Audio device switching with reduced pop and click
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United States of America Patent
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Jul 15, 2014
Grant Date -
Oct 10, 2013
app pub date -
Apr 10, 2013
filing date -
Apr 10, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
This document discusses, among other things, apparatus and methods including an analog-to-digital controller (ADC) configured to receive an enable signal and to provide an ADC output signal to control logic, wherein the control logic is configured to provide a control voltage to a control input of a switch. In an example, the control voltage includes the ADC output signal when the ADC output signal is below a first threshold or above a second threshold. In certain examples, the control logic is configured to transition the control voltage from the first threshold to the second threshold when the ADC output signal is between the first and second thresholds.
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