APPARATUS, SYSTEM, AND METHOD FOR PROVIDING A FAST-ACTING ENGINE ORDER CANCELLATION
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United States of America Patent
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Issued Date -
Jun 20, 2024
app pub date -
Dec 20, 2022
filing date -
Dec 20, 2022
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Abstract
In at least one embodiment, an active noise cancellation (ANC) system is provided. The ANC system includes at least one loudspeaker, at least one microphone and at least one controller. The at least one loudspeaker projects anti-noise sound within a cabin of a vehicle based at least on an anti-noise signal. The at least one microphone provides an error signal indicative of noise and the anti-noise sound within the cabin. The at least one controller is programmed to receive the error signal and a reference signal indicative of a gear shift that occurs over a predetermined time interval and to adapt at least one adaptive filter with pre-stored filter coefficients for the predetermined time interval to generate the anti-noise signal based at least on the error signal and the reference signal.
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