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Convergence results on the design of QMF banks

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2 Author(s)
Guoxiang Gu ; Dept. of Electr. & Comput. Eng., Louisiana State Univ., Baton Rouge, LA, USA ; Jian Huang

This correspondence considers the design of quadrature mirror filter (QMF) banks whose analysis and synthesis filters are FIR and have linear phase. The design criterion is of least-squares type. An iterative computation algorithm is proposed, and its convergence is proven that offers new insight to the design of QMF banks and relates it to a more general nonlinear optimization problem

Published in:

IEEE Transactions on Signal Processing  (Volume:46 ,  Issue: 3 )