Audio system and method of operation therefor
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United States of America Patent
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Mar 14, 2017
Grant Date -
Oct 17, 2013
app pub date -
Jan 2, 2012
filing date -
Jan 5, 2011
priority date (Note) -
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Abstract
An audio system that includes an ultrasound sensor array which has a plurality of ultrasound sensor elements, and an audio band array which has a plurality of audio band elements. An estimator is configured to generate a presence characteristic of a user in response to ultrasound signals received from the ultrasound sensor array. The presence characteristic may include a position estimate for the user. An audio array circuit is configured to generate a directional response for the audio band array by applying weights to individual audio band signals for the audio band elements. A weight circuit is configured to determine the weights in response to the presence characteristic.
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