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Recurso libre

Criteria and Limits for Wayside Noise from Trains
May, D. N.; Ministry of Transportation and Communications, 1201 Wilson Avenue, Downsview, Ontario M3M 1J8

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, ,
Enlaces:	There has been comparatively little study of train noise acceptability. This paper reviews state-of-the-art knowledge on the subject, and suggests criteria in terms of Leq.
Fecha:	1976-04-01
Recurso:	Canadian Acoustics

Recurso libre

Sound Propogation Outdoors
Embleton, T. F.W.; Division of Physics, National Research Council Ottawa, Ontario K1A 0S1 - Piercy, J. E.; Division of Physics, National Research Council Ottawa, Ontario K1A 0S1 - Olson, N.; Division of Physics, National Research Council Ottawa, Ontario K1A 0S1

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, ,
Enlaces:	In problems of sound propagation outdoors it is usually assumed that the ground is infinitely hard, and that sound from a point source spreads in the space above the ground according to the inverse square law. At large distances molecular…
Fecha:	1976-04-01
Recurso:	Canadian Acoustics