compute_lpc_coefs(autoc, max_order, lpc, ref);
}else{
LLSModel m[2];
- double var[MAX_LPC_ORDER+1], eval, weight;
+ double var[MAX_LPC_ORDER+1], weight;
for(pass=0; pass<use_lpc-1; pass++){
av_init_lls(&m[pass&1], max_order);
var[j]= samples[i-j];
if(pass){
+ double eval, inv, rinv;
eval= av_evaluate_lls(&m[(pass-1)&1], var+1, max_order-1);
eval= (512>>pass) + fabs(eval - var[0]);
+ inv = 1/eval;
+ rinv = sqrt(inv);
for(j=0; j<=max_order; j++)
- var[j]/= sqrt(eval);
- weight += 1/eval;
+ var[j] *= rinv;
+ weight += inv;
}else
weight++;