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Noise pollution, or sound pollution, is the propagation of noise or sound with potential harmful effects on humans and animals. The source of outdoor noise worldwide is mainly caused by machines, transport and propagation systems.
North–South Expressway in Malaysia.A roadway can be a line source of air and noise pollution and need not be a straight line.. A line source, as opposed to a point source, area source, or volume source, is a source of air, noise, water contamination or electromagnetic radiation that emanates from a linear (one-dimensional) geometry.
Example of transportation noise and how it affects the community. Environmental noise is an accumulation of noise pollution that occurs outside. This noise can be caused by transport, industrial, and recreational activities. [1] Noise is frequently described as 'unwanted sound'. Within this context, environmental noise is generally present in ...
What you can do to limit your exposure to noise pollution All three experts agree that noise pollution is a problem best addressed at the societal level rather than being up to individuals.
English: An Act to make provision for noise in a street to be a statutory nuisance; to make provision with respect to the operation of loudspeakers in a street; to make provision with respect to audible intruder alarms; to make provision for expenses incurred by local authorities in abating, or preventing the recurrence of, a statutory nuisance to be a charge on the premises to which they ...
Noise measurement can also be part of a test procedure using white noise, or some other specialized form of test signal.In audio systems and broadcasting, specific methods are used to obtain subjectively valid results in order that different devices and signal paths may be compared regardless of the inconsistent spectral distribution and temporal properties of the noise that they generate.
Noise Free America is a national, non-profit organization aimed at reducing noise pollution in the community. The organization's main target is noise from boom cars (vehicles with loud sound systems), leaf blowers, motorcycles, and car alarms. [1] Noise Free America has a 501(c)(3) non-profit status and has chapters in 27 states across the U.S ...
Annoyance effects of noise are minimally affected by demographics, but fear of the noise source and sensitivity to noise both strongly affect the 'annoyance' of a noise. [42] Sound levels as low as 40 dB(A) can generate noise complaints [43] and the lower threshold for noise producing sleep disturbance is 45 dB(A) or lower. [44]