Road vehicles - Ergonomic aspects of transport information and control systems - Specifications for in-vehicle auditory presentation (ISO 15006:2011)

This International Standard establishes ergonomic specifications for the presentation of auditory information related to transport information and control systems (TICS) through speech or sounds. It applies primarily to the use of auditory displays to the driver when the vehicle is in motion, but it may also be applied when the vehicle is stationary. It presents a set of requirements and recommendations for in-vehicle auditory signals from TICS, and provides characteristics and functional factors for maximizing auditory signal intelligibility and utility while helping prevent auditory or mental overload.

Straßenfahrzeuge - Ergonomische Aspekte von Verkehrsinformations- und Assistenzsystemen - Anforderungen und Konformitätsverfahren für die Ausgabe auditiver Informationen im Fahrzeug (ISO 15006:2011)

Diese internationale Norm legt ergonomische Spezifikationen für die Ausgabe auditiver Informationen mittels
Sprache oder Ton in Bezug auf Verkehrsinformations- und –assistenzsysteme fest. Sie gilt ausschließlich für
die auditive Darstellung von Informationen während des Fahrvorgangs aber könnte auch angewendet werden,
wenn das Fahrzeug steht. Diese Norm definiert eine Reihe von Anforderungen und Empfehlungen für auditive
Meldungen, die über Verkehrsinformations- und –assistenzsysteme in Fahrzeugen ausgegeben werden. Sie
nennt Eigenschaften der Meldungen sowie funktionale Faktoren um die Verständlichkeit und den Nutzen der
Meldungen zu maximieren und eine auditive oder mentale Überbelastung zu vermeiden.

Véhicules routiers - Aspects ergonomiques des systèmes de commande et d'information du transport - Spécifications concernant la présentation des informations auditives à bord du véhicule (ISO 15006:2011)

L'ISO 15006:2011 établit des spécifications ergonomiques concernant la présentation des informations auditives relatives aux systèmes de commande et d'information du transport (TICS) par le biais de la voix ou de sons. Elle s'applique essentiellement à l'utilisation d'émetteurs auditifs pour le conducteur quand le véhicule est en mouvement, mais elle peut être aussi appliquée lorsque le véhicule est à l'arrêt. Elle présente une série d'exigences et de recommandations applicables à des signaux auditifs à l'intérieur du véhicule en provenance des TICS, et fournit des caractéristiques et des facteurs fonctionnels pour maximiser l'intelligibilité et l'utilité du signal auditif et pour contribuer à empêcher une surcharge auditive ou mentale.

Cestna vozila - Ergonomski vidiki transportnih informacij in kontrolnih sistemov - Specifikacije za zvočno predstavitev v vozilu (ISO 15006:2011)

Ta mednarodni standard vzpostavlja ergonomske specifikacije za predstavitev zvočnih informacij, povezanih s transportnimi informacijami in kontrolnimi sistemi (TICS), prek govora ali zvoka. Velja predvsem za uporabo zvočnega prikaza za voznika, kadar je vozilo v gibanju, vendar lahko prav tako velja, kadar je vozilo v mirovanju. Predstavlja set zahtev in priporočil za zvočne signale iz TICS v vozilu in podaja značilnosti in funkcionalne dejavnike za maksimiziranje razumljivosti in uporabnosti zvočnih signalov, medtem ko preprečuje zvočno ali mentalno preobremenjenost.

General Information

Status
Published
Publication Date
30-Sep-2011
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Due Date
12-Mar-2012

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SLOVENSKI STANDARD
SIST EN ISO 15006:2011
01-november-2011
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Véhicules routiers - Aspects ergonomiques des systèmes de commande et d'information

du transport - Spécifications et modes opératoires de conformité concernant la
présentation des informations auditives à bord du véhicule (ISO 15006:2011)
Ta slovenski standard je istoveten z: EN ISO 15006:2011
ICS:
13.180 Ergonomija Ergonomics
35.240.60 Uporabniške rešitve IT v IT applications in transport
transportu in trgovini and trade
43.040.15 $YWRPRELOVNDLQIRUPDWLND Car informatics. On board
9JUDMHQLUDþXQDOQLãNLVLVWHPL computer systems
SIST EN ISO 15006:2011 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 15006:2011
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SIST EN ISO 15006:2011
EUROPEAN STANDARD
EN ISO 15006
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2011
ICS 13.180; 43.040.15; 35.240.60 Supersedes EN ISO 15006:2004
English Version
Road vehicles - Ergonomic aspects of transport information and
control systems - Specifications for in-vehicle auditory
presentation (ISO 15006:2011)

