Volume estimation by diffuse field acoustic modeling
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United States of America Patent
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Issued Date -
Jan 3, 2008
app pub date -
Jun 29, 2006
filing date -
Jun 29, 2006
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Abstract
A method and apparatus for estimating volume of an enclosed space ('room') based on measured acoustic parameters. The method includes the steps of: measuring an acoustic impulse response of the enclosed space. From the acoustic impulse response, the method calculates the parameters: mean square pressure of reverberant sound; mean square pressure of direct sound; arrival time of direct sound; and a reverberation time parameter (T60). From those parameters, a volume estimate is calculated based on an acoustic diffuse field theoretical model.
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