def synt_from_mcep_matrix_to_spec(world, f0, mcep_mat, aperiod_mat): # world = World(samplingrate, float(hop_length) / samplingrate * 1000) fft_size = world.fftsize() spec_from_mcep = mcep2spec_from_matrix(mcep_mat, alpha, fft_size) out = world.synthesis(f0, spec_from_mcep, aperiod_mat) return out
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()