Multi-Microphone Speech Enhancement - =1=Using LCMV ...
Multi-Microphone Speech Enhancement - =1=Using LCMV ...
Multi-Microphone Speech Enhancement - =1=Using LCMV ...
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Double <strong>LCMV</strong> Criterion<br />
Binaural <strong>LCMV</strong><br />
Problem Formulation<br />
Two BFs Utilizing All <strong>Microphone</strong>s<br />
w l = <strong>LCMV</strong>(z; C, g l ); w r = <strong>LCMV</strong>(z; C, g r )<br />
Orthonormal Basis for the ATFs<br />
{H d = Q d Θ d ; H i = Q i Θ i } ⇒ C = [ Q d Q i<br />
]<br />
Left & Right Response Vectors<br />
Apply dereverberation relaxation utilizing RTFs.<br />
Cue Gain Factors:<br />
Desired response 0 < η ≈ 1; Interference response 0 < µ ≪ 1<br />
S. Gannot (BIU) <strong>Multi</strong>-<strong>Microphone</strong> <strong>Speech</strong> <strong>Enhancement</strong> IWAENC 2012 25 / 53
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