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Design of m-channel tree-structured filter banks with very low-complexity analysis filters

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4 Author(s)
Elias, E. ; Dept. of Electron. Eng., Calicut Regional Eng. Coll., India ; Lowenborg, P. ; Johansson, H. ; Wanhammar, L.

A class of M-channel tree-structured digital filter banks is considered with half-band IIR analysis filters and FIR synthesis filters. The filter banks approximate perfect reconstruction with an exact linear phase response and zero aliasing. This particular configuration has a very low-complexity analysis filter bank. In this paper we address the problem of minimizing the synthesis filter complexity, given the minimum-complexity analysis filters. The filter banks are designed using linear and nonlinear programming

Published in:
Electronics, Circuits and Systems, 2000. ICECS 2000. The 7th IEEE International Conference on  (Volume:1 )

Date of Conference: 2000

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