A_WEIGHTING_16BAND

float fl::audio::SpectralEqualizer::A_WEIGHTING_16BAND

staticconstexprprivate

Initial value:

= {
        0.5f,  
        0.6f,  
        0.8f,  
        1.0f,  
        1.2f,  
        1.3f,  
        1.4f,  
        1.4f,  
        1.3f,  
        1.2f,  
        1.0f,  
        0.8f,  
        0.6f,  
        0.4f,  
        0.2f,  
        0.1f   
    }

A-weighting coefficients for 16-band frequency analysis These approximate the A-weighting curve across logarithmic frequency bins Values emphasize 1-6 kHz range where human hearing is most sensitive.

Definition at line 147 of file spectral_equalizer.h.

                                                    {
        0.5f,  // Bin 0: 20-40 Hz (bass rolloff)
        0.6f,  // Bin 1: 40-80 Hz (bass rolloff)
        0.8f,  // Bin 2: 80-160 Hz (gradual increase)
        1.0f,  // Bin 3: 160-320 Hz (flat)
        1.2f,  // Bin 4: 320-640 Hz (emphasis begins)
        1.3f,  // Bin 5: 640-1280 Hz (emphasis)
        1.4f,  // Bin 6: 1280-2560 Hz (peak emphasis)
        1.4f,  // Bin 7: 2560-5120 Hz (peak emphasis)
        1.3f,  // Bin 8: 5120-10240 Hz (gradual rolloff)
        1.2f,  // Bin 9: 10240-16000 Hz (rolloff continues)
        1.0f,  // Bin 10 (fallback)
        0.8f,  // Bin 11 (fallback)
        0.6f,  // Bin 12 (fallback)
        0.4f,  // Bin 13 (fallback)
        0.2f,  // Bin 14 (fallback)
        0.1f   // Bin 15 (fallback)
    };

Referenced by calculateAWeightingGains().