NF EN ISO 24551

NF EN ISO 24551

November 2019
Standard Current

Ergonomics - Accessible design - Spoken instructions of consumer products

This document specifies ergonomic requirements and recommendations for consumer product spoken instructions that are provided to guide users in the operation of a product and/or as a means of providing feedback to users about the status/state of a product. Such instructions can be used by persons with or without visual impairments, and are useful for users who have difficulty reading and/or cognitive impairments. The applicability of the requirements and recommendations described in this document does not depend on the language of the instructions or whether the instructions are provided via recorded human speech or synthesized speech from text. The requirements and recommendations in this document are applicable to conventional, stand-alone consumer products in general, whose function is limited by characteristics that prevent a user from attaching, installing or using assistive technology in order to use the product. They are not applicable to machines and equipment used for professional work. This document does not apply to products for which the instructional content and/or the means of presentation are specified in other standards (e.g. medical devices, fire alarms). It also does not provide recommendations or requirements for spoken instructions of Interactive Voice Response (IVR) systems or digital assistants on personal computers or similar devices. NOTE ISO 9241‑154 provides recommendations or requirements for IVR systems. This document does not specify voice sounds of text-to-speech systems or narrative speech used in place of printed instruction manuals and independently from the product.

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Main informations

Collections

National standards and national normative documents

Thematics

Sécurité, Silver économie, Gestion des risques et SST, Accessibilité, QSE

Publication date

November 2019

Number of pages

18 p.

Reference

NF EN ISO 24551

ICS Codes

11.180.30   Aids for blind or partially sighted people
13.180   Ergonomics

Classification index

X35-401-2

Print number

1

International kinship

European kinship

EN ISO 24551:2019
Sumary
Ergonomics - Accessible design - Spoken instructions of consumer products

This document specifies ergonomic requirements and recommendations for consumer product spoken instructions that are provided to guide users in the operation of a product and/or as a means of providing feedback to users about the status/state of a product. Such instructions can be used by persons with or without visual impairments, and are useful for users who have difficulty reading and/or cognitive impairments.

The applicability of the requirements and recommendations described in this document does not depend on the language of the instructions or whether the instructions are provided via recorded human speech or synthesized speech from text.

The requirements and recommendations in this document are applicable to conventional, stand-alone consumer products in general, whose function is limited by characteristics that prevent a user from attaching, installing or using assistive technology in order to use the product. They are not applicable to machines and equipment used for professional work.

This document does not apply to products for which the instructional content and/or the means of presentation are specified in other standards (e.g. medical devices, fire alarms). It also does not provide recommendations or requirements for spoken instructions of Interactive Voice Response (IVR) systems or digital assistants on personal computers or similar devices.

NOTE ISO 9241‑154 provides recommendations or requirements for IVR systems.

This document does not specify voice sounds of text-to-speech systems or narrative speech used in place of printed instruction manuals and independently from the product.

Replaced standards (1)
NF EN ISO 24500
November 2010
Standard Cancelled
Ergonomics - Accessible design - Auditory signals for consumer products

Le présent document spécifie les signaux auditifs qui sont utilisés comme moyen de retour d'information attestant le fonctionnement ou l'état des produits de consommation courante, lorsqu'un utilisateur ayant ou non une déficience visuelle ou auditive se sert d'eux. Il est censé être appliqué à ces produits, de manière appropriée selon leur type et leurs conditions d'utilisation.

Table of contents
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Application des dispositions du présent document
  • 5 Exigences et recommandations générales
  • 6 Spécifications relatives aux instructions orales
  • 7 Informations sur le produit devant figurer dans les instructions orales
  • 8 Évaluation des instructions orales
  • Annexe A Réglage du volume sonore des instructions orales
  • Annexe B Test de validation des instructions orales
  • Bibliographie
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