pysptk.sptk.mgclsp2sp

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

MGC-LSP to spectrum

Parameters
lsparray

MGC-LSP

alphafloat, optional

All-pass constant. Default is 0.0.

gammafloat, optional

Gamma. Default is 0.0.

fftlenint, optional

FFT length. Default is 256.

gainbool, optional

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

Returns
sparray, shape (fftlen // 2 + 1)

Complex spectrum

Raises
ValueError
  • if invalid gamma is specified

  • if non power of 2 fftlen is specified