EN ISO 9921:2003

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Ergonomics - Assessment of speech communication (ISO 9921:2003)

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Published date: 15-10-2003

Publisher: Comite Europeen de Normalisation

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Table of Contents - (Show below) - (Hide below)

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Descriptions of speech communications
  4.1 General
  4.2 Speaker
  4.3 Transmission channel
  4.4 Listener
5 Performance of speech communications
  5.1 General
  5.2 Alert and warning situations
  5.3 Person-to-person communications
  5.4 Public address in public areas
  5.5 Personal communication systems
  5.6 Summary of recommended minimum performance
6 Assessment and prediction
  6.1 General
  6.2 Subjective assessment methods
  6.3 Objective assessment and prediction methods
Annex A (normative) Speaker and listener characteristics
Annex B (informative) Subjective speech-intelligibility
                      tests
Annex C (informative) Speech transmission index, STI
Annex D (informative) Overview of the means of
                      communication and related parameters
Annex E (normative) Speech interference level, SIL
Annex F (informative) Intelligibility ratings for
                      speech communications
Annex G (normative) Definition of symbols
Annex H (informative) Examples of applications of
                      predictive intelligibility methods
Bibliography

Abstract - (Show below) - (Hide below)

ISO 9921:2003 specifies the requirements for the performance of speech communication for verbal alert and danger signals, information messages, and speech communication in general. Methods to predict and to assess the performance in practical applications are described and examples are given.

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Committee	CEN/TC 122
Document Type	Standard
ISBN
Pages
Published
Publisher	Comite Europeen de Normalisation
Status	Current

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Equivalent Standard(s)	Relationship
ISO 9921:2003	Identical
NBN EN ISO 9921 : 2003	Identical
NEN EN ISO 9921 : 2003	Identical
NS EN ISO 9921 : 1ED 2003	Identical
I.S. EN ISO 9921:2003	Identical
PN EN ISO 9921 : 2005	Identical
SN EN ISO 9921 : 2003	Identical
UNI EN ISO 9921 : 2004	Identical
BS EN ISO 9921:2003	Identical
UNE-EN ISO 9921:2004	Identical
DIN EN ISO 9921 E : 2004	Identical
NF EN ISO 9921 : 2004	Identical
DIN EN ISO 9921:2004-02	Identical

Standards Referenced By This Book - (Show below) - (Hide below)

PREN 458 : DRAFT 2013	HEARING PROTECTORS - RECOMMENDATIONS FOR SELECTION, USE, CARE AND MAINTENANCE - GUIDANCE DOCUMENT
BS EN 13861:2011	Safety of machinery. Guidance for the application of ergonomics standards in the design of machinery
06/30156009 DC : DRAFT SEP 2006	BS EN 13921 - PERSONAL PROTECTIVE EQUIPMENT - ERGONOMIC PRINCIPLES
I.S. EN 458:2016	HEARING PROTECTORS - RECOMMENDATIONS FOR SELECTION, USE, CARE AND MAINTENANCE - GUIDANCE DOCUMENT
I.S. EN 13861:2011	SAFETY OF MACHINERY - GUIDANCE FOR THE APPLICATION OF ERGONOMICS STANDARDS IN THE DESIGN OF MACHINERY
VDI 2058 Blatt 3:1999-02	Assessment of noise in the working area with regard to specific operations
VDI/VDE 3850 Blatt 1:2014-04	Development of usable user interfaces for technical plants - Concepts, principles and fundamental recommendations
DIN EN 458:2016-07	HEARING PROTECTORS - RECOMMENDATIONS FOR SELECTION, USE, CARE AND MAINTENANCE - GUIDANCE DOCUMENT
DIN EN 13861:2012-01	Safety of machinery - Guidance for the application of ergonomics standards in the design of machinery
BS EN 458:2016	Hearing protectors. Recommendations for selection, use, care and maintenance. Guidance document
UNI EN 13861 : 2011	SAFETY OF MACHINERY - GUIDANCE FOR THE APPLICATION OF ERGONOMICS STANDARDS IN THE DESIGN OF MACHINERY
BS EN 13921:2007	Personal protective equipment. Ergonomic principles
EN 13861:2011	Safety of machinery - Guidance for the application of ergonomics standards in the design of machinery
EN 13921:2007	Personal protective equipment - Ergonomic principles
EN 458:2016	Hearing protectors - Recommendations for selection, use, care and maintenance - Guidance document
13/30278698 DC : 0	BS EN 458 - HEARING PROTECTORS - RECOMMENDATIONS FOR SELECTION, USE, CARE AND MAINTENANCE - GUIDANCE DOCUMENT
DIN EN 13921:2007-08	Personal protective equipment - Ergonomic principles

Standards Referencing This Book - (Show below) - (Hide below)

IEC 60849:1998	Sound systems for emergency purposes
BS 7827:1996	Code of practice for designing, specifying, maintaining and operating emergency sound systems at sports venues
ISO/TR 4870:1991	Acoustics The construction and calibration of speech intelligibility tests
ISO 7731:2003	Ergonomics Danger signals for public and work areas Auditory danger signals
ISO 11429:1996	Ergonomics System of auditory and visual danger and information signals
IEC 60268-16:2011	Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index

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