radio95/fm95
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fix?

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This commit is contained in:
kuba
2026-04-28 16:51:20 +02:00
parent eeed0c0876
commit 3ea9235411
2 changed files with 2 additions and 3 deletions
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filter/bs412.c
+2 -2
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@@ -33,8 +33,9 @@ void init_bs412(BS412Compressor* comp, uint32_t mpx_deviation, float target_powe
float bs412_compress(BS412Compressor* comp, float audio, float sample_mpx) { float bs412_compress(BS412Compressor* comp, float audio, float sample_mpx) {
float combined = audio + sample_mpx; float combined = audio + sample_mpx;
float output_sample = (audio * comp->gain) + sample_mpx;
comp->avg_power += comp->alpha * ((combined * combined * comp->mpx_deviation * comp->mpx_deviation) - comp->avg_power); comp->avg_power += comp->alpha * ((output_sample * output_sample * comp->mpx_deviation * comp->mpx_deviation) - comp->avg_power);
if(comp->sample_counter % 8 == 0) { if(comp->sample_counter % 8 == 0) {
comp->avg_deviation = sqrtf(comp->avg_power); comp->avg_deviation = sqrtf(comp->avg_power);
@@ -66,7 +67,6 @@ float bs412_compress(BS412Compressor* comp, float audio, float sample_mpx) {
comp->gain = CLAMP(comp->gain, 0.0f, comp->max_gain); comp->gain = CLAMP(comp->gain, 0.0f, comp->max_gain);
float output_sample = (audio * comp->gain) + sample_mpx;
float dev_after_gain = deviation_to_dbr(comp->avg_deviation * comp->gain); float dev_after_gain = deviation_to_dbr(comp->avg_deviation * comp->gain);
if(dev_after_gain > comp->target && comp->modulation_power < comp->target) { if(dev_after_gain > comp->target && comp->modulation_power < comp->target) {
// Gain is too much, reduce // Gain is too much, reduce
filter/bs412.h
-1
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@@ -1,6 +1,5 @@
#pragma once #pragma once
#define BS412_DEBUG
#ifdef DEBUG #ifdef DEBUG
#define BS412_DEBUG #define BS412_DEBUG
#endif #endif