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What is QMF Filter Bank Design Using Allpass about?

This document presents a novel technique for designing two-channel Quadrature Mirror Filter (QMF) banks using allpass filters, focusing on achieving approximately linear phase characteristics. The authors derive explicit formulae for the coefficients of these filters, highlighting the ability to meet both magnitude and phase specifications simultaneously. The technique is applicable to various phase functions, making it a versatile approach for filter design in signal processing applications.

Author

rasha waleed

Language

EN