Method, system for self-tuning active noise cancellation and headset apparatus
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United States of America Patent
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Nov 21, 2017
Grant Date -
N/A
app pub date -
Nov 29, 2016
filing date -
Jul 15, 2016
priority date (Note) -
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Abstract
The disclosure is related to a method and a system for self-tuning active noise canceller (STANC) and a headset apparatus. The headset apparatus is placed on a measurement device to emulate user scenario where the user receives audio signal from the headset. The STANC system receives environmental noise signal from a microphone inside the headset. The output of the STANC system acts as reverse noise signal to suppress the environmental noise signal via a speaker unit. The corresponding mixture signal is defined as an error signal. In a calibration mode, the error signal received from the measurement device can be used to update the STANC parameters. The process will be done when the error signal is lower than a predefined threshold. The final parameters can be saved as default settings for the headset apparatus in a user mode.
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