Véhicules routiers - Aspects ergonomiques des systèmes Straßenfahrzeuge - Ergonomische Aspekte von

de commande et d'information du transport - Spécifications Verkehrsinformations- und Assistenzsystemen -

concernant la présentation des informations auditives à Anforderungen und Konformitätsverfahren für die Ausgabe

bord du véhicule (ISO 15006:2011) auditiver Informationen im Fahrzeug (ISO 15006:2011)

This European Standard was approved by CEN on 30 September 2011.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European

Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national

standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation

under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same

status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,

Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2011 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 15006:2011: E

worldwide for CEN national Members.
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SIST EN ISO 15006:2011
EN ISO 15006:2011 (E)
Contents Page

Foreword ..............................................................................................................................................................3

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SIST EN ISO 15006:2011
EN ISO 15006:2011 (E)
Foreword

This document (EN ISO 15006:2011) has been prepared by Technical Committee ISO/TC 22 "Road vehicles"

in collaboration with Technical Committee CEN/TC 278 “Road transport and traffic telematics” the secretariat

of which is held by NEN.

This European Standard shall be given the status of a national standard, either by publication of an identical

text or by endorsement, at the latest by April 2012, and conflicting national standards shall be withdrawn at the

latest by April 2012.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent

rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN ISO 15006:2004.

According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following

countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech

Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,

Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,

Sweden, Switzerland and the United Kingdom.
Endorsement notice

The text of ISO 15006:2011 has been approved by CEN as a EN ISO 15006:2011 without any modification.

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SIST EN ISO 15006:2011
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SIST EN ISO 15006:2011
INTERNATIONAL ISO
STANDARD 15006
Second edition
2011.10.01
Road vehicles — Ergonomic aspects
of transport information and control
systems — Specifications for in-vehicle
auditory presentation
Véhicules routiers — Aspects ergonomiques des systèmes de
commande et d’information du transport — Spécifications concernant la
présentation des informations auditives à bord du véhicule
Reference number
ISO 15006:2011(E)
ISO 2011
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SIST EN ISO 15006:2011
ISO 15006:2011(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2011

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,

electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO’s

member body in the country of the requester.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2011 – All rights reserved
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SIST EN ISO 15006:2011
ISO 15006:2011(E)
Contents Page

Foreword ............................................................................................................................................................................. v

Introduction .......................................................................................................................................................................vi

1 Scope ...................................................................................................................................................................... 1

2 Normative references ......................................................................................................................................... 1

3 Terms and definitions ......................................................................................................................................... 1

4 Signal specifications .......................................................................................................................................... 3

4.1 Spectrum ............................................................................................................................................................... 3

4.2 Signal levels .......................................................................................................................................................... 4

5 Coding of information ........................................................................................................................................ 5

5.1 General ................................................................................................................................................................... 5

5.2 Temporal classification of auditory signals ................................................................................................. 5

5.3 Non-speech coding — Tonal signals ............................................................................................................. 6

5.4 Speech coding ..................................................................................................................................................... 6

6 Prioritization of auditory signals ..................................................................................................................... 7

7 Safety warning auditory signals ...................................................................................................................... 7

7.1 Redundancy .......................................................................................................................................................... 7

7.2 Compliance ........................................................................................................................................................... 8

Annex A (normative) Masked specific loudness SNR procedure .......................................................................... 9

Annex B (informative) Converting between SPL and specific loudness ...........................................................13

Bibliography .....................................................................................................................................................................14

© ISO 2011 – All rights reserved iii
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SIST EN ISO 15006:2011
ISO 15006:2011(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies

(ISO member bodies). The work of preparing International Standards is normally carried out through ISO

technical committees. Each member body interested in a subject for which a technical committee has been

established has the right to be represented on that committee. International organizations, governmental and

non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International

Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.

