asking Good Questions and troubleshooting.
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