Adaptive filtering with averaging-based algorithm for feedforward active noise control systems

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Abstract

This letter proposes an adaptive filtering with averaging-based algorithm for active noise control (ANC) systems. This algorithm uses a similar structure as that of the FxLMS-based ANC system. The proposed algorithm, called Filtered-x Adaptive Filtering with Averaging (FxAFA) algorithm, uses averages of both data and correction terms to find the updated values of the tap weights of the ANC controller. The computer simulations are conducted for single-channel feedforward ANC systems. It is shown that the proposed algorithm gives fast convergence as compared with the FxLMS algorithm and achieves better performance in the presence of the measurement noise. The comparison with the FxRLS algorithm shows that the proposed FxAFA algorithm is a better choice for low computational complexity and stable performance.

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APA

Akhtar, M. T., Abe, M., & Kawamata, M. (2004, June). Adaptive filtering with averaging-based algorithm for feedforward active noise control systems. IEEE Signal Processing Letters. https://doi.org/10.1109/LSP.2004.827958

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