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A new transform domain adaptive digital filter using the common LMS adaptation algorithm based on a highly efficient circular convolution algorithm is presented. The proposed filter has an easily implementable structure involving only real-valued arithmetic. It is shown to converge to the Wiener solution in the transform domain and has significant advantage in efficiency over the corresponding FFT-based adaptive digital filters.
Acoustics, Speech and Signal Processing, IEEE Transactions on (Volume:35 , Issue: 8 )
Date of Publication: Aug 1987