Switchable secondary playback path

T Das, JL Melanson, JC Tucker, X Fei - US Patent 9,680,488, 2017 - Google Patents
In accordance with embodiments of the present disclosure, a processing system may
include a plurality of processing paths including a first processing path and a second pro …

Systems and methods for reduction of audio artifacts in an audio system with dynamic range enhancement

K He, T Das, JL Melanson, A Satoskar - US Patent 9,596,537, 2017 - Google Patents
In accordance with embodiments of the present disclosure, a control circuit may be
configured to, responsive to an indication to Switch between gain modes of a signal path …

Systems and methods for gain calibration of an audio signal path

T Das, X Zhao, T Burk, K He, JL Melanson… - US Patent …, 2016 - Google Patents
A signal path may operate in one of a plurality of gain modes such that for each gain mode,
the product of a digital gain and an analog signal gain of the signal path associated with the …

Reducing audio artifacts in a system for enhancing dynamic range of audio signal path

T Das, K He, JL Melanson - US Patent 10,785,568, 2020 - Google Patents
In accordance with embodiments of the present disclosure, an apparatus for providing an
output signal to an audio transducer may include a control circuit. The control circuit may be …

Systems and methods for reducing artifacts and improving performance of a multi-path analog-to-digital converter

A Satoskar, DJ Allen, EM Schneider - US Patent 9,959,856, 2018 - Google Patents
In accordance with embodiments of the present disclosure, a processing system may
include multiple selectable processing paths for processing an analog signal in order to …

Systems and methods for reduction of audio artifacts in an audio system with dynamic range enhancement

K He, T Das, JL Melanson, A Satoskar - US Patent 9,998,823, 2018 - Google Patents
In accordance with embodiments of the present disclosure, a control circuit may be
configured to, responsive to an indication to switch between gain modes of a signal path …

Enhancement of dynamic range of audio signal path

A Satoskar, DJ Allen, T Das - US Patent 9,391,576, 2016 - Google Patents
In accordance with embodiments of the present disclosure, an apparatus for providing an
output signal to an audio trans ducer may include an analog signal path portion, a digital-to …

Systems and methods for reducing audio artifacts from switching between paths of a multi-path signal processing system

A Satoskar, DJ Allen, EM Schneider, T Das… - US Patent …, 2018 - Google Patents
A processing path may include a controller and a plurality of processing paths including a
first processing path and a second processing path. The first path may be configured to …

Systems and methods for dynamic range enhancement using an open-loop modulator in parallel with a closed-loop modulator

R Zanbaghi - US Patent 9,503,027, 2016 - Google Patents
An integrated circuit may have two signal paths: an open-loop modulator (which may
comprise a digital-input Class-D amplifier) and a closed-loop modulator (which may …

Multichip dynamic range enhancement (DRE) audio processing methods and apparatuses

T Das, JL Melanson - US Patent 9,584,911, 2017 - Google Patents
In accordance with embodiments of the present disclosure, a multichip circuit for processing
audio signals having dynamic range enhancement information over two or more integrated …