CALIBRATED DUAL OMNIDIRECTIONAL MICROPHONE ARRAY (DOMA)
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United States of America Patent
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Issued Date -
Nov 6, 2014
app pub date -
May 5, 2014
filing date -
Jun 13, 2008
priority date (Note) -
Abandoned
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Abstract
Systems and methods are described by which microphones are calibrated. Disclosed are techniques for generating a first output signal from a first input signal at a first microphone, generating a second output signal from a second input signal at a second microphone, forming a first filter as a function of the first output signal and the second output signal, the first filter being configured to substantially model the first microphone, and forming a second filter as a function of the first output signal and the second output signal, the second filter being configured to substantially model the second microphone. The second filter may be used to output a third output signal from the first output signal, and the first filter may be used to output a fourth output signal from the second output signal. The fourth output signal may be substantially similar to the third output signal.
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