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Code Issues Releases Activity

avfilter/af_afftdn: improve residual tracking

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This commit is contained in:
Paul B Mahol 2022-03-13 15:38:11 +01:00
parent 9e279c8c2d
commit 3cb5a5f64c
1 changed files with 3 additions and 3 deletions
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6
libavfilter/af_afftdn.c
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@ -580,7 +580,7 @@ static void set_parameters(AudioFFTDeNoiseContext *s, DeNoiseChannel *dnch, int
if (update_var || dnch->last_residual_floor != dnch->residual_floor) {
update_var = 1;
dnch->last_residual_floor = dnch->residual_floor;
dnch->last_noise_reduction = fmax(dnch->last_noise_floor - dnch->last_residual_floor, 0);
dnch->last_noise_reduction = fmax(dnch->last_noise_floor - dnch->last_residual_floor + 100., 0);
dnch->max_gain = exp(dnch->last_noise_reduction * (0.5 * C));
}
} else if (update_var || dnch->noise_reduction != dnch->last_noise_reduction) {
@ -998,11 +998,11 @@ static void set_noise_profile(AudioFFTDeNoiseContext *s,
for (int m = 0; m < NB_PROFILE_BANDS; m++)
sum += temp[m];
d1 = (int)(sum / NB_PROFILE_BANDS - 0.5);
d1 = sum / NB_PROFILE_BANDS;
for (int m = 0; m < NB_PROFILE_BANDS; m++)
temp[m] -= d1;
new_noise_floor = d1 + 2.5;
new_noise_floor = round(d1) + 2.5;
if (new_profile) {
av_log(s, AV_LOG_INFO, "bn=");