System and method for automatic adjustment of reference gain
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United States of America Patent
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Jan 10, 2023
Grant Date -
Aug 12, 2021
app pub date -
Feb 5, 2021
filing date -
Feb 7, 2020
priority date (Note) -
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Abstract
Systems and methods are provided for automatically adjusting a reference gain of an audio mixer having a reference channel for receiving a far end audio signal from a remote location as a reference signal and a plurality of audio input channels for receiving audio signals captured by a plurality of microphone element. An exemplary method includes determining an echo level in an input audio signal received at a given audio input channel, and automatically determining a gain amount for the reference channel based on the echo level. An exemplary system includes a reference gain adjuster configured to automatically determine a gain amount for the reference channel based on an echo level detected in an input audio signal received at a given audio input channel.
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