Title :
On frequency domain adaptive filters using the overlap-add method
Author :
Sommen, P.C.W. ; Jayasinghe, J.A.K.S.
Author_Institution :
Philips Res. Lab., Eindhoven, Netherlands
Abstract :
The authors introduce a frequency-domain adaptive filter (FDAF) configuration using the overlap-add method which has the same complexity and convergence behavior as the overlap-save configuration. It is shown that an FDAF using the overlap-add method can be realized with the same number of DFTs (discrete Fourier transforms) as the FDAF using the overlap-save method. The overlap-add implementation of an FDAF with seven DFTs is described.<>
Keywords :
adaptive filters; DFTs; complexity; convergence behavior; discrete Fourier transforms; frequency domain adaptive filters; implementation; overlap-add method; Acoustic devices; Adaptive filters; Convolution; Digital signal processing; Discrete Fourier transforms; Fourier transforms; Frequency domain analysis; Laboratories; Microphones; Speech;
Conference_Titel :
Circuits and Systems, 1988., IEEE International Symposium on
Conference_Location :
Espoo, Finland
DOI :
10.1109/ISCAS.1988.14860
