(a) A person commits an offense if he knowingly makes or causes to be made any loud and raucous noise in any public park and recreation area in the city.
(b) It is a defense to prosecution under Subsection (a) that the person:
(1) is a city employee acting within the scope of his official duties; or
(2) first obtained the written permission of the director of the park and recreation department of the city authorizing a special event.
(c) The following enumerated acts are presumed to create loud and raucous noises for purposes of this section:
(1) The sounding of any horn or signal device on any automobile, motorcycle, bus, or other vehicle, except as a danger signal, as required by state law.
(2) The use of any mechanical loudspeaker or sound amplifier for the purpose of attracting the attention of other persons by the creation of noise.
(3) The playing of any radio, television, tape machine, musical instrument, or other machine or device for the production or reproduction of sound at such a volume that the sound produced is audible at a distance in excess of 150 feet.
(4) The operation of any automobile, motorcycle, bus, or other vehicle or mechanical device in such a manner so as to produce a sound that is audible at a distance in excess of 150 feet. (Ord. 17090)