public void GetPowerCepstrumTest()
{
// http://mi.eng.cam.ac.uk/~ajr/SpeechAnalysis/node33.html
Complex[] source =
{
(Complex)(-1.0), (Complex)(+0.5),
(Complex)(+0.3), (Complex)(-0.4),
(Complex)(+0.1), (Complex)(-0.9),
(Complex)(-0.2), (Complex)(-0.5),
};
double[] expected =
{
0.3319, 0.1285, -0.0218, 0.2303, -0.2639, 0.2303, -0.0218, 0.1285
};
double[] actual = Tools.GetPowerCepstrum(source);
Assert.IsTrue(expected.IsEqual(actual, 1e-4));
}
public void InterleaveTest()
{
float[,] channels =
{
{ 0.1f, -5.1f },
{ -0.2f, -6.0f },
{ 2.3f, -3.4f },
{ 0.7f, 5.2f },
{ 0.6f, -1.7f },
};
float[] expected =
{
0.1f, -5.1f,
-0.2f, -6.0f,
2.3f, -3.4f,
0.7f, 5.2f,
0.6f, -1.7f,
};
float[] actual = Tools.Interleave(channels);
Assert.IsTrue(actual.IsEqual(expected));
}
