As used in this Article, specific words and phrases are defined as follows:
"Ambient noise level"shall mean the all-encompassing noise level associated with a given environment, being a composite of sounds from all sources, excluding any alleged offensive noise.
"Commercial purpose"shall mean the use, operation or maintenance of any sound-amplifying equipment for the purpose of advertising any business, goods, or services and/or for the purpose of advertising or attracting the attention of the public to or soliciting patronage for any performance, entertainment, exhibition or event, or for the purpose of demonstrating any such sound equipment.
"Cumulative time period"shall mean an additive period of time composed of individual time segments which may be continuous or interrupted.
"Decibel" (dB)shall mean a measurement unit of sound pressure level which denotes the ratio between two quantities which are proportional to power; the number of decibels corresponding to the ratio of two amounts of power is ten times the logarithm to the base 10 of this ratio.
"Impact noise"shall mean the sound produced by the impact or collision of one moving object or mass with a second object or mass that is stationary or moving.
"Motor driven vehicle"shall include, but not be limited to, any automobile, truck, van, bus, motorcycle, mini-bike or go-cart.
"Noise"shall mean any sound that is loud or disturbing or that interferes with one's ability to hear some other sound.
"Noise level"shall mean the "A" weighted sound pressure level in decibels audible to humans obtained by using a sound level meter. The unit of noise level measurement shall be designated as dB(A).
"Noncommercial purpose"shall mean the use, operation or maintenance of any sound-amplifying equipment for other than a "commercial purpose," including, but not limited to, philanthropic, charitable, political and patriotic purposes.
"Person"shall mean a person, firm, association, copartnership, joint venture, corporation, or any entity, public or private in nature.
"Simple tone noise"shall mean a noise characterized by a predominant frequency or frequencies so that other frequencies cannot be readily distinguished.
"Sound pressure level"of a sound, in decibels, shall mean twenty times the logarithm to the base 10 of the ratio of the pressure of this sound to the reference pressure, which reference pressure shall be explicitly stated.
(Ord. 88-29 9-13-88)