Feature extraction data flow The LPC Liner predictive coding method based method Signal preprocess->autocorrelation-> LPC ---->cepstral coef (pre-emphasis)rory,r 1 (windowing (Durbin alog Feature extraction v 9aFeature extraction data flow - The LPC (Liner predictive coding) method based method • Signal • • preprocess -> autocorrelation-> LPC ---->cepstral coef • (pre-emphasis) r0 ,r1 ,.., rp a1 ,.., ap c1 ,.., cp • (windowing) (Durbin alog.) Feature extraction, v.9a 18