All terminology used in this chapter shall be in conformance with applicable publications of the American National Standards Institute (ANSI) or its successor body. For purposes of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
A-WEIGHTED SOUND LEVEL. The loudness of a sound measured through a filtering device intended to stimulate human hearing. The level is designated db(A) or dBA.
COMMERCIAL ZONE. Zones C-1, C-2, C-3, and C-4 as defined in the Comprehensive Zoning Ordinance for Warrick County, Indiana.
DECIBEL ("dB"). The unit for measuring the sound pressure level of a sound.
FREQUENCY. The objective way to describe the pitch of sound.
HERTZ. The unit for measuring the frequency of a sound (sometimes called CYCLES PER SECOND.)
INDUSTRIAL ZONE. Zones M-1, M-2, and M-3 as defined in the Comprehensive Zoning Ordinance for Warrick County, Indiana.
LIGHT MOTOR VEHICLE. Any motor 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 device has been removed, altered, or replaced to produce more noise.
NOISE. Any unwanted sound.
OCTAVE BAND. A way to divide the entire frequency range of sounds into sections for more accurate measurement.
PLAINLY AUDIBLE. Any noise for which the information content is ambiguously communicated to the listener, including understandable spoken speech, comprehension of whether a voice is raised, agitated, or normal, or comprehensible musical rhythms.
RESIDENTIAL ZONES. Zones R-1, R-1A, R-1B, R-1C, R-1D, R-2, R-2A, R- 2B, R-3, R-0, and R-MH as defined in the Comprehensive Zoning Ordinance for Warrick County, Indiana.
SOUND LEVEL METER. An instrument designed to measure sound pressure levels.
SOUND PRESSURE LEVEL. An objective way to describe the loudness of a sound.
(BC Ord. 2023-14, passed 7-24-23)