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Cosine and sine modulated FIR filter banks utilizing the frequency-response masking approach

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3 Author(s)
L. Rosenbaum ; Dept. of Electr. Eng., Linkoping Univ., Sweden ; P. Lowenborg ; M. Johansson

Using cosine or sine modulation one can design efficient filter banks. Further, using the frequency-response masking (FRM) approach, low arithmetic complexity FIR filters with narrow transition bands can be designed. In this paper we show how to combine these two techniques to design efficient M-channel modulated FIR filter banks, where the analysis filters have narrow transition bands, by properly designing one prototype filter.

Published in:

Circuits and Systems, 2003. ISCAS '03. Proceedings of the 2003 International Symposium on  (Volume:3 )

Date of Conference:

25-28 May 2003