Full Description JIS Z 8731:2019 defines the basic quantities to be used for the description of environmental noise and describes basic assessment procedures.
JIS Z 8731:2019 history
2019JIS Z 8731:2019 Acoustics -- Description and measurement of environmental noise
1999JIS Z 8731:1999 Acoustics -- Description and measurement of environmental noise
1983JIS Z 8731:1983 Methods of measurement and description of A-weighted sound pressure level