International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.

The main task of technical committees is to prepare International Standards. Draft International Standards

adopted by the technical committees are circulated to the member bodies for voting. Publication as an

International Standard requires approval by at least 75 % of the member bodies casting a vote.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent

rights. ISO shall not be held responsible for identifying any or all such patent rights.

ISO 15006 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 13, Ergonomics

applicable to road vehicles.

This second edition cancels and replaces the first edition (ISO 15006:2004), which has been technically revised.

iv © ISO 2011 – All rights reserved
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SIST EN ISO 15006:2011
ISO 15006:2011(E)
Introduction

The driver and the vehicle are an integrated system that includes the environment, the primary vehicle controls,

the instrumentation, and the transport information and control systems (TICS). The driving task, and human

capabilities and limitations, are other primary factors. TICS are intended to support the driver’s primary task,

and therefore it is expected that the overall workload of the driver will not be negatively influenced, while

performance and comfort should be increased.

The multitude of information to be displayed to the driver through TICS may create the need to minimize visual

load and make more and better use of the auditory channel. This International Standard provides ergonomic

specifications for the design and installation of auditory displays presenting speech and tonal information while

driving. The aim of these specifications is to help designers to provide auditory signals which meet usability,

comfort and safety criteria.
© ISO 2011 – All rights reserved v
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SIST EN ISO 15006:2011
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SIST EN ISO 15006:2011
INTERNATIONAL STANDARD ISO 15006:2011(E)
Road vehicles — Ergonomic aspects of transport information
and control systems — Specifications for in-vehicle auditory
presentation
1 Scope

This International Standard establishes ergonomic specifications for the presentation of auditory information

related to transport information and control systems (TICS) through speech or sounds. It applies primarily to

the use of auditory displays to the driver when the vehicle is in motion, but it may also be applied when the

vehicle is stationary. It presents a set of requirements and recommendations for in-vehicle auditory signals

from TICS, and provides characteristics and functional factors for maximizing auditory signal intelligibility and

utility while helping prevent auditory or mental overload.
2 Normative references

The following referenced documents are indispensable for the application of this document. For dated

references, only the edition cited applies. For undated references, the latest edition of the referenced document

(including any amendments) applies.
ISO 532, Acoustics — Method for calculating loudness level
ISO 5128:1980, Acoustics — Measurement of noise inside motor vehicles

ISO/TS 16951, Road vehicles — Ergonomic aspects of transport information and control systems (TICS) —

Procedures for determining priority of on-board messages presented to drivers
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
ambient auditory noise

auditory sensory stimulus bearing no informational relationship to the presence or completion on the immediate task

that surrounds the driver in the vehicle’s environment, including sound emanating from inside and outside the vehicle

3.2
audibility
degree to which an auditory signal can be heard by a person with normal hearing
3.3
auditory icon
auditory signal that represents an event or action

NOTE This auditory signal can be a synthesized sound that gives the impression of specific event or a recorded

sound from everyday life.
3.4
auditory signal

tone or verbal cues emitted by an in-vehicle device, which provide information to the driver or passengers

1) The German standard DIN 45631 is largely identical to ISO 532. In practice, references for calculating loudness

[8]
according to ISO 532 usually implement the code given in DIN 45631 .
© ISO 2011 – All rights reserved 1
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SIST EN ISO 15006:2011
ISO 15006:2011(E)
3.5
broadband signal

complex sound whose acoustical energy is distributed over a wide range of frequencies

3.6
comprehensibility

characteristic of an auditory signal that enables the driver to understand its meaning in the context in which

it is provided
3.7
diffuse field

sound field in which the sound pressure level is the same everywhere and the flow of energy is equally probable

in all directions
3.8
distinguishability

characteristic of an auditory signal enabling the driver to perceive the differences between it and other audible

signals within the driving environment

NOTE Other audible signals include warning signals and signal noise, but exclude ambient noise.

