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outdoor noise

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  • Noise health effects — are the health consequences of elevated sound levels. Elevated workplace or other noise can cause hearing impairment, hypertension, ischemic heart disease, annoyance, sleep disturbance, and decreased school performance. Changes in the immune… …   Wikipedia

  • Noise barrier — The sound tube in Melbourne, Australia, designed to reduce roadway noise without detracting from the area s aesthetics. A noise barrier (also called a soundwall, sound berm, sound barrier, or acoustical barrier) is an exterior structure designed… …   Wikipedia

  • Noise pollution — A Boeing 747 400 passes close to houses shortly before landing at London Heathrow Airport Noise pollution is excessive, displeasing human, animal or machine created environmental noise that disrupts the activity or balance of human or animal life …   Wikipedia

  • Outdoor–indoor transmission class — (OITC) is a standard used for indicating the rate of transmission of sound between outdoor and indoor spaces in a structure. It is based on the ASTM E 1332 Standard Classification for the Determination of Outdoor–Indoor Transmission Class. An… …   Wikipedia

  • Outdoor-Indoor Transmission Class — (OITC) is a standard used for indicating the rate of transmission of sound between outdoor and indoor spaces in a structure. It is based on the ASTM E 1332 Standard Classification for the Determination of Outdoor Indoor Transmission Class. An… …   Wikipedia

  • Noise map — A noise map is a graphic representation of the sound level distribution existing in a given region, for a defined period. Contents 1 Directive 2002/49/EC 2 Production of noise maps 3 Noise mapping using simulation tools …   Wikipedia

  • Health effects from noise — Roadway noise is a major source of exposure, particularly from tires Noise health effects are the health consequences of elevated sound levels. Elevated workplace or other noise can cause hearing impairment, hypertension, ischemic heart disease,… …   Wikipedia

  • Colors of noise — White Pink Red (Brownian) Grey While noise is by definition derived from a random signal, it can have different characteristic statistical properties corresponding to different mappings from a source of randomness to the concrete noise. Spectral… …   Wikipedia

  • Low-noise block converter — A low noise block converter (LNB, for low noise block, or sometimes LNC, for low noise converter) is the (receiving, or downlink) antenna of what is commonly called the parabolic (actually paraboloid) satellite dish commonly used for satellite TV …   Wikipedia

  • Artificial noise — in the context of sports is the use of sound making or electronic sound devices. This practice is frowned upon by most sports leagues and conferences as an attempt to give the home team an unfair advantage.In organized sports early years, noise,… …   Wikipedia

  • Hazards of outdoor activities — Any outdoor activity entails many risks, even if participants do not recklessly place themselves in harm s way. Even a simple accident may create a dangerous situation that requires survival skills. However, with the correct precautions, outdoor… …   Wikipedia

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