Low-complexity, perfect reconstruction FIR QMF bank

Sau-Gee Chen*, Min Chi Kao

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


A low-complexity, perfect reconstruction quadrature mirror filter (QMF) bank is proposed, which requires only 50% of the multiplications and additions of the existing QMF banks per output sample. In addition, the new QMF bank only needs to solve a set of linear equations instead of the commonly required nonlinear optimisation technique for the prototype filter.

Original languageAmerican English
Pages (from-to)1477-1478
Number of pages2
JournalElectronics Letters
Issue number15
StatePublished - 23 Jul 1998

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