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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/7251
Title: Design of nearly perfect reconstructed non-uniform filter bank by constrained equiripple FIR technique
Authors: Kumar A.
Singh, Girish Kumar
Anurag S.
Published in: Applied Soft Computing Journal
Abstract: In this paper, an efficient iterative algorithm is proposed for the design of multi-channel nearly perfect reconstructed non-uniform filter bank. The method employs the constrained equiripple FIR technique to design the prototype filter for filter banks with novelty of exploiting a new perfect reconstruction condition of the non-uniform filter banks instead of using complex objective functions. In the proposed algorithm, passband edge frequency (?p) is optimized using linear optimization technique such that the filter coefficients values at quadrature frequency are approximately equal to 0.707. Several design examples are included to illustrate the efficacy of this methodology for designing non-uniform filter bank (NUFB). It was found that the proposed methodology performs better as compared to earlier reported results in terms of reconstruction error (RE), number of iteration (NOI) and computation time (CPU time). The proposed algorithm is very simple, linear in nature, and easy to implement. © 2012 Elsevier B.V.
Citation: Applied Soft Computing Journal (2013), 13(1): 353-360
URI: https://doi.org/10.1016/j.asoc.2012.08.024
http://repository.iitr.ac.in/handle/123456789/7251
Issue Date: 2013
Keywords: Filter banks
Non-uniform filter bank (NUFB)
QMF
Subband coding
Tree-structured
ISSN: 15684946
Author Scopus IDs: 57215268681
57193351909
55247126100
Author Affiliations: Kumar, A., PDPM Indian Institute of Information Technology Design and Manufacturing, Jabalpur 482005 MP, India
Singh, G.K., Indian Institute of Technology Roorkee, Roorkee 247667, Uttrakhand, India
Anurag, S., PDPM Indian Institute of Information Technology Design and Manufacturing, Jabalpur 482005 MP, India
Corresponding Author: Kumar, A.; PDPM Indian Institute of Information Technology Design and Manufacturing, Jabalpur 482005 MP, India; email: anilkdee@gmail.com
Appears in Collections:Journal Publications [EE]

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