public void TestLowpass() { var lp = new TF.Lowpass1(48000.0f); lp.SetParam(TF.Lowpass1.P_FREQ, 500); Assert.AreEqual(3142.7146 / 99142.71, lp.B[0], 0.00001f); Assert.AreEqual(3142.7146 / 99142.71, lp.B[1], 0.00001f); Assert.AreEqual(1.0, lp.A[0], 0.00001f); Assert.AreEqual(-92857.29 / 99142.71, lp.A[1], 0.00001f); }