table->Add (_sound, wxGBPosition (r, 0), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
_sound_output = new wxChoice (_panel, wxID_ANY);
table->Add (_sound_output, wxGBPosition (r, 1));
table->Add (_sound, wxGBPosition (r, 0), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
_sound_output = new wxChoice (_panel, wxID_ANY);
table->Add (_sound_output, wxGBPosition (r, 1));