Audio playback system monitoring

S Bharitkar, BG Crockett, LD Fielder… - US Patent …, 2016 - Google Patents
Related US Application Data ronment. In typical embodiments, the monitoring method (60)
Provisional application No. 61/504,005, filed on Jul. assumes that initial characteristics of the …

Dual-microphone frequency amplitude response self-calibration

Y Lu, D Zhou, JD Hendrix, J Alderson - US Patent 9,532,139, 2016 - Google Patents
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Oversight control of an adaptive noise canceler in a personal audio device

JD Hendrix, AA Milani, N Kwatra, D Zhou, Y Lu… - US Patent …, 2015 - Google Patents
A personal audio device, such as a wireless telephone, includes an adaptive noise
canceling (ANC) circuit that adaptively generates an anti-noise signal from a reference …

Adaptive noise canceling architecture for a personal audio device

JD Hendrix, GD Kamath, N Kwatra, AA Milani… - US Patent …, 2016 - Google Patents
A personal audio device, such as a wireless telephone, includes an adaptive noise
canceling (ANC) circuit that adaptively generates an anti-noise signal from a reference …

Frequency and direction-dependent ambient sound handling in personal audio devices having adaptive noise cancellation (ANC)

J Alderson, JD Hendrix, D Zhou - US Patent 9,319,781, 2016 - Google Patents
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Leakage-modeling adaptive noise canceling for earspeakers

J Alderson, JD Hendrix - US Patent 9,142,205, 2015 - Google Patents
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Systems and methods for multi-mode adaptive noise cancellation for audio headsets

JD Alderson, JD Hendrix, AJ Miller, RG Kratsas… - US Patent …, 2019 - Google Patents
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Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC)

J Alderson, N Kwatra, GD Kamath, AA Milani… - US Patent …, 2016 - Google Patents
(57) ABSTRACT A personal audio device. Such as a wireless telephone, includes noise
canceling circuit that adaptively generates an anti-noise signal from a reference microphone …

Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC)

N Kwatra, AA Milani, J Alderson - US Patent 9,824,677, 2017 - Google Patents
A personal audio device, such as a wireless telephone, includes noise canceling that
adaptively generates an anti-noise signal from a reference microphone signal and injects …

Identifying far-end sound

R Cutler, X Sun, S Velayutham - US Patent 8,219,387, 2012 - Google Patents
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Romesburg sounds. An active speaker may be identi? ed in frames of video data based on …