Title :
Highly selective M-channel IIR cosine-modulated filter banks
Author :
Kim, S.G. ; Yoo, C.D.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Korea Adv. Inst. of Sci. & Technol., Daejon, South Korea
Abstract :
A simple method for designing highly selective M-channel infinite-impulse response (IIR) cosine-modulated filter banks (CMFBs) is proposed. High selectivity is achieved by relaxing the perfect reconstruction condition. The proposed method is simple because the design is based on a two-channel lattice structure with first-order allpass filters.
Keywords :
IIR filters; adaptive filters; all-pass filters; filtering theory; lattice filters; IIR cosine-modulated filter banks; M-channel filter banks; first-order allpass filters; highly selective IIR filter banks; infinite impulse response filter banks; perfect reconstruction condition relaxation; subband adaptive filtering; two-channel lattice structure;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20030952
