if (!(*it)->name().compare ("Region") && (!type || type->value() == "audio") ) {
try {
list.push_back (ElementPtr ( new AudioRegionImporter (source, session, *this, **it)));
if (!(*it)->name().compare ("Region") && (!type || type->value() == "audio") ) {
try {
list.push_back (ElementPtr ( new AudioRegionImporter (source, session, *this, **it)));