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allow +6 db on bs412

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This commit is contained in:
KubaPro010
2026-01-24 10:16:33 +01:00
parent f938e26c80
commit 018f9490ce
1 changed files with 2 additions and 3 deletions
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5
filter/bs412.c
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@@ -50,7 +50,6 @@ float bs412_compress(BS412Compressor* mpx, float sample) {
debug_printf("MPX power: %.2f dBr with gain %.2fx (%.2f dBr)\n", modulation_power, mpx->gain, deviation_to_dbr(avg_deviation * mpx->gain));
#endif
mpx->sample_counter = 0;
if(mpx->can_compress == 0) mpx->second_counter++;
}
if(mpx->can_compress == 0 && mpx->second_counter > BS412_TIME) {
@@ -73,7 +72,7 @@ float bs412_compress(BS412Compressor* mpx, float sample) {
mpx->gain = mpx->release * mpx->gain + (1.0f - mpx->release) * target_gain;
}
mpx->gain = fmaxf(0.0f, fminf(sqrtf(2), mpx->gain));
mpx->gain = fmaxf(0.0f, fminf(sqrtf(2)*2.0f, mpx->gain));
float output_sample = sample * mpx->gain;
if(deviation_to_dbr(avg_deviation * mpx->gain) > mpx->target && deviation_to_dbr(avg_deviation) < mpx->target) {
@@ -81,7 +80,7 @@ float bs412_compress(BS412Compressor* mpx, float sample) {
float overshoot_dbr = deviation_to_dbr(avg_deviation * mpx->gain) - mpx->target;
float reduction_factor = powf(10.0f, -overshoot_dbr / 10.0f);
mpx->gain *= reduction_factor;
mpx->gain = fmaxf(0.0f, fminf(sqrtf(2), mpx->gain));
mpx->gain = fmaxf(0.0f, fminf(sqrtf(2)*2.0f, mpx->gain));
}
mpx->sample_counter++;