Lines Matching refs:lpc
38 opus_val16 *_lpc, /* out: [0...p-1] LPC coefficients */
47 opus_val32 lpc[LPC_ORDER];
49 float *lpc = _lpc;
52 OPUS_CLEAR(lpc, p);
59 rr += MULT32_32_Q31(lpc[j],ac[i - j]);
62 /* Update LPC coefficients and total error */
63 lpc[i] = SHR32(r,3);
67 tmp1 = lpc[j];
68 tmp2 = lpc[i-1-j];
69 lpc[j] = tmp1 + MULT32_32_Q31(r,tmp2);
70 lpc[i-1-j] = tmp2 + MULT32_32_Q31(r,tmp1);
86 _lpc[i] = ROUND16(lpc[i],16);