Acoustic echo cancellation

Acoustic Echo Cancellation (AEC) is a signal processing technology designed to remove the far-end loudspeaker signals captured by the microphone in real-time within communication systems, thereby enhancing voice call quality. The core objective of AEC is to eliminate echoes in the environment, ensuring that the near-end user can clearly hear the far-end sound while preventing the far-end user from being disturbed by their own delayed feedback. This technology is widely used in teleconferencing, mobile communications, smart speakers, and other scenarios, significantly improving the naturalness and user experience of voice communications.