Title :
Allpass filter design using projection-based method under group delay constraints
Author :
Haddad, K.C. ; Yongyi Yang ; Galatsanos, N.P. ; Stark, H.
Author_Institution :
Div. of Microelectron., AT&T Bell Labs., Holmdel, NJ
Abstract :
A new technique for designing digital all-pass IIR filters is proposed. The approach is based on the vector space projection method. Constraint sets, and their associated projectors, that capture the properties of the desired group delay are given. Examples that demonstrate the advantages and flexibility of this method as well as comparisons with a well-known method (Nguyen et al., 1994) are furnished
Keywords :
IIR filters; all-pass filters; delay estimation; IIR filters; all-pass filter design; constraint sets; digital filters; group delay constraints; projection-based method; vector space projection; Constraint theory; Delay; Design methodology; Finite impulse response filter; Frequency; IIR filters; Least squares approximation; Microelectronics; Nonlinear filters; Space technology;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 2001. Proceedings. (ICASSP '01). 2001 IEEE International Conference on
Conference_Location :
Salt Lake City, UT
Print_ISBN :
0-7803-7041-4
DOI :
10.1109/ICASSP.2001.940679
