As used in this chapter, the following terms shall have the meanings ascribed to them:
Any individual, firm, association or corporation, whether the person is the owner, lessee or his charterer or his servants, agents or employees.
Any radio device or apparatus or any device or apparatus for the amplification of sounds from any radio, phonograph or other sound-making or sound-producing device or any device or apparatus for the reproduction or amplification of the human voice or other sounds.
To use or operate or cause to be used or operated any sound device or apparatus in front of or outside of any building, place or premises or in or through any window, doorway or opening of any building, place or premises, abutting on or adjacent to any public street, park or place or in or upon any vehicle operated, standing or being in or upon any public street, park or place where the sounds therefrom may be heard upon any public street, park or place or from any stand, platform or other structure or from any airplane or other device used for flying, flying over the city or in any boat or on the waters within the jurisdiction of the city or anywhere on or in the public streets, parks or places.
That which is not required by the usual circumstances.
The normal noise range for a particular type of vehicle mechanism.