Lisp_Object Vsynchronous_sounds;
Lisp_Object Vnative_sound_only_on_console;
Lisp_Object Q_volume, Q_pitch, Q_duration, Q_sound;
Lisp_Object Vsynchronous_sounds;
Lisp_Object Vnative_sound_only_on_console;
Lisp_Object Q_volume, Q_pitch, Q_duration, Q_sound;