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Lagrange multiplier approaches to the design of two-channel perfect-reconstruction linear-phase FIR filter banks

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2 Author(s)
Horng, B.-R. ; Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA ; Wilson, A.N., Jr.

Two approaches are presented for the design of two-channel perfect-reconstruction FIR (finite impulse response) filter banks, which yield linear-phase filters. The optimization o perfect-reconstruction filter banks is first formulated as a quadratic programming problem with linear constraints, and then as one with nonlinear constraints. Closed-form solutions for the first approach and for the iteration problem in the second approach have been obtained. Design examples for both approaches are given

Published in:

Acoustics, Speech, and Signal Processing, 1990. ICASSP-90., 1990 International Conference on

Date of Conference:

3-6 Apr 1990