Method for reconstructing an acoustic field
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United States of America Patent
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May 20, 2014
Grant Date -
Jul 14, 2011
app pub date -
Jun 26, 2009
filing date -
Jul 8, 2008
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Abstract
Disclosed herein is a method of reconstructing a sound field. The method comprises receiving measured values indicative of a first acoustic quantity measured at a set of measurement locations; defining a set of virtual source locations; and computing a second acoustic quantity for at least one target location from one or more wave functions each representative of a respective sound field originating from a respective one of the defined set of virtual source locations; wherein the one or more wave functions are weighted by respective one or more weighting factors, and wherein computing comprises determining the one or more weighting factors from a least-norm fit of the one or more wave functions to the received measured values.
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