cst_utterance *default_pause_insertion(cst_utterance *u) { /* Add initial silences and silence at each phrase break */ const char *silence; const cst_item *w; cst_item *p, *s; silence = val_string(feat_val(u->features,"silence")); /* Insert initial silence */ s = relation_head(utt_relation(u,"Segment")); if (s == NULL) s = relation_append(utt_relation(u,"Segment"),NULL); else s = item_prepend(s,NULL); item_set_string(s,"name",silence); for (p=relation_head(utt_relation(u,"Phrase")); p; p=item_next(p)) { for (w = item_last_daughter(p); w; w=item_prev(w)) { s = path_to_item(w,"R:SylStructure.daughtern.daughtern.R:Segment"); if (s) { s = item_append(s,NULL); item_set_string(s,"name",silence); break; } } } return u; }
static void apostrophe_s(cst_utterance *u) { cst_item *s; cst_item *schwa; const cst_phoneset *ps = u->vox->phoneset; const char *pname, *word; for (s=item_next(UTT_REL_HEAD(u,SEGMENT)); s; s=item_next(s)) { word = val_string(ffeature(s, "R:"SYLSTRUCTURE".P.P.name")); if (cst_streq("'s", word)) { pname = item_feat_string(item_prev(s),"name"); if ((strchr("fa",*phone_feature_string(ps,pname,"ctype")) != NULL) && (strchr("dbg", *phone_feature_string(ps,pname,"cplace")) == NULL)) /* needs a schwa */ { schwa = item_prepend(s,NULL); item_set_string(schwa,"name","ax"); item_prepend(item_as(s,SYLSTRUCTURE),schwa); } else if (cst_streq("-",phone_feature_string(ps,pname,"cvox"))) item_set_string(s,"name","s"); } else if (cst_streq("'ve", word) || cst_streq("'ll", word) || cst_streq("'d", word)) { if (cst_streq("-",ffeature_string(s,"p."PH_VC))) { schwa = item_prepend(s,NULL); item_set_string(schwa,"name","ax"); item_prepend(item_as(s,SYLSTRUCTURE),schwa); } } } }