For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning. All terminology used in this chapter shall be in conformance with applicable publications of the American National Standards Institute (ANSI) or its successor body.
A-WEIGHTED SOUND LEVEL. The loudness of a sound measured through a filtering device intended to simulate human hearing. The level is designated dB(A) or dBA.
COMMERCIAL ZONE. Areas within the city where commercial activity may lawfully be conducted.
DECIBEL (dB). A unit for measuring the sound pressure level of a sound.
FREQUENCY. An objective way to describe the pitch of a sound.
HERTZ (Hz). A unit for measuring the frequency of a sound (sometimes called “cycles per second”).
INDUSTRIAL ZONE. Areas within the city where industrial activity may lawfully be conducted.
LIGHT MOTOR VEHICLE. Any motorized vehicle with gross vehicular weight less than 8,000 pounds including automobiles, vans, motorcycles, motor-driven cycles, motor scooters, dune buggies, snowmobiles, all-terrain vehicles, go-karts, minibikes, trail bikes and light trucks.
MODIFIED EXHAUST SYSTEM. Any exhaust system in which the original noise abatement devices have been removed, altered or replaced to produce more noise.
NOISE. Any unwanted sound.
OCTAVE BAND. A way to divide the entire frequency range of sound into sections for more accurate measurements.
PLAINLY AUDIBLE. Any noise for which the information content is unambiguously communicated to the listener, including understandable spoken speech, comprehension of whether a voice is raised (agitated) or normal or comprehensible musical rhythms.
RESIDENTIAL ZONES. Areas within the city where residential uses may lawfully exist.
SOUND LEVEL METER. An instrument designed to measure sound pressure levels.
SOUND PRESSURE LEVEL. An objective way to describe the loudness of a sound.
(Am. Ord. 9-2020, passed 8-10-20)