Method getTrebleNorm

src/fl/audio/detector/frequency_bands.h:40–40

    float getBassNorm() const { return mBassNorm; }
    float getMidNorm() const { return mMidNorm; }
    float getTrebleNorm() const { return mTrebleNorm; }

    // Configuration - set frequency ranges (in Hz)
    void setBassRange(float min, float max) { mBassMin = min; mBassMax = max; }