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On the Optimality of Subband Adaptive Filtering

On the Optimality of Subband Adaptive Filtering
On the Optimality of Subband Adaptive Filtering
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.
59-62
Weiss, S
a1716781-351d-41d2-8d67-3e3d34f16476
Stewart, R W
c819965d-70b4-4689-8206-e6e444dcbf8e
Weiss, S
a1716781-351d-41d2-8d67-3e3d34f16476
Stewart, R W
c819965d-70b4-4689-8206-e6e444dcbf8e

Weiss, S and Stewart, R W (1999) On the Optimality of Subband Adaptive Filtering. IEEE Workshop on Applications of Signal Processing to Audio and Acoustics. pp. 59-62 .

Record type: Conference or Workshop Item (Other)

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.

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More information

Published date: October 1999
Additional Information: Organisation: IEEE Address: Mohonk Mountain House, New Paltz, New York, USA
Venue - Dates: IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, 1999-09-30
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 251924
URI: http://eprints.soton.ac.uk/id/eprint/251924
PURE UUID: 10804dd8-bc23-47c7-97a1-93319ceaf7dc

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Date deposited: 08 Nov 2000
Last modified: 29 Jan 2020 15:09

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Contributors

Author: S Weiss
Author: R W Stewart

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