Real-time implementation of a frequency-domain adaptive filter on a fixed-point signal processor

Michael E. Deisher, Andreas Spanias

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

The authors study some problems associated with the implementation of a frequency-domain adaptive algorithm on a fixed-point signal processor. In particular, they propose methods to improve the convergence speed and reduce the computational complexity of a constrained frequency-domain algorithm that uses a time-varying step size. In addition, they study the effects of finite word length and fixed-point arithmetic. Improvements are realized by adopting a novel data reusing scheme and by applying running and pruned FFTs (fast Fourier transforms). Results are given using synthetic data as well as data from noise cancellation experiments.

Original languageEnglish (US)
Title of host publicationProceedings - ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing
Place of PublicationPiscataway, NJ, United States
PublisherPubl by IEEE
Pages2013-2016
Number of pages4
Volume3
ISBN (Print)078030033
StatePublished - 1991
EventProceedings of the 1991 International Conference on Acoustics, Speech, and Signal Processing - ICASSP 91 - Toronto, Ont, Can
Duration: May 14 1991May 17 1991

Other

OtherProceedings of the 1991 International Conference on Acoustics, Speech, and Signal Processing - ICASSP 91
CityToronto, Ont, Can
Period5/14/915/17/91

Fingerprint

Fixed point arithmetic
adaptive filters
Adaptive filters
Adaptive algorithms
Fast Fourier transforms
central processing units
Computational complexity
fixed point arithmetic
cancellation
Experiments

ASJC Scopus subject areas

  • Signal Processing
  • Electrical and Electronic Engineering
  • Acoustics and Ultrasonics

Cite this

Deisher, M. E., & Spanias, A. (1991). Real-time implementation of a frequency-domain adaptive filter on a fixed-point signal processor. In Proceedings - ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing (Vol. 3, pp. 2013-2016). Piscataway, NJ, United States: Publ by IEEE.

Real-time implementation of a frequency-domain adaptive filter on a fixed-point signal processor. / Deisher, Michael E.; Spanias, Andreas.

Proceedings - ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing. Vol. 3 Piscataway, NJ, United States : Publ by IEEE, 1991. p. 2013-2016.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Deisher, ME & Spanias, A 1991, Real-time implementation of a frequency-domain adaptive filter on a fixed-point signal processor. in Proceedings - ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing. vol. 3, Publ by IEEE, Piscataway, NJ, United States, pp. 2013-2016, Proceedings of the 1991 International Conference on Acoustics, Speech, and Signal Processing - ICASSP 91, Toronto, Ont, Can, 5/14/91.
Deisher ME, Spanias A. Real-time implementation of a frequency-domain adaptive filter on a fixed-point signal processor. In Proceedings - ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing. Vol. 3. Piscataway, NJ, United States: Publ by IEEE. 1991. p. 2013-2016
Deisher, Michael E. ; Spanias, Andreas. / Real-time implementation of a frequency-domain adaptive filter on a fixed-point signal processor. Proceedings - ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing. Vol. 3 Piscataway, NJ, United States : Publ by IEEE, 1991. pp. 2013-2016
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