Technical Report


What is sound level meter?


10. Methods for measuring equivalent continuous A-weighted sound pressure level

10-1 Overview of JIS Z 8731:2019

This standard was also revised in 1983, 1999 and 2019, based on ISO 1996-1 2016 and ISO 1996-2 2017.

The table of content is as follows.
Please refer to the standard document for the content of the standard.

4 Measurement
4.1 General
4.2 Measuring instruments
4.3 Measurement position
4.4 Meteorological conditions
4.5 Measurement of stationary noise
4.6 Measurement of maximum A-weighted sound pressure level
4.7 Measurement of N percentage exceedance A-weighted sound pressure level
4.8 Calculation of single event A-weighted sound exposure level
4.9 Calculation of equivalent continuous A-weighted sound pressure level

5 Information to be recorded
Annex JA (informative) Frequency weighting of sound level meter
Annex JB (informative) Time weighting of sound level meter
Annex JC (informative) Environmental noise measurement for general areas
Annex JD (informative) Environmental noise measurement for areas facing roads
Annex JE (informative) Measurement of aircraft noise
Annex JF (informative) Measurement of bullet train nois
Annex JG (informative) Measurement of noise produced by conventional railways
Annex JH (informative) Measurement of wind turbine noise
Annex JI (informative) Measurement of noise produced by specified factories etc.
Annex JJ (informative) Measurement of noise produced by specified construction works
Annex JK (informative) Comparison table between JIS and corresponding International Standards
Annex JL (informative) Comparison table between previous and current editions of this Standard on technically significant revisions

The above JC to JJ are added as a reference for quick understanding of manuals, regulations, etc. published by the Ministry of the Environment.

 

 

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