Centralized digital mute and volume control
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 11, 2025
Grant Date -
Dec 28, 2023
app pub date -
Jun 22, 2022
filing date -
Jun 22, 2022
priority date (Note) -
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Abstract
An audio device includes a gain step selection circuit that receives a different requested gain value and an associated requested step size from each of a plurality of sources, compares each requested gain value to a same feedback gain value and generates a polarity based thereupon, performs step polarization on each requested step size as a function of the generated polarity therefor to thereby generate a plurality of step values, and outputs a least of the plurality of step values as an output step value. An accumulator circuit generates a current input gain value based upon the output step value and the feedback gain value, and then updates the feedback gain value to be equal to the current input gain value. A normalizing circuit multiplies an input data value by the current input gain value and applies a truncation function to a result thereof to produce an output data value.
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