Active standard | Published: 11/08/2026

ISO 23351-2:2026

Acoustics — Measurement of speech level reduction of furniture ensembles and enclosures — Part 2: Field method
(Acoustique — Mesurage de la réduction du niveau de parole des ensembles de meubles et des enceintes — Partie 2: Méthode de terrain)

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 23351-2:2026

Publication date: 11/08/2026

Pages: 15

Country: International technical standard

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Anotation

Description / 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.

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