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Improvement of convergence speed for subband adaptive digital filters using the multirate repeating method

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3 Author(s)
Ashihara, K. ; Tokyo Metropolitan Univ., Japan ; Nishikawa, K. ; Kiya, H.

We propose a method for achieving both a fast convergence speed and the low orders of adaptive digital filters (ADFs) for subband ADFs. The proposed method is based on the multirate repeating method which uses wasted signals by downsampling. First we show how to apply the multirate repeating method to the standard structure of subband ADFs. Next we consider a new structure of subband ADFs for extending the multirate repeating method. Finally, we show the validity of the proposed method by computer simulations

Published in:

Acoustics, Speech, and Signal Processing, 1995. ICASSP-95., 1995 International Conference on  (Volume:2 )

Date of Conference:

9-12 May 1995