Audio Device And Method Of Audio Processing With Improved Talker Discrimination
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United States of America
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Issued Date -
Jan 13, 2022
app pub date -
Sep 22, 2021
filing date -
Sep 22, 2021
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Abstract
An audio device for improved talker discrimination is provided. To improve suppression of close talker interference, i.e., of a person talking in close proximity to the user of the audio device, the audio device comprises at least an audio input to receive a voice input signal; a filter bank, configured to provide a plurality of sub-band signals from the voice input signal; a multi-band audio expander, arranged to receive at least a group of the sub-band signals and configured to conduct audio expansion on the group of sub-band signals to provide gain-controlled sub-band signals; and an audio output, configured to provide a voice output signal from at least the gain-controlled sub-band signals.
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