IEC 63005-1:2017

Event video data recorder for road vehicle accidents - Part 1: Basic requirements

IEC 63005-1:2017 describes basic requirements for event video data recorders (EVDRs) for road vehicle accidents, used for identifying and analysing causes of accidents based on video from a front-mounted camera and other information obtained before and after such events. In addition to video from a front-mounted camera and vehicle behaviour, these products can record side and/or rear video data for enhanced functionalities in determining causes of accidents and analysing collision events.

Enregistreurs de données vidéo pour l'identification et l'analyse des causes des accidents des véhicules routiers - Partie 1: Exigences de base

L'IEC 63005-1:2017 décrit les exigences de base applicables aux enregistreurs de données vidéo d'événement (EVDR) utilisés pour l'identification et l'analyse des causes des accidents des véhicules routiers à partir de vidéos enregistrées par une caméra frontale et d'autres informations obtenues avant et après de tels événements. En plus des vidéos enregistrées par la caméra frontale et du comportement du véhicule, ces produits peuvent enregistrer des données vidéo à partir de caméras latérales et/ou arrière qui permettent d'améliorer les fonctionnalités relatives à la détermination des causes des accidents et à l'analyse des événements qui impliquent une collision.

General Information

• Status: Published
• Publication Date: 08-Aug-2017
• ICS: 01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
• ICS: 29.240.20 - Power transmission and distribution lines
• ICS: 33.160.40 - Video systems
• ICS: 33.200 - Telecontrol. Telemetering
• ICS: 43.040.15 - Car informatics. On board computer systems
• Technical Committee: TA 17 - Multimedia systems and equipment for vehicles
• Current Stage: PPUB - Publication issued
• Start Date: 09-Aug-2017
• Completion Date: 09-Aug-2017

Standards Content (Sample)

IEC 63005-1
®

Edition 1.0 2017-08
INTERNATIONAL
STANDARD

colour
inside


Event video data recorder for road vehicle accidents –
Part 1: Basic requirements
IEC 63005-1:2017-08(en)

---------------------- Page: 1 ----------------------
THIS PUBLICATION IS COPYRIGHT PROTECTED
Copyright © 2017 IEC, Geneva, Switzerland

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 IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.


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3, rue de Varembé Fax: [phone]
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Switzerland www.iec.ch

About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.

About IEC publications
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latest edition, a corrigenda or an amendment might have been published.

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---------------------- Page: 2 ----------------------
IEC 63005-1

®


Edition 1.0 2017-08




INTERNATIONAL



STANDARD








colour

inside










Event video data recorder for road vehicle accidents –

Part 1: Basic requirements


























INTERNATIONAL

ELECTROTECHNICAL


COMMISSION





ICS 33.160.40; 43.040.15 ISBN 978-2-8322-4626-9



  Warning! Make sure that you obtained this publication from an authorized distributor.


® Registered trademark of the International Electrotechnical Commission

---------------------- Page: 3 ----------------------
– 2 – IEC 63005-1:2017 © IEC 2017
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 Abbreviated terms and symbols . 8
5 Types of EVDR . 9
5.1 Classification by security level . 9
5.2 Classification by interoperability of functions . 9
6 Functional requirements . 10
6.1 Basic functions of the EVDR for road