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An efficient affine projection (AP) algorithm, the filtered-x AP algorithm (FXAP), is presented for multichannel active noise control. This algorithm is based on the filtered-x scheme and uses the fast error vector computation and a recursive method to calculate matrix inversions. The new approach provides a significant saving in computational cost compared(More)
A computationally efficient version of the affine projection (AP) algorithm avoiding matrix inversions is presented and developed for multichannel active noise control (ANC) systems. A comparative study of the classical multichannel filtered-x LMS (MFXLMS), the multichannel filtered-x affine projection (MFXAP) and its computationally efficient version,(More)
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