# ISO 389-7:1996 — Withdrawn and superseded ISO standards

For ISO 389-7:1996, 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of hearing under free-field and diffuse-field listening conditions; status code is 9599; successor is ISO 389-7:2005; withdrawn / published date is 1996-12-26, recorded from its source on 2026-08-05.

- **Identifier:** ISO 389-7:1996 _(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 389-7:2005
- **Withdrawn / published date:** 1996-12-26 _(verified: appears in the quote below)_

## What the source says

> 22800,IS,,ISO 389-7:1996,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,1996-12-26,1,['13.140'],ISO/TC 43,9599,,[38976],"['en','fr']",9,<p>Specifies a reference threshold of hearing for the calibration of audiometric equipment used under definite conditions. The listeners are otologically normal persons in the age from 18 to 25 years inclusive. The data are given in numerical form for the pre

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).