| Abstract | In evaluating the criteria for acceptable indoor noise levels incorporated in New Housing and Airport Noise and Road and Rail Noise Effects on Housing, published by Central Mortgage and Housing Corporation, it is instructive to compare the two documents with each other and with regulations proposed in other countries. Naturally, such comparisons are only approximate because of the variety of noise descriptors used in the various recommendations. A reasonably reliable qualitative comparison is possible, however, through the use of established "rule of thumb" conversions for the various noise scales. To provide a framework for comparison, proposals from the U.S.A. and from Europe are presented, and the criteria in the CMHC documents are discussed in relation to these studies. |
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