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Design of causal stable IIR perfect reconstruction filter banks using transformations of variables

conference contribution
posted on 1997-01-01, 00:00 authored by David TayDavid Tay
In this paper we present an improvement to the design technique proposed in [1] for 2-channel, causal stable IIR perfect reconstruction filter banks. The technique is based on transformations of variables. Previously, the transformation functions used were all-pass but this yielded subband filters with fairly large overshoot in its frequency response. By relaxing the requirements of using all-pass transformation functions, filters with improved response (lower and no overshoot) are achievable.

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Volume

4

Pagination

2425 - 2427

ISSN

0271-4310

Publication classification

EN.1 Other conference paper

Title of proceedings

Proceedings - IEEE International Symposium on Circuits and Systems

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