Implementation of Biorthogonal Cosine-Modulated Filter Banks with Fixed-Point Arithmetic

Tanja Karp, Alfred Mertins

Abstract

In this paper, we consider the implementation of the prototype filter of biorthogonal cosine-modulated filter banks on processors with fixed-point arithmetic. The realization is based on zero-delay and maximum-delay matrices. We show that the perfect reconstruction property of the filter bank is not affected by quantization, rounding and overflow. We also demonstrate how the latter operations influence the frequency selectivity of the filter bank.

Original languageEnglish
Title of host publicationISCAS 2001. The 2001 IEEE International Symposium on Circuits and Systems (Cat. No.01CH37196)
Number of pages4
PublisherIEEE
Publication date01.12.2001
Pages469-472
Article number921109
ISBN (Print)0-7803-6685-9
DOIs
Publication statusPublished - 01.12.2001
Event2001 IEEE International Symposium on Circuits and Systems - Sydney, Australia
Duration: 06.05.200109.05.2001
Conference number: 100985

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