(A) No person or organization shall engage in any performance or use any electronic device in any manner so as to create a public disturbance or operate or permit the operation of any sound amplification system from a vehicle so that the sound is plainly audible at a distance of 50 or more feet from the vehicle.
(1) PUBLIC DISTURBANCE means loud music revelry, or electronically reproduced sound done or created at a time and a place or in a manner so as to create a substantial likelihood of disturbing the public’s reasonable expectation of peace of and quiet.
(2) SOUND AMPLIFICATION SYSTEM means any radio, tape player, compact disk player, loud speaker or other electronic device used for amplification of the human voice and/or musical instrument.
(3) PLAINLY AUDIBLE means any sound produced by a sound amplification system from within the vehicle which clearly can be heard at a distance of 50 feet or more. Measurement standards shall be by the auditory senses based on direct line of sight. Words or phrases need not be discernible and base reverberations are included. The motor vehicle may be stopped, standing, parked or moving on the street, highway, alley, parking lot or driveway.
(B) It is an affirmative defense to a charge under this section that the operator was not otherwise prohibited by law from operating the sound amplification system, and that any of the following apply:
(1) A system was being operated to request medical or vehicular assistance or to warn of a hazardous road condition;
(2) The vehicle was any emergency or public safety vehicle; and
(3) The vehicle was used in authorized public activities, such as parades, fireworks, sports events, musical productions and other activities which have the approval of the department of the city authorized to grant such approval.
(Prior Code, § 7.02.44)