Noise reduction and estimation of pipeline signals

Details Noise reduction and estimation of pipeline signals Noise reduction and estimation of pipeline signals

2005-11-03

2009-10-13

Lau, Tung S (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Measured signal processing

Reexamination Certificate

active

07603258

ABSTRACT:
A method and apparatus for sensor output signal noise reduction in which at least one sensor output signal is introduced into an LMS-based adaptive noise cancellation mechanism and the resulting noise cancellation mechanism output signal is processed using a sub-band spectral subtractive mechanism, producing a reduced noise signal.

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patent: 4833453 (1989-05-01), Twerdochlib
patent: 5329472 (1994-07-01), Sugiyama
patent: 5568558 (1996-10-01), Ramm et al.
patent: 2007/0090980 (2007-04-01), Lin
Julie Johnson, Ultra low-power sub-band acoustic echo cancellation for wireless headsets, May 17, 2004, p. 1-5.
Julie Johnson, Ultra low-power sub-band acoustic echo cancellation for wireless headsets, May 17, 2004.

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