# ISO 31-7:1992 — Withdrawn and superseded ISO standards For ISO 31-7:1992, item title is Quantities and units — Part 7: Acoustics; status code is 9599; successor is ISO 80000-8:2007 | ISO/CD 80000-8; withdrawn / published date is 1992-08-27, recorded from its source on 2026-08-05. - **Identifier:** ISO 31-7:1992 _(verified: appears in the quote below)_ - **Item title:** Quantities and units — Part 7: Acoustics _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 80000-8:2007 | ISO/CD 80000-8 - **Withdrawn / published date:** 1992-08-27 _(verified: appears in the quote below)_ ## What the source says > 3641,IS,,ISO 31-7:1992,Quantities and units — Part 7: Acoustics,Grandeurs et unités — Partie 7: Acoustique,1992-08-27,2,['01.060'],ISO/TC 12,9599,"[3642,3640]","[40669,31893]","['en','fr']",11,"
Gives name, symbol and definition for 39 quantities and units of acoustics. Where appropriate, conversion factors are also given.
" ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).