Routines for calculating (LPC, Cepstral, etc.) coefficients of window (frame).

energy Routine for calculating amount of energy in a double window, with options.

zero_crossings Routine for calculating the number of zero crossings of signal in a double window.

autocorrelation Routine for calculating the autocorrelation of the signal in a double window.

lpc Routine for calculating the Linear Prediction Coefficients from the autocorrelation vector

cepstral Routine for calculating the Cepstral Coefficients from the LPC coefficients

delta_cepstral Routine for calculating the Delta Cepstral Coefficients from the Cepstral coefficients

weighted_cepstral Routine for calculating the Weighted Cepstral Coefficients from the Cepstral coefficients

mel_cepstral Routine for calculating the Mel Cepstral Coefficients from the Cepstral coefficients