3.9
free field
sound field with no reflective surfaces over the frequency range of interest
3.10
loudness

sensation (perception) that is most closely related to the sound amplitude of an acoustical stimulus

NOTE In this International Standard, loudness is expressed in units of sones.
3.11
main audible component
tonal component with the most energy in the auditory signal
3.12
narrowband signal
sound whose acoustical energy is distributed over a narrow range of frequencies
3.13
narrowband spectrum
spectrum with a frequency resolution of 10 Hz or less
3.14
safety criticality

severity of the likely event that can occur if the driver is unable to avoid a specific hazard

NOTE Four levels of criticality, based on occupant (or other road user) injury and vehicle damage, are defined by

ISO/TS 16951.
3.15
safety warning

auditory signal that is intended to prevent or mitigate injuries or vehicle damage

NOTE Navigation and route guidance instructions are not safety warnings even though they might also require the

driver to take an action within a short time period.
3.16
signal-to-noise ratio
SNR
ratio of signal specific loudness spectrum to noise specific loudness spectrum
2 © ISO 2011 – All rights reserved
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SIST EN ISO 15006:2011
ISO 15006:2011(E)
3.17
sone

subjective unit of loudness, as perceived by a person with normal hearing, equal to the loudness of a 1 000 Hz

pure tone presented frontally with a sound pressure level of 40 dB, re 20 µPa.

NOTE 1 When measured in a free field, this definition for sone is sometimes designated as sone GF. For a diffuse

(rather than free) field, the designation is sone GD. A vehicle interior may be characterized as free field or diffuse field

depending on the location (e.g. instrument cluster, audio system speakers, turbulent noise on the windshield) and type of

sound (e.g. chime, road noise, and wind noise).

NOTE 2 The loudness of a sound that is judged by a listener to be n times that of a 1-sone tone is n sones.

3.18
sound pressure level
SPL
local pressure deviation from the ambient pressure caused by a sound
3.19
specific loudness spectrum
distribution of loudness over the frequency axis
3.20
time-critical signal

auditory signal that requires a driver response to an imminent event measurable within a limited number of seconds

NOTE The signal may or may not pertain to a warning event.
3.21
tonal signal
simple sound or mixture of simple sounds with fixed frequency content

NOTE 1 A simple sound is a sinusoidal signal with fixed or single frequency content.

NOTE 2 A tonal signal can be a continuous sound or intermittent sound.
3.22
unit of information

individual or group of auditory signals regarded as a structural or functional constituent of a message

4 Signal specifications
4.1 Spectrum
4.1.1 General

The recommended frequency range for in-vehicle auditory signals is 200 Hz to 8 000 Hz.

4.1.2 Tonal signals

For tonal signals, the main audible component should lie between 400 Hz and 2 000 Hz to protect against

[22]
decreased audibility due to age-related hearing loss .

A broadband signal or a mix of narrowband signals with distinctly separated centre frequencies should be used

to improve the signal location detection and driver attention direction.

EXAMPLE A mix of two narrowband signals, with the main audible component centred around 800 Hz, and the other

component centred around 3 000 Hz.
The urgency of a situation should be reflected by the character of the signal.
© ISO 2011 – All rights reserved 3
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SIST EN ISO 15006:2011
ISO 15006:2011(E)
4.2 Signal levels
4.2.1 General

The selection of optimal sound amplitude is a matter of balancing listener comfort against signal audibility. The

latter is primarily a function of the signal-to-noise ratio (SNR) between the auditory signal and the ambient

auditory noise. It should be kept in mind that loudness depends on the level of the ambient auditory noise and

on the level of the auditory signal within a given frequency band. Therefore, loudness at a given SNR increases

with rising ambient auditory noise.
4.2.2 Measuring sound loudness

The method for measuring and evaluating the loudness of auditory signals shall be as described in Annex A.

[7]
Specific details of the method are given in DIN 45631 .

This International Standard deals only with the loudness of stationary auditory signals, not tran

...

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