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Boosting pitch correlation at inference time

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This commit is contained in:
Jean-Marc Valin 2022-03-04 16:20:56 -05:00
parent 099f0872f7
commit d2d847bcae
1 changed files with 2 additions and 0 deletions
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2
dnn/lpcnet_plc.c
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@ -81,6 +81,8 @@ static void compute_plc_pred(PLCNetState *net, float *out, const float *in) {
compute_gruB(&plc_gru1, zeros, net->plc_gru1_state, dense_out); compute_gruB(&plc_gru1, zeros, net->plc_gru1_state, dense_out);
compute_gruB(&plc_gru2, zeros, net->plc_gru2_state, net->plc_gru1_state); compute_gruB(&plc_gru2, zeros, net->plc_gru2_state, net->plc_gru1_state);
_lpcnet_compute_dense(&plc_out, out, net->plc_gru2_state); _lpcnet_compute_dense(&plc_out, out, net->plc_gru2_state);
/* Artificially boost the correlation to make harmonics cleaner. */
out[19] = MIN16(.5f, out[19]+.1f);
} }
void clear_state(LPCNetPLCState *st) { void clear_state(LPCNetPLCState *st) {