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

Content Provider	IEEE Xplore Digital Library
Author	Horng, B.-R. Willson Jr., A.N.
Copyright Year	1991
Abstract	The authors present two approaches to the design of two-channel perfect-reconstruction linear-phase finite-impulse-response (FIR) filter banks. Both approaches analyze and design the impulse responses of the analysis filter bank directly. The synthesis filter bank is then obtained by simply changing the signs of odd-order coefficients in the analysis filter bank. The approach deals with unequal-length filter banks. By designing the lower length filters first, one can take advantage of the fact that the number of variables for designing the higher length filters is more than the number of perfect-reconstruction constraint equations. The second approach generalizes the first, and covers the design for all parts of linear phase perfect reconstruction constraint equations.<>
Sponsorship	IEEE Signal Processing Society
Starting Page	364
Ending Page	374
Page Count	11
File Size	664637
File Format	PDF
ISSN	1053587X
Volume Number	40
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1992-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Lagrangian functions Finite impulse response filter Filter bank Closed-form solution Image coding Lattices Channel bank filters Constraint optimization Speech coding Speech synthesis
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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