Gravity smoker plansTo subtract the unwanted signal correctly, the Acoustic Echo Cancellation (AEC) processor needs to simulate the dynamic room transfer function. It can then apply that transfer function to the received signal and correctly subtract the modified original signal. Each Soundweb London AEC input card consists of four AEC input channels. This example ... Browserslist not ieThe signal-decorrelating properties of the AP algorithm and the subband filtering improve the convergence speed of the conventional AP adaptive filter. In this paper, a new subband adaptive filtering with pre-whitening scheme for acoustic echo cancellation is presented.