calculateHighFreqEnergy() [2/2]

float fl::audio::detector::Transient::calculateHighFreqEnergy ( const fft::Bins & fft )

private

Definition at line 85 of file transient.cpp.hpp.

                                                                        {
    // Focus on mid-high to high frequencies (bins 4-15) for transient detection
    // Low frequencies tend to have slower attack times
    float energy = 0.0f;
    size numBins = fft.raw().size();
 
    // Weight higher frequencies more for transient detection
    for (size i = 4; i < numBins; i++) {
        float weight = static_cast<float>(i) / static_cast<float>(numBins);
        energy += fft.raw()[i] * (1.0f + weight);
    }
 
    size validBins = (numBins > 4) ? (numBins - 4) : 1;
    return energy / static_cast<float>(validBins);
}

References fl::FL_NO_EXCEPT.

Referenced by update().

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