Allen & Heath M-AHM-32-AEC Acoustic Echo Cancellation Module for AHM-32The Acoustic Echo Cancellation (AEC) modules for AHM 64 & AHM 32 provide 12 channels of AEC and are designed for teleconferencing and videoconferencing applications. The AEC processors are assigned using channel inserts in the AHM. One insert sits in the far end Input channel, and the other in the near end Input channel. A Sound Reinforcement output is also provided for cases where local voice reinforcement is required. Acoustic Echo Cancellation The