Title :
Ladder factorization for biorthogonal modulated filter banks with variable global delay
Author :
Gharbi, Mohamed ; Gazalet, Marc ; Chérifi, Hocine
Author_Institution :
Inst. d´´Electron. et de Micro-Electron. du Nord, Valenciennes Univ., France
Abstract :
In this paper, a product form of the polyphase matrix of the biorthogonal perfect reconstruction (PR) cosine Modulated Filter Bank (MFB) matrix is given with an adjustable overall input-output delay. The use of the lifting scheme for the factorization yields to an efficient and minimal implementation
Keywords :
FIR filters; delay estimation; ladder filters; matrix algebra; network analysis; network synthesis; wavelet transforms; adjustable input-output delay; biorthogonal modulated filter banks; biorthogonal perfect reconstruction; cosine modulated filter bank matrix; ladder factorization; lifting scheme; polyphase matrix; product form; variable global delay; Channel bank filters; Delay effects; Filter bank; Finite impulse response filter; Signal analysis; Signal processing; Signal synthesis; Speech coding; Wavelet packets; Wavelet transforms;
Conference_Titel :
Electronics, Circuits and Systems, 1999. Proceedings of ICECS '99. The 6th IEEE International Conference on
Conference_Location :
Pafos
Print_ISBN :
0-7803-5682-9
DOI :
10.1109/ICECS.1999.814441
