FFT-based technique for adaptive directionality of dual microphones
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United States of America Patent
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Dec 23, 2003
Grant Date -
N/A
app pub date -
May 9, 2000
filing date -
May 9, 2000
priority date (Note) -
Expired
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Abstract
The present invention comprises an adaptive directionality dual microphone system in which the time domain data from the first and second microphones is converted into frequency domain data. The frequency domain data is then manipulated to produce a noise-canceled signal which is converted in an Inverse Fourier Transform block into noise-cancel time domain data.
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