The following shall be exceptions to the application of this noise regulations chapter:
(A) Parades, community events, festivals, band concerts;
(B) Emergency vehicles, and for emergency purposes such as police, fire and ambulance sirens or warning devices and loudspeakers used in connection with crimes, disasters or emergencies;
(C) An employee of a governmental entity engaged in the employee's official duty; and
(D) Church bells and chimes.