# ISO 389-7:2005 — Withdrawn and superseded ISO standards

For ISO 389-7:2005, item title is Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions; status code is 9599; successor is ISO/PWI 389-7 | ISO 389-7:2019; withdrawn / published date is 2005-11-03, recorded from its source on 2026-08-05.

- **Identifier:** ISO 389-7:2005 _(verified: appears in the quote below)_
- **Item title:** Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/PWI 389-7 | ISO 389-7:2019
- **Withdrawn / published date:** 2005-11-03 _(verified: appears in the quote below)_

## What the source says

> 38976,IS,,ISO 389-7:2005,Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions,Acoustique — Zéro de référence pour l'étalonnage d'équipements audiométriques — Partie 7: Niveau liminaire de référence dans des conditions d'écoute en champ libre et en champ diffus,2005-11-03,2,['13.140'],ISO/TC 43,9599,[22800],"[56053,77365]","['en','fr']",10,"<p>ISO 389-7:2005 specifies a reference threshold of hearing for the calibration of audiometric equipment used under the following conditions. </p><ol><li>The sound field in the absence of the listener consists of either a free progressive pl

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).