5.68.010: DEFINITIONS:
As used in this chapter:
SOUND DEVICE OR APPARATUS: Any radio device or apparatus, or any device or apparatus for the amplification of any sounds from any radio, phonograph or other sound making or sound producing device, and/or any device or apparatus for the reproduction or amplification of the human voice or other sounds.
USE OR OPERATE ANY SOUND DEVICE OR APPARATUS: To use or operate, or cause to be used or operated, any sound device or apparatus in front or outside of any building, place or premises, or in or through any window, doorway or opening of such building, place or premises, abutting on or adjacent to a public street, park or place, or in or upon any vehicle operated, standing or being in or on any public street, park or place where the sounds therefrom may be heard from any public street, park or place, or from any stand, platform or other structure, or from any airplane or other device used for flying over the City, or anywhere on or in the public streets, parks or places. (Prior code § 20-31-1)