applyLoudnessCompensation()

void fl::audio::PerceptualWeighting::applyLoudnessCompensation	(	Data &	data,
		float	referenceLevel ) const

Definition at line 934 of file audio_reactive.cpp.hpp.

                                                                                          {
    // Calculate current loudness level from raw (non-adaptive) volume.
    // data.volume is adaptive (converges to ~1.0) and cannot distinguish
    // quiet from loud signals.  volumeRaw preserves actual amplitude.
    float currentLoudness = data.volumeRaw;
    
    // Calculate compensation factor based on difference from reference
    float compensationFactor = 1.0f;
    if (currentLoudness < referenceLevel) {
        // Boost quiet signals
        compensationFactor = 1.0f + (referenceLevel - currentLoudness) / referenceLevel * 0.3f;
    } else if (currentLoudness > referenceLevel * 1.5f) {
        // Slightly reduce very loud signals  
        compensationFactor = 1.0f - (currentLoudness - referenceLevel * 1.5f) / (referenceLevel * 2.0f) * 0.2f;
    }
    
    // Apply compensation to frequency bins
    for (int i = 0; i < 16; ++i) {
        data.frequencyBins[i] *= compensationFactor;
    }
    
#if SKETCH_HAS_LARGE_MEMORY
    // Store in history for future adaptive compensation (not implemented yet)
    // This would be used for more sophisticated dynamic range compensation
#endif
}

References fl::audio::Data::frequencyBins, and fl::audio::Data::volumeRaw.

Referenced by ~PerceptualWeighting().

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