Method and system for on-line system identification

Details Method and system for on-line system identification Method and system for on-line system identification

1993-02-10

1996-09-03

Kuntz, Curtis

Electrical audio signal processing systems and devices

Acoustical noise or sound cancellation

Adjacent ear

A61F 1106

Patent

active

055531539

ABSTRACT:
This invention relates to an improved method of on-line system identification for use with active control systems which requires less computation and reduces the problem of coefficient jitter in the filters of the active control system by using a fixed test signal which is designed to have a particular power spectrum.

REFERENCES:
patent: 4677676 (1987-06-01), Eriksson
patent: 4953217 (1990-08-01), Twiney et al.
patent: 5105377 (1992-04-01), Ziegler, Jr.
patent: 5278913 (1994-01-01), Delfosse et al.
IBM J. Research and Development "Periodic Sequences with Optimal Properties for Channel Estimation and Fast Start Up Equalization" A. Milewski. pp. 426-430. Vol. 27 No. 5 Sep. 1983.
IEEE Transactions of Information Theory. "Polyphase Codes with Good Periodic Correlation Properties." David Chu. Jul. 1972 pp. 531-535.
Adaptive Signal Processing Bernard Widrow and Samuel Stearns. Prentice Hall, Inc. 1985, Table of Contents.
Active Control of Sound. Nelson and Elliot. Academic Press. 1992, Table of Contents.

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