pysptk.sptk.mgclsp2sp

pysptk.sptk.mgclsp2sp(lsp, alpha=0.0, gamma=0.0, fftlen=256, gain=True)

MGC-LSP to spectrum

Parameters:

lsp : array

MGC-LSP

alpha : float, optional

All-pass constant. Default is 0.0.

gamma : float, optional

Gamma. Default is 0.0.

fftlen : int, optional

FFT length. Default is 256.

gain : bool, optional

Whether the input MGC-LSP should have loggain or not. Default is True.

Returns:

sp : array, shape (fftlen // 2 + 1)

Complex spectrum

Raises:

ValueError

  • if invalid gamma is specified
  • if non power of 2 fftlen is specified