Table 1 List of acronyms for strategies estimating the PSD used in the linear filtering and non-linear post-filtering stages
From: A neural network-supported two-stage algorithm for lightweight dereverberation on hearing devices
Algorithm | \(\lambda ^{(\textrm{WPE})}\) | \(\lambda ^{(\nu , \textrm{PF})}, \lambda ^{(\tilde{r}, \textrm{PF})}\) |
|---|---|---|
RLS-WPE [20] | Reverberant | ✗ |
O-PSD-WPE | Oracle | ✗ |
DNN-PF | ✗ | \(\mathcal {L}_\mathrm {DNN-PF}\) |
DNN-WPE | \(\mathcal {L}_\mathrm {DNN-WPE}\) | ✗ |
E2Ep-WPE | \(\mathcal {L}_\mathrm {DNN-WPE} \xrightarrow {} \mathcal {L}_\mathrm {E2E-WPE}\) | ✗ |
DNN-WPE+DNN-PF | \(\mathcal {L}_\mathrm {DNN-WPE}\) | \(\mathcal {L}_\mathrm {DNN-PF}\) |
E2Ep-WPE+DNN-PF | \(\mathcal {L}_\mathrm {DNN-WPE} \xrightarrow {} \mathcal {L}_\mathrm {E2E-WPE}\) | \(\mathcal {L}_\mathrm {DNN-PF}\) |