Microphone array transducer for acoustic musical instrument
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United States of America Patent
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Feb 16, 2016
Grant Date -
Jan 22, 2015
app pub date -
Oct 8, 2014
filing date -
Aug 3, 2012
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Abstract
A dipole microphone assembly for a nearfield sound source has a first microphone and a second microphone. The second microphone is out of phase with the first microphone so as to provide a dipole microphone assembly. Each of the microphones has a port, and a dipole spacing is defined as a distance from the center of the port of the first microphone to the center of the port of the second microphone. The dipole spacing is less than ¼ of a wavelength for the highest frequency of the sound of interest.
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