Documentation

Linear Predictive Coding

Linear predictive coefficients (LPC), line spectral frequencies (LSF), reflection coefficients (RC), Levinson-Durbin recursion

Functions

corrmtx Data matrix for autocorrelation matrix estimation
ac2poly Convert autocorrelation sequence to prediction polynomial
ac2rc Convert autocorrelation sequence to reflection coefficients
is2rc Convert inverse sine parameters to reflection coefficients
lar2rc Convert log area ratio parameters to reflection coefficients
levinson Levinson-Durbin recursion
lpc Linear prediction filter coefficients
lsf2poly Convert line spectral frequencies to prediction filter coefficients
poly2ac Convert prediction filter polynomial to autocorrelation sequence
poly2lsf Convert prediction filter coefficients to line spectral frequencies
polyscale Scale roots of polynomial
poly2rc Convert prediction filter polynomial to reflection coefficients
rc2ac Convert reflection coefficients to autocorrelation sequence
rc2is Convert reflection coefficients to inverse sine parameters
rc2lar Convert reflection coefficients to log area ratio parameters
rc2poly Convert reflection coefficients to prediction filter polynomial
rlevinson Reverse Levinson-Durbin recursion
schurrc Compute reflection coefficients from autocorrelation sequence
xcorr Cross-correlation
xcov Cross-covariance
Was this topic helpful?