void english::correct_pronunciation_of_articles(utterance& u) const
{
relation& trans_rel=u.get_relation("Transcription");
for(relation::iterator word_iter(trans_rel.begin());word_iter!=trans_rel.end();++word_iter)
{
const std::string& word_name=word_iter->get("name").as<std::string>();
item& seg=word_iter->last_child().as("Segment");
if(word_name=="the")
{
if(seg.eval("n.ph_vc").as<std::string>()=="+")
seg.set<std::string>("name","iy");
}
else
{
if((word_name=="a")&&
((!word_iter->as("Phrase").has_next())||
word_iter->has_feature("lseq")))
{
seg.set<std::string>("name","ey");
seg.as("SylStructure").parent().set<std::string>("stress","1");
word_iter->set<std::string>("gpos","content");
}
}
}
}
void english::correct_pronunciation_of_contractions(utterance& u) const
{
std::string manner,place;
relation& trans_rel=u.get_relation("Transcription");
for(relation::iterator word_iter(trans_rel.begin());word_iter!=trans_rel.end();++word_iter)
{
const std::string& word_name=word_iter->get("name").as<std::string>();
item& seg=word_iter->last_child().as("Segment");
bool insert_schwa=false;
if(word_name=="\'s")
{
manner=seg.eval("p.ph_ctype").as<std::string>();
place=seg.eval("p.ph_cplace").as<std::string>();
insert_schwa=(((manner=="f")||(manner=="a"))&&((place=="a")||(place=="p")));
}
else
insert_schwa=((word_name=="\'d")||(word_name=="\'ll")||(word_name=="\'ve"));
if(insert_schwa)
{
item& schwa=seg.prepend();
schwa.set<std::string>("name","ax");
seg.as("Transcription").prepend(schwa);
seg.as("SylStructure").prepend(schwa);
}
if((word_name=="\'s")&&
((seg.eval("p.ph_vc").as<std::string>()=="+")||
(seg.eval("p.ph_cvox").as<std::string>()=="+")))
seg.set<std::string>("name","z");
}
}
void english::predict_accents_and_tones(utterance& u) const
{
relation& syl_rel=u.get_relation("Syllable");
for(relation::iterator syl_iter(syl_rel.begin());syl_iter!=syl_rel.end();++syl_iter)
{
if(accents_dtree.predict(*syl_iter).as<std::string>()!="NONE")
syl_iter->set<std::string>("accented","1");
else
syl_iter->set<std::string>("accented","0");
syl_iter->set("endtone",tones_dtree.predict(*syl_iter));
}
}
sentence_event(const utterance& utt)
{
const relation& token_rel=utt.get_relation("Token");
text_start=token_rel.first().get("position").as<std::size_t>();
text_length=token_rel.last().get("position").as<std::size_t>()+token_rel.last().get("length").as<std::size_t>()-text_start;
}