KS I ISO 3745:2016 Acoustics-Determination of sound power levels and sound energy levels of noise sources using sound pressure-Precision methods for anechoic rooms and hemi-anechoic rooms
2022KS I ISO 3745:2022 Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure —Precision methods for anechoic rooms and hemi-anechoic rooms
2016KS I ISO 3745:2016 Acoustics-Determination of sound power levels and sound energy levels of noise sources using sound pressure-Precision methods for anechoic rooms and hemi-anechoic rooms
2012KS I ISO 3745:2012 Acoustics-Determination of sound power levels and sound energy levels of noise sources using sound pressure-Precision methods for anechoic rooms and hemi-anechoic rooms