Fig. 7
From: Motor data-regularized nonnegative matrix factorization for ego-noise suppression
Spectrograms of an exemplary ego-noise extract from Sequence II (logarithm of magnitude). The left figure shows the original ego-noise. In the center and right figures, ego-noise estimates using audio-only NMF and the proposed method are depicted, respectively. Without motor data regularization, the ego-noise is in parts incorrectly estimated and adapts to the speech signal. Corresponding components are marked with red ellipses (middle). Note that these undesired components are not or significantly less visible in the ego-noise estimate of the proposed method (right)