static cst_utterance *cg_resynth(cst_utterance *utt)
{
cst_cg_db *cg_db;
cst_wave *w;
cst_track *param_track;
cst_track *str_track = NULL;
cst_track *smoothed_track;
const cst_val *streaming_info_val;
cst_audio_streaming_info *asi = NULL;
streaming_info_val=get_param_val(utt->features,"streaming_info",NULL);
if (streaming_info_val)
asi = val_audio_streaming_info(streaming_info_val);
cg_db = val_cg_db(utt_feat_val(utt,"cg_db"));
param_track = val_track(utt_feat_val(utt,"param_track"));
if (cg_db->mixed_excitation)
str_track = val_track(utt_feat_val(utt,"str_track"));
if (cg_db->do_mlpg)
{
smoothed_track = mlpg(param_track, cg_db);
w = mlsa_resynthesis(smoothed_track,str_track,cg_db,asi);
delete_track(smoothed_track);
}
else
w=mlsa_resynthesis(param_track,str_track,cg_db,asi);
utt_set_wave(utt,w);
return utt;
}
cst_utterance *cst_spamf0(cst_utterance *utt)
{
cst_track *spamf0_track = NULL;
cst_track *param_track = NULL;
cst_item *s;
cst_cg_db *cg_db;
const cst_cart *acc_tree, *phrase_tree;
float end, f0val, syldur;
int num_frames, f, i;
cg_db = val_cg_db(utt_feat_val(utt, "cg_db"));
spamf0_track = new_track();
cst_track_resize(spamf0_track,
(utt_feat_int(utt, "param_track_num_frames")), 1);
acc_tree = cg_db->spamf0_accent_tree;
phrase_tree = cg_db->spamf0_phrase_tree;
end = 0.0;
num_frames = 0;
for (s = utt_rel_head(utt, "Segment"); s; s = item_next(s))
{
end = ffeature_float(s, "end");
if (cst_streq("pau", ffeature_string(s, "name")))
{
f0val = 0;
}
else
{
f0val = val_float(cart_interpret(s, phrase_tree));
}
for (;
((num_frames * cg_db->frame_advance) <= end)
&& (num_frames < utt_feat_int(utt, "param_track_num_frames"));
num_frames++)
{
spamf0_track->frames[num_frames][0] = f0val;
}
}
for (s = utt_rel_head(utt, "Syllable"); s; s = item_next(s))
{
f = val_int(cart_interpret(s, acc_tree));
syldur = ffeature_float(s, "R:SylStructure.daughtern.R:Segment.end")
- ffeature_float(s, "R:SylStructure.daughter1.R:Segment.p.end");
cst_synthtilt(cg_db,
ffeature_float(s,
"R:SylStructure.daughter1.R:Segment.p.end"),
cg_db->spamf0_accent_vectors[f][0],
cg_db->spamf0_accent_vectors[f][2], syldur,
cg_db->spamf0_accent_vectors[f][6], spamf0_track);
}
param_track = val_track(utt_feat_val(utt, "param_track"));
for (i = 0; i < utt_feat_int(utt, "param_track_num_frames"); i++)
{
param_track->frames[i][0] = spamf0_track->frames[i][0];
}
delete_track(spamf0_track);
return utt;
}
