British Standards Document
BS EN ISO 3744
Acoustics. Determination of sound power levels of noise sources using sound pressure. Engineering methods for an essentially free field over a reflecting plane

https://doi.org/10.3403/30433780U

BS EN ISO 3744 is maintained by EH/1/4. The current release of this standard is:

BS EN ISO 3744:2026 Acoustics. Determination of sound power levels of noise sources using sound pressure. Engineering methods for an essentially free field over a reflecting plane

https://doi.org/10.3403/30433780 (published 13/03/2026)

This standard is available from the following sources:

Other historical versions of this standard document also exist:

BS EN ISO 3744:2010 [current until 13/03/2026]
BS EN ISO 3744:2009 [current until 31/01/2011]
BS EN ISO 3744:1995 [current until 30/04/2010]