Dual adaptive structure for speech enhancement
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United States of America Patent
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Oct 19, 2010
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Jul 18, 2008
filing date -
Jul 19, 2007
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Abstract
A clear, high quality voice signal with a high signal-to-noise ratio is achieved by use of an adaptive noise reduction scheme with two microphones in close proximity. The method includes the use of two omini directional microphones in a highly directional mode, and then applying an adaptive noise cancellation algorithm to reduce the noise.
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