Ambient noise can vary and become a distraction or annoyance. It can have adverse health effects and is often controlled by noise ordinances. Techniques to reduce noise include soundproofing and using white noise machines. Some industries, like recording, require soundproofed facilities.
Ambient noise is an ever-present background noise. The nature and level of this sound can vary considerably, sometimes becoming a distraction or annoyance. Sound level meters are used to establish ambient noise levels for the purpose of researching it and addressing specific complaints about background noise.
This type of noise can take a variety of forms. For city dwellers, for example, it could include cars, car horns, buildings, trains, planes, and voices. In rural regions, the sounds of farm animals, wildlife, wind in the trees, and tractors might be part of the ambient noise pattern. Controlling this noise is often of interest to people, for a variety of reasons.
In some areas, ambient noise occurs at a very high volume level, becoming intrusive. This is known as noise pollution or ambient noise and can have adverse health effects as well as being obnoxious. Noise pollution is often linked to irregular sleep patterns, irritation, hearing loss, high blood pressure and cardiovascular problems. In noise-challenged communities, audio monitors can be used regularly to check for high-decibel noise, and people can be fined for violating noise ordinances.
Changes in environmental noise patterns may also be of interest or concern. Often, these changes are increases in the noise level. For example, building an airport near a residential community would cause an increase in noise and an increase in complaints about it. Concerns about environmental noise have led many communities to put stringent procedures in place so that potential increases are considered when planning permit applications are being discussed.
A variety of techniques can be used to address noise problems. Trying to reduce noise is one approach, as is constructing buildings with extra insulation to reduce the amount of ambient noise entering homes and businesses. Thick, sound-absorbing walls and carpets can be used to reduce noise transmission and make people more comfortable. People can also use white noise machines to muffle other sounds to help them sleep or work.
Some industries have specific concerns about environmental noise. In the recording industry, soundproofed recording booths are vital in ensuring that background sounds do not interfere with album recording. Some studios even go underground for recording, using the earth as an insulator to keep noise from entering the recording facilities.
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