diff options
| author | Paul B Mahol <onemda@gmail.com> | 2022-03-15 11:20:03 +0100 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2022-03-15 15:17:27 +0100 |
| commit | 26292d4b6b96fd8123774a94143b68c7d3c63448 (patch) | |
| tree | cf1573e81618c26eb8c1b0c66c5d9b4dc3d21c79 /libavfilter/af_afftdn.c | |
| parent | 4a96baa2c8b8b2eaedd9169557cb2344f0660dd3 (diff) | |
avfilter/af_afftdn: use log10 instead to get noise levels
Diffstat (limited to 'libavfilter/af_afftdn.c')
| -rw-r--r-- | libavfilter/af_afftdn.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavfilter/af_afftdn.c b/libavfilter/af_afftdn.c index fb1e031cbf..f42243dd8b 100644 --- a/libavfilter/af_afftdn.c +++ b/libavfilter/af_afftdn.c @@ -974,7 +974,7 @@ static void finish_sample_noise(AudioFFTDeNoiseContext *s, dnch->noise_band_var[i] -= dnch->noise_band_avr[i] * dnch->noise_band_avr[i] + dnch->noise_band_avi[i] * dnch->noise_band_avi[i]; dnch->noise_band_auto_var[i] = dnch->noise_band_var[i]; - sample_noise[i] = (1.0 / C) * log(dnch->noise_band_var[i] / s->floor) - 100.0; + sample_noise[i] = 10.0 * log10(dnch->noise_band_var[i] / s->floor) - 100.0; } if (s->noise_band_count < NB_PROFILE_BANDS) { for (int i = s->noise_band_count; i < NB_PROFILE_BANDS; i++) @@ -1091,7 +1091,7 @@ static void get_auto_noise_levels(AudioFFTDeNoiseContext *s, { if (s->noise_band_count > 0) { for (int i = 0; i < s->noise_band_count; i++) { - levels[i] = (1.0 / C) * log(dnch->noise_band_auto_var[i] / s->floor) - 100.0; + levels[i] = 10.0 * log10(dnch->noise_band_auto_var[i] / s->floor) - 100.0; } if (s->noise_band_count < NB_PROFILE_BANDS) { for (int i = s->noise_band_count; i < NB_PROFILE_BANDS; i++) |