Controlling noise pollution on the masses10/30/2023 The noises from cracks in a refrigerator, fan and air conditioner affects evenly as a loud noise of train or aircraft because of its continuity. Some noise types like aircraft and train noise also has the negative effects on property prices. All types of noise altogether affect the same irrespective of the sources and cause headache to the high blood pressure and other heart diseases. Noise is a common problem in urban areas as compared to the villages because of the mechanization and more vehicles on the road. Noise affects people so badly that at some places policy makers were compelled to said that there should be restrictions on noisy vehicles for reducing noise pollution as in New Delhi, India and Guangzhou district, China. All above mentioned types of noise are dangerous to human and animals if their limits are exceeded. Noise has different types including impulsive noise, continuous noise, intermittent noise and low frequency noise. A vehicular noise is the resultant of the vibrating body of the vehicle plus its engine operating sound. A sound is termed as noise when it becomes continuous and above the threshold limits of the ears.
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