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This paper proposes a step size control method capable of steadily canceling acoustic echo even during double talk. The method is characterized by applying a sub-adaptive filter to the control. The step size and the number of taps of the sub-adaptive filter are larger and fewer than those of the main adaptive filter used for canceling the acoustic echo, respectively. Accordingly, the sub-adaptive...
This paper presents a multiple channel active noise control system using the simultaneous equations method based on the different principle from the filtered-x algorithm. The simultaneous equations method can automatically recover the noise reduction effect degraded by acoustic path changes. In this paper, we apply the method to multiple channel active noise control systems and verify the performance...
This paper proposes a step size control method capable of steadily canceling acoustic echo resisting double talk. The method is characterized by applying a sub-adaptive filter to the control. The step size and the number of taps of the sub- adaptive filter are larger and fewer than those of the main adaptive filter used for canceling the acoustic echo, respectively. Accordingly, the sub-adaptive filter...
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