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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Binaural <strong>LCMV</strong><br />
ISR vs. ITF<br />
ISR vs. ITF<br />
Properties<br />
Single source case: ISR out = ISR in and ISR identifies with the ITF.<br />
Only one group is active ⇒ spatial cues of the group maintained.<br />
<strong>Speech</strong> sparsity in STFT domain ⇒ cues are preserved also for<br />
arbitrary activity pattern.<br />
Binaural cue preservation is only guaranteed for the constrained<br />
sources.<br />
Unconstrained stationary noise sources and residual (constrained)<br />
interference sources will “inherit” the input cues of the dominant<br />
source.<br />
0 < µ ≪ 1 will mask the artifacts resulting from leakage.<br />
S. Gannot (BIU) <strong>Multi</strong>-<strong>Microphone</strong> <strong>Speech</strong> <strong>Enhancement</strong> IWAENC 2012 27 / 53
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