Real-time detection of feedforward instability

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United States of America Patent

PATENT NO 10885896
APP PUB NO 20190355342A1
SERIAL NO

15983313

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Abstract

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Audio devices and methods are provided for detecting instability in an associated feedforward audio processing system. A microphone provides a feedforward signal for processing by a feedforward filter. The processed signal may provide noise reduction and/or sound enhancement associated with the surrounding environment. The processed signal contributes to a driver signal provided to an acoustic transducer, e.g., a driver, to produce acoustic signals for a user. A processor is configured to detect an indication of instability in one or more of the signals, and to adjust a phase response of the feedforward signal path in response to detecting the indication of instability.

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Patent Owner(s)

Patent OwnerAddress
BOSE CORPORATIONTHE MOUNTAIN FRAMINGHAM MA 01701-9168

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ku, Emery M Somerville, US 23 100

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