Analysis of Multirate Adaptive Filters in Subbands.
Final rept. Dec 93-Jan 95,
COLORADO UNIV AT BOULDER
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A subband adaptive filter architecture offers the possibility of performing the equivalent task of a fullband adaptive filter but with several key benefits. Results in the application of acoustic echo canceling demonstrate better convergence with fewer computations using a simulated acoustic echo path with white noise input. We are currently investigating performance using speech input. We are also looking at adaptive wavelet architectures for auto-regressive processes.