Title :
Efficient implementation of arbitrary-length cosine-modulated filter bank
Author :
Gao, Xiqi ; He, Zhenya ; Xia, Xiang-Gen
Author_Institution :
Dept. of Radio Eng., Southeast Univ., Nanjing, China
fDate :
4/1/1999 12:00:00 AM
Abstract :
The fast implementation of arbitrary-length cosine-modulated filter bank is investigated. By using the linear phase property of the prototype filter, a more efficient implementation structure is obtained for the filter bank. In the new implementation, 2×2 lossless lattices are used instead of 2×1 ones in the traditional implementation with the number reduced by half
Keywords :
channel bank filters; lattice filters; linear phase filters; modulation; arbitrary-length cosine-modulated filter bank; efficient implementation structure; linear phase property; lossless lattices; prototype filter; Discrete transforms; Filter bank; Integral equations; Inverse problems; Lattices; Prototypes; Sensor fusion; Signal processing; Signal restoration; Speech processing;
Journal_Title :
Signal Processing, IEEE Transactions on
