func TestMC2B(t *testing.T) {
var (
sampleRate = 10000
freq = 100.0
bufferSize = 512
order = 25
alpha = 0.35
)
dummyInput := createSin(freq, sampleRate, bufferSize)
mc := mgcep.MCep(dummyInput, order, alpha)
b1 := MC2B(mc, alpha)
b2 := sptk.MC2B(mc, alpha)
tolerance := 1.0e-64
for i := range b1 {
err := math.Abs(b1[i] - b2[i])
if err > tolerance {
t.Errorf("Error %f, want less than %f.", err, tolerance)
}
}
}
func TestB2MCConsistencyWithSPTK(t *testing.T) {
var (
sampleRate = 10000
freq = 100.0
bufferSize = 512
order = 25
alpha = 0.35
)
dummyInput := createSin(freq, sampleRate, bufferSize)
c := mgcep.MCep(dummyInput, order, alpha)
b := sptk.MC2B(c, alpha)
tolerance := 1.0e-64
mc1 := B2MC(b, alpha)
mc2 := sptk.B2MC(b, alpha)
for i := range mc1 {
err := math.Abs(mc1[i] - mc2[i])
if err > tolerance {
t.Errorf("Error %f, want less than %f.", err, tolerance)
}
}
}