Lines Matching refs:amp
71 double amp = float(pow(10.0, fFilterLowshelfAttenuation / 40.0));
75 double beta = float(sqrt(amp)/fFilterShelfSlope);
78 double b0 = amp * ((amp+1.0F) - ((amp-1.0F)*cosw) + (beta*sinw));
79 double b1 = 2.0F * amp * ((amp-1.0F) - ((amp+1.0F)*cosw));
80 double b2 = amp * ((amp+1.0F) - ((amp-1.0F)*cosw) - (beta*sinw));
81 double a0 = (amp+1.0F) + ((amp-1.0F)*cosw) + (beta*sinw);
82 double a1 = 2.0F * ((amp-1.0F) + ((amp+1.0F)*cosw));
83 double a2 = -((amp+1.0F) + ((amp-1.0F)*cosw) - (beta*sinw));
