Noise is unwanted sound and unnecessary form of energy which is emitted by a vibrating body and on reaching the human ear causes the feeling of hearing through nerves. Classes of Noise Related to Noise Pollution The selected code books on noise pollution by Bureau of Indian Standards (BIS) and noise pollution control are elaborated in Section VI and finally conclusions are covered in section VII. The noise monitoring as well as the hazardous effects of noise pollution and their consequences on human life are covered in section V. The annoying noise level standards and limits are summarized in section IV. Some important noise pollution related technical terms and details are elaborated in section III. The various classes of noise contributing to noise pollution, is covered in section II. The presented article includes the comprehensive study of various aspects of noise pollution. Noise laws and ordinances vary widely across the world. The different countries have rules & regulation bodies against the harmful noise sources, but implementation seems to be indulgent. as well as indoor noise generated by machines (especially in some workplaces), building activities, domestic appliances and music performances etc.
The generation of most of the outdoor/ environmental noise in the world is mainly caused by industrial machines, transportation systems etc. Noise corresponds to undesired sound and any needless disturbance within a useful frequency band. Physically, there is no dissimilarity between sound and noise. Noise sources are also in public buildings and residences. Community noise is chiefly produced by transportation sources, most often airplanes and highway vehicles. Some industrial locations have even louder continuous noise. The objective of the presented paper is to create social awareness among the educated people and spread the knowledgeable information about the noise pollution. Now days the matter of noise pollution is of prime concern. Noise pollution is defined as the distressing noise that may harm the physical/mental activity of human being as well as animal life.
0 kommentar(er)
