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Fix offsets in threshold calculations

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This commit is contained in:
Robbert van der Helm 2022-07-23 00:03:22 +02:00
parent f0efdad059
commit f58e278c85
1 changed files with 2 additions and 2 deletions
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4
plugins/spectral_compressor/src/compressor_bank.rs
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@ -586,7 +586,7 @@ impl CompressorBank {
.iter() .iter()
.zip(self.downwards_thresholds.iter_mut()) .zip(self.downwards_thresholds.iter_mut())
{ {
let offset = log2_center_freq - log2_freq; let offset = log2_freq - log2_center_freq;
let threshold_db = intercept + (slope * offset) + (curve * offset * offset); let threshold_db = intercept + (slope * offset) + (curve * offset * offset);
// This threshold may never reach zero as it's used in divisions to get a gain ratio // This threshold may never reach zero as it's used in divisions to get a gain ratio
// above the threshold // above the threshold
@ -605,7 +605,7 @@ impl CompressorBank {
.iter() .iter()
.zip(self.upwards_thresholds.iter_mut()) .zip(self.upwards_thresholds.iter_mut())
{ {
let offset = log2_center_freq - log2_freq; let offset = log2_freq - log2_center_freq;
let threshold_db = intercept + (slope * offset) + (curve * offset * offset); let threshold_db = intercept + (slope * offset) + (curve * offset * offset);
*threshold = util::db_to_gain(threshold_db).max(f32::EPSILON); *threshold = util::db_to_gain(threshold_db).max(f32::EPSILON);
} }