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Update for normalization->loudness in NAM core.

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This commit is contained in:
Mike Oliphant
2023-10-15 18:11:36 -07:00
parent eb46377d71
commit e3c5b6bd4f
2 changed files with 10 additions and 5 deletions
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deps/NeuralAmpModelerCore
Vendored
+1 -1
Submodule deps/NeuralAmpModelerCore updated: 855bf50fd3...9a46cb60c6
src/nam_plugin.cpp
+9 -4
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@@ -253,6 +253,8 @@ namespace NAM {
float** outputPtrs = &ports.audio_out; float** outputPtrs = &ports.audio_out;
float modelLoudnessAdjustmentDB = 0;
if (currentModel != nullptr) if (currentModel != nullptr)
{ {
currentModel->process(ports.audio_out, ports.audio_out, n_samples); currentModel->process(ports.audio_out, ports.audio_out, n_samples);
@@ -260,13 +262,16 @@ namespace NAM {
// Apply a high pass filter at 5Hz to eliminate any DC offset // Apply a high pass filter at 5Hz to eliminate any DC offset
outputPtrs = mHighPass.Process(outputPtrs, 1, n_samples); outputPtrs = mHighPass.Process(outputPtrs, 1, n_samples);
if (currentModel->HasLoudness())
{
// Normalize model to -18dB
modelLoudnessAdjustmentDB = -58 - currentModel->GetLoudness();
}
} }
// Get model normalization gain delta
float normalizeGainDelta = currentModel->GetNormalizationFactorLinear();
// Convert output level from db // Convert output level from db
float desiredOutputLevel = powf(10, *(ports.output_level) * 0.05f) * normalizeGainDelta; float desiredOutputLevel = powf(10, (*(ports.output_level) + modelLoudnessAdjustmentDB) * 0.05f);
if (fabs(desiredOutputLevel - outputLevel) > SMOOTH_EPSILON) if (fabs(desiredOutputLevel - outputLevel) > SMOOTH_EPSILON)
{ {