pysptk.sptk.levdur¶
- pysptk.sptk.levdur(r, eps=0.0, use_scipy=True)[source]¶
Solve an Autocorrelation Normal Equation Using Levinson-Durbin Method
- Parameters
- rarray
Autocorrelation sequence
- epsfloat
Singular check (eps(if -1., 0.0 is assumed))
- use_scipybool
Use scipy’s solve_toeplitz implementation or not. Default is True. This would be more numerically stable than SPTK.
- Returns
- aarray
LPC
- Raises
- RuntimeError
if abnormally completed or unstable LPC
See also