Ergonomics. Assessment of speech communication

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

29-09-2005

Publisher

British Standards Institution

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

Specifies the requirements for the performance of speech communication for verbal alert and danger signals, information messages, and speech communication in general.

Committee	PH/9
DevelopmentNote	Supersedes 01/564713 DC. (01/2004) Supersedes BS ISO 9921-1. (12/2005)
DocumentType	Standard
Pages	40
PublisherName	British Standards Institution
Status	Current
Supersedes	BS ISO 9921-1:1996 01/564713 DC : DRAFT DEC 2001

Standards	Relationship
UNI EN ISO 9921 : 2004	Identical
NEN EN ISO 9921 : 2003	Identical
NS EN ISO 9921 : 1ED 2003	Identical
SN EN ISO 9921 : 2003	Identical
UNE-EN ISO 9921:2004	Identical
NF EN ISO 9921 : 2004	Identical
I.S. EN ISO 9921:2003	Identical
NBN EN ISO 9921 : 2003	Identical
EN ISO 9921:2003	Identical
ISO 9921:2003	Identical
DIN EN ISO 9921 E : 2004	Identical
DIN EN ISO 9921:2004-02	Identical

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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BS EN ISO 9921:2003

Current

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