International Standard
ISO 23351-2:2026
Acoustics — Measurement of speech level reduction of furniture ensembles and enclosures — Part 2: Field method
Reference number
ISO 23351-2:2026
Edition 1
2026-08
© ISO 2026

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Published (Edition 1, 2026)

ISO 23351-2:2026

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Abstract

This document specifies a method to determine the apparent speech level reduction of furniture ensembles and enclosures (hereinafter referred to as test objects) in field conditions meeting engineering grade of accuracy.

The method is applicable to furniture ensembles or enclosures, which can be used by one or more occupants.

This method is not intended for single components used in workstations, such as a screen, a storage unit, a table, a luminaire, a cupboard, a bookshelf, a standard chair, a wall absorber, or a ceiling absorber.

General information

  • Status
     : Published
    Publication date
     : 2026-08
    Stage
    : International Standard published [60.60]
  • Edition
     : 1
    Number of pages
     : 15
  • Technical Committee :
    ISO/TC 43/SC 2
    ICS :
    91.120.20 
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