Home | History | Annotate | Download | only in libspeex

Lines Matching refs:lpc

56 #include "lpc.h"
62 /* LPC analysis
74 spx_coef_t       *lpc, /* out: [0...p-1] LPC coefficients      */
86          lpc[i] = 0;
95          rr = SUB32(rr,MULT16_16(lpc[j],ac[i - j]));
101       /*  Update LPC coefficients and total error */
102       lpc[i] = r;
105          spx_word16_t tmp  = lpc[j];
106          lpc[j]     = MAC16_16_P13(lpc[j],r,lpc[i-1-j]);
107          lpc[i-1-j] = MAC16_16_P13(lpc[i-1-j],r,tmp);
110          lpc[j] = MAC16_16_P13(lpc[j],lpc[j],r);