# ISO 3744:1994 — Withdrawn and superseded ISO standards

For ISO 3744:1994, item title is Acoustics — Determination of sound power levels of noise sources using sound pressure — Engineering method in an essentially free field over a reflecting plane; status code is 9599; successor is ISO 3744:2010; withdrawn / published date is 1994-05-05, recorded from its source on 2026-08-05.

- **Identifier:** ISO 3744:1994 _(verified: appears in the quote below)_
- **Item title:** Acoustics — Determination of sound power levels of noise sources using sound pressure — Engineering method in an essentially free field over a reflecting plane _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 3744:2010
- **Withdrawn / published date:** 1994-05-05 _(verified: appears in the quote below)_

## What the source says

> 9240,IS,,ISO 3744:1994,Acoustics — Determination of sound power levels of noise sources using sound pressure — Engineering method in an essentially free field over a reflecting plane,Acoustique — Détermination des niveaux de puissance acoustique émis par les sources de bruit à partir de la pression acoustique — Méthode d'expertise dans des conditions approchant celles du champ libre sur plan réfléchissant,1994-05-05,2,['17.140.01'],ISO/TC 43/SC 1,9599,[9239],[52055],"['en','fr']",31,"<p>Specifies a method of measurement. Gives requirements for the test environment and instrumentation, as well as techniques for obtaining the surface sound pressure level from which the sound power level of the

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).