def test_from_matrix(self):
world = World(self.samplingrate)
_, spec, _ = world.analyze(self.signal)
mcepmat = spec2mcep_from_matrix(spec, 20, self.alpha)
mcep = spec2mcep(spec[300], 20, self.alpha)
assert (mcep == mcepmat[300]).all()
specmat = mcep2spec_from_matrix(mcepmat, self.alpha, self.windowsize)
spec = mcep2spec(mcep, self.alpha, self.windowsize)
assert (spec == specmat[300]).all()
def test_from_matrix(self):
world = World(self.samplingrate)
_, spec, _ = world.analyze(self.signal)
mcepmat = spec2mcep_from_matrix(spec, 20, self.alpha)
mcep = spec2mcep(spec[300], 20, self.alpha)
assert (mcep == mcepmat[300]).all()
specmat = mcep2spec_from_matrix(mcepmat, self.alpha, self.windowsize)
spec = mcep2spec(mcep, self.alpha, self.windowsize)
assert (spec == specmat[300]).all()
def test_mcep2coef(self):
mcep = spec2mcep(self.pspec, 20, self.alpha)
coef = mcep2coef(mcep, self.alpha)
mcep2 = coef2mcep(coef, self.alpha)
sqerr = np.sqrt((mcep - mcep2)**2).sum()
assert sqerr < 0.0001, sqerr
def test_spec2mcep(self):
mcep = spec2mcep(self.pspec, 20, self.alpha)
spec = mcep2spec(mcep, self.alpha, self.windowsize)
sqerr = np.sqrt(
(np.log(self.pspec) - np.log(spec))**2).sum() / self.pspec.size
assert sqerr < 1.2, sqerr
def test_mcep2coef(self):
mcep = spec2mcep(self.pspec, 20, self.alpha)
coef = mcep2coef(mcep, self.alpha)
mcep2 = coef2mcep(coef, self.alpha)
sqerr = np.sqrt((mcep - mcep2) ** 2).sum()
assert sqerr < 0.0001, sqerr
def test_spec2mcep(self):
mcep = spec2mcep(self.pspec, 20, self.alpha)
spec = mcep2spec(mcep, self.alpha, self.windowsize)
sqerr = np.sqrt((np.log(self.pspec) - np.log(spec)) ** 2).sum() / self.pspec.size
assert sqerr < 1.2, sqerr
