Before any person shall use, or cause to be used, sound amplifying equipment, a sound truck or other conveyance with its sound amplifying equipment in operation for noncommercial purposes on any street in the city, or in the air above the city, and before any person shall use, or cause to be used, any sound amplifying equipment in any public park or public playground in the city, he shall file a registration statement with the chief of police or other member of the police department authorized by the chief to accept such registration.

(Code 1964, § 7.365)