soloud = Soloud_create();
speech = Speech_create();
flanger = FlangerFilter_create();
Soloud_init(soloud);
Soloud_setGlobalVolume(soloud, 10);
Speech_setText(speech, "Hello gamemaker studio world!");
Speech_setFilter(speech, 0, flanger);
Soloud_play(soloud, speech);

show_message("We should hear something now");
 
Soloud_destroy(soloud);