For purposes of this chapter, unless it is plainly evident from the context that a different meaning is intended, the following definitions shall apply:
“Sound amplifying equipment” means any machine or device for the amplification of the human voice, music, or any other sound, or by which the human voice, music, or any other sound is amplified. “Sound amplifying equipment” does not include: standard automobile radios when used and heard only by the occupants of the vehicle in which the automobile radio is installed; warning devices on authorized emergency vehicles; or horns or other warning devices on any vehicle used only for traffic safety purposes.
“Sound truck” means any motor vehicle, or any other vehicle regardless of motive power, whether in motion or stationary, having mounted thereon, or attached thereto, any sound amplifying equipment.
(Ord. 790 § 3 (part), 1999)