A Comparison of the Annoyance Reduction Effect of Different Shielding Types
AbstractIn view of the many expensive measures currently being taken to protect people from noise, the question which arises is whether the methods being used are as effective in reducing the impact of noise on people as they are in reducing the physical sound levels. This question is important since the methods used to date have assumed that physical measures of sound are reliable indicators of the effects of noise on people. The work done for this paper has provided an empirical test of that assumption, in the situation where some kind of barrier or shielding is installed between the highway and the residential area. This aspect is important to consider because transportation agencies are turning increasingly to the construction of barriers and buffers, as a method of reducing transportation noise.
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