Lines Matching refs:bckr_est
397 /* Control update of bckr_est[] */
419 /* Update noise estimate (bckr_est) */
423 temp = (st->old_level[i] - st->bckr_est[i]);
427 st->bckr_est[i] = add1(-2, add(st->bckr_est[i],vo_mult_r(alpha_down, temp)));
429 if(st->bckr_est[i] < NOISE_MIN)
431 st->bckr_est[i] = NOISE_MIN;
435 st->bckr_est[i] = add1(bckr_add, add1(st->bckr_est[i],vo_mult_r(alpha_up, temp)));
438 if(st->bckr_est[i] > NOISE_MAX)
440 st->bckr_est[i] = NOISE_MAX;
475 * (bckr_est). */
481 exp = norm_s(st->bckr_est[i]);
482 temp = (st->bckr_est[i] << exp);
492 L_temp = vo_L_add(L_temp, st->bckr_est[i]);
694 state->bckr_est[i] = NOISE_INIT;
