It is an infraction and subject to penalty as provided in section 1-4-6 of this code, for any person to maintain, operate, connect or suffer or permit to be maintained, operated or connected any calliope or radio apparatus, sound device or loudspeaker attached thereto in such a manner that the loudspeaker or amplifier causes the sound to be projected directly therefrom outside of any building, vehicle or out of doors; provided, that the chief of police may grant a permit to broadcast any events or happenings of cultural, political, intellectual or religious interest. (1978 Code § 13-333; amd. 1996 Code)