Entrainment avoidance with an auto regressive filter

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United States of America Patent

PATENT NO 9191752
APP PUB NO 20140348361A1
SERIAL NO

14223669

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Abstract

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A method of signal processing an input signal in a hearing aid to avoid entrainment, the hearing aid including a receiver and a microphone, the method comprising using an adaptive filter to measure an acoustic feedback path from the receiver to the microphone and adjusting an adaptation rate of the adaptive filter using an output from a filter having an autoregressive portion, the output derived at least in part from a ratio of a predictive estimate of the input signal to a difference of the predictive estimate and the input signal.

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Patent Owner(s)

  • STARKEY LABORATORIES, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kindred, Jon S Minneapolis, US 32 566
Natarajan, Harikrishna P Shakopee, US 18 508
Salvetti, Arthur Colorado Springs, US 12 355
Theverapperuma, Lalin Cupertino, US 12 351

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