Multiple microphone based directional sound filter
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United States of America Patent
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Feb 18, 2014
Grant Date -
Nov 24, 2011
app pub date -
Feb 9, 2010
filing date -
Feb 9, 2009
priority date (Note) -
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Abstract
A system and method for use in filtering of an acoustic signal are provided for producing an output signal of attenuated amount of diffuse sound in accordance with predetermined parameters of desired output directional response and required attenuation of diffuse sound. The system includes a filtration module and a filter generation module including a directional analysis module and filter construction module.
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