void
vtln_alpha(Recog *recog, RecogProcess *r)
{
Sentence *s;
float alpha, alpha_bgn, alpha_end;
float max_alpha;
LOGPROB max_score;
PROCESS_AM *am;
MFCCCalc *mfcc;
SentenceAlign *align;
s = &(r->result.sent[0]);
align = result_align_new();
max_score = LOG_ZERO;
printf("------------ begin VTLN -------------\n");
mfcc = r->am->mfcc;
alpha_bgn = mfcc->para->vtln_alpha - VTLN_RANGE;
alpha_end = mfcc->para->vtln_alpha + VTLN_RANGE;
for(alpha = alpha_bgn; alpha <= alpha_end; alpha += VTLN_STEP) {
mfcc->para->vtln_alpha = alpha;
if (InitFBank(mfcc->wrk, mfcc->para) == FALSE) {
jlog("ERROR: VTLN: InitFBank() failed\n");
return;
}
if (wav2mfcc(recog->speech, recog->speechlen, recog) == FALSE) {
jlog("ERROR: VTLN: wav2mfcc() failed\n");
return;
}
outprob_prepare(&(r->am->hmmwrk), mfcc->param->samplenum);
word_align(s->word, s->word_num, mfcc->param, align, r);
printf("%f: %f\n", alpha, align->allscore);
if (max_score < align->allscore) {
max_score = align->allscore;
max_alpha = alpha;
}
}
printf("MAX: %f: %f\n", max_alpha, max_score);
mfcc->para->vtln_alpha = max_alpha;
if (InitFBank(mfcc->wrk, mfcc->para) == FALSE) {
jlog("ERROR: VTLN: InitFBank() failed\n");
return;
}
printf("------------ end VTLN -------------\n");
result_align_free(align);
}
void cTumkwsjSink::juAlignPass1Keywords(RecogProcess *r, HTK_Param *param)
{
// int n;
Sentence *s;
SentenceAlign *now;//, *prev;
s = &(r->result.pass1);
/* do forced alignment if needed */
if ((r->config->annotate.align_result_word_flag)&&(s->word_num>0)) {
//now = result_align_new();
//if (s->align == NULL)
now = result_align_new(); //else now = s->align;
word_align(s->word, s->word_num, param, now, r);
if (s->align == NULL) //result_align_free(s->align);
s->align = now;
else {
result_align_free(s->align);
s->align = now;
}
// else prev->next = now;
// prev = now;
}
}
