if (span_events_[START])
{
- span_dynamic_ = new Audio_span_dynamic ();
+ span_dynamic_ = new Audio_span_dynamic (equalize_volume (0.1), equalize_volume (1.0));
announce_element (Audio_element_info (span_dynamic_, span_events_[START]));
span_dynamic_->grow_dir_ = grow_dir_[START];