Design of two-channel perfect reconstruction QMF

Masaaki Ikehara, Akinobu Yamashita, Hideo Kuroda

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

This paper proposes a design method for the FIR two-channel perfect quadrature mirror filter (QMF) with the linear phase. This paper presents the design for the two-channel QMF with a perfect reconstruction and a good amplitude characteristic. The method is based on Vetterli's method, and a constraint to approximate the amplitude characteristic in the frequency domain is added to the condition of perfect reconstruction in time domain. Then Remez' algorithm is applied to the derived system of equations. The construction of the two-channel perfect QMF, when the coefficient is quantized, also is discussed.

Original languageEnglish
Pages (from-to)28-38
Number of pages11
JournalElectronics and Communications in Japan, Part III: Fundamental Electronic Science (English translation of Denshi Tsushin Gakkai Ronbunshi)
Volume76
Issue number5
Publication statusPublished - 1993 May

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Digital filters

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

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