Block time and frequency domain modified covariance algorithms

Andreas Spanias; Gim Lim; Philipos Loizou; Michael Deisher

doi:10.1109/ICASSP.1992.226566

Block time and frequency domain modified covariance algorithms

Andreas Spanias, Gim Lim, Philipos Loizou, Michael Deisher

Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Scopus citations

Abstract

A Block Modified Covariance Algorithm (BMCA) is proposed for AR parametric spectra) estimation. The BMCA can be implemented either in the time or in the frequency domain with the latter beina more efficient in high order AR estimation. Although the BMCA operates on a block of data it allows for both block and sequential (sample-by-sample) updates. The performance of the algorithm is evaluated in terms of computational complexity and convergence characteristics. Results are given for narrowband and broadband processes.

Original language	English (US)
Title of host publication	ICASSP 1992 - 1992 International Conference on Acoustics, Speech, and Signal Processing
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	529-532
Number of pages	4
ISBN (Electronic)	0780305329
DOIs	https://doi.org/10.1109/ICASSP.1992.226566
State	Published - Jan 1 1992
Event	1992 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 1992 - San Francisco, United States Duration: Mar 23 1992 → Mar 26 1992

Publication series

Name	ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
Volume	5
ISSN (Print)	1520-6149

Other

Other	1992 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 1992
Country/Territory	United States
City	San Francisco
Period	3/23/92 → 3/26/92

ASJC Scopus subject areas

Software
Signal Processing
Electrical and Electronic Engineering

Access to Document

10.1109/ICASSP.1992.226566

Cite this

Spanias, A., Lim, G., Loizou, P., & Deisher, M. (1992). Block time and frequency domain modified covariance algorithms. In ICASSP 1992 - 1992 International Conference on Acoustics, Speech, and Signal Processing (pp. 529-532). [226566] (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings; Vol. 5). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICASSP.1992.226566

Block time and frequency domain modified covariance algorithms. / Spanias, Andreas; Lim, Gim; Loizou, Philipos et al.

ICASSP 1992 - 1992 International Conference on Acoustics, Speech, and Signal Processing. Institute of Electrical and Electronics Engineers Inc., 1992. p. 529-532 226566 (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings; Vol. 5).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Spanias, A, Lim, G, Loizou, P & Deisher, M 1992, Block time and frequency domain modified covariance algorithms. in ICASSP 1992 - 1992 International Conference on Acoustics, Speech, and Signal Processing., 226566, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, vol. 5, Institute of Electrical and Electronics Engineers Inc., pp. 529-532, 1992 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 1992, San Francisco, United States, 3/23/92. https://doi.org/10.1109/ICASSP.1992.226566

Spanias A, Lim G, Loizou P, Deisher M. Block time and frequency domain modified covariance algorithms. In ICASSP 1992 - 1992 International Conference on Acoustics, Speech, and Signal Processing. Institute of Electrical and Electronics Engineers Inc. 1992. p. 529-532. 226566. (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings). doi: 10.1109/ICASSP.1992.226566

Spanias, Andreas ; Lim, Gim ; Loizou, Philipos et al. / Block time and frequency domain modified covariance algorithms. ICASSP 1992 - 1992 International Conference on Acoustics, Speech, and Signal Processing. Institute of Electrical and Electronics Engineers Inc., 1992. pp. 529-532 (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings).

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N2 - A Block Modified Covariance Algorithm (BMCA) is proposed for AR parametric spectra) estimation. The BMCA can be implemented either in the time or in the frequency domain with the latter beina more efficient in high order AR estimation. Although the BMCA operates on a block of data it allows for both block and sequential (sample-by-sample) updates. The performance of the algorithm is evaluated in terms of computational complexity and convergence characteristics. Results are given for narrowband and broadband processes.

AB - A Block Modified Covariance Algorithm (BMCA) is proposed for AR parametric spectra) estimation. The BMCA can be implemented either in the time or in the frequency domain with the latter beina more efficient in high order AR estimation. Although the BMCA operates on a block of data it allows for both block and sequential (sample-by-sample) updates. The performance of the algorithm is evaluated in terms of computational complexity and convergence characteristics. Results are given for narrowband and broadband processes.

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Block time and frequency domain modified covariance algorithms

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