Archives of Acoustics, 15, 1-2, pp. 201-209, 1990

A new attempt at the estimation for the noise level probability distribution based on specific L_x noise evaluation indices

M. OHTA
Faculty of Engineering, Hiroshima University Shitami
Japan

Y. MITANI
Faculty of Engineering, Hiroshima University Shitami
Japan

In this paper, a new attempt at the estimation for the noise level probability distribution is proposed based on the known values of several specific L_x noise evaluation indices. Here, the effect of the restricted amplitude fluctuation range matched to the actual stochastic phenomenon on the estimation accuracy is reasonably taken into consideration. The effectiveness of the proposed method is experimentally confirmed by applying it to the
actually measured road traffic noise data.
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References

U.S. EPA, Information on levels of environmental noise requisite to protect public health and welfare with an adequate margin of safety; Appendix A, 550/9-74-004 (1974).

M. BURGESs, Relationship between L_10 and Leq for noise from traffic, Australian Road Research 8, 15-18 (1978).

N. ORSON, Survey of motor vehicle noise, J. Acoust. Soc. Amer. 52, 1291-1306 (1972).

C. G. DON and I. G. REES, Road traffic sound level distributions, J. Sound Vib. 100, 41-53 (1985).