Acoustic indicator

#1031630

#1015224

#1759416

#1717409

#1759419

#1759418

#1717407

#1759421

#1717408

#1759420

#1759417

#1616770

#1616753

#1616761

#1616762

#1616760

#1616754

#1616769

#1616759

#1616763