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On the optimality of subband adaptive filters

Weiss, Stephan and Stewart, Robert (1999) On the optimality of subband adaptive filters. In: Proceedings of the IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, 1999. IEEE, New York, pp. 59-62. ISBN 0-7803-5612-8

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Abstract

In this paper, we derive a polyphase analysis to determine the optimum filters in a subband adaptive filter (SAF) system. The structure of this optimum solution deviates from the standard SAF approach and presents its best possible solution only as an approximation. Besides this new insight into SAF error sources, the discussed analysis allows to calculate the optimum subband responses and the standard SAF approximation. Examples demonstrating the validity of our analysis and its use for determining SAF errors are presented.

Item type: Book Section
ID code: 40531
Keywords: acoustics, adaptive filters, filter bank, signal analysis, signal processing, optimality, subband adaptive filters , Electrical engineering. Electronics Nuclear engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Depositing user: Pure Administrator
Date deposited: 24 Jul 2012 14:49
Last modified: 03 Jan 2019 12:50
URI: https://strathprints.strath.ac.uk/id/eprint/40531
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