Don't know for sure if this is any help Artak, but, I found this in the cfgVehicles.hpp, part of the Commented Configs.
// say something when hit
hitSound1[]={voices\Hit11,db-25,1};
hitSound2[]={voices\Hit12,db-25,1};
hitSound3[]={voices\Hit13,db-25,1};
hitSound4[]={voices\Hit14,db-25,1};
hitSound5[]={voices\Hit15,db-25,1};
hitSound6[]={voices\Hit16,db-25,1};
hitSound7[]={voices\Hit17,db-25,1};
hitSound8[]={voices\Hit18,db-25,1};
hitSound9[]={voices\Hit19,db-25,1};
hitSound10[]={voices\Hit20,db-25,1};
hitSound11[]={voices\Hit21,db-25,1};
hitSound12[]={voices\Hit22,db-25,1};
hitSound13[]={voices\Hit23,db-25,1};
hitSound14[]={voices\Hit24,db-25,1};
hitSound15[]={voices\Hit25,db-25,1};
hitSound16[]={voices\Hit26,db-25,1};
hitSound17[]={voices\Hit27,db-25,1};
hitSound18[]={voices\Hit28,db-25,1};
hitSound19[]={voices\Hit29,db-25,1};
hitSound20[]={voices\Hit30,db-25,1};
hitSounds[]=
{
hitSound1,0.05,
hitSound2,0.05,
hitSound3,0.05,
hitSound4,0.05,
hitSound5,0.05,
hitSound6,0.05,
hitSound7,0.05,
hitSound8,0.05,
hitSound9,0.05,
hitSound10,0.05,
hitSound11,0.05,
hitSound12,0.05,
hitSound13,0.05,
hitSound14,0.05,
hitSound15,0.05,
hitSound16,0.05,
hitSound17,0.05,
hitSound18,0.05,
hitSound19,0.05,
hitSound20,0.05
};
I will keep looking about though.
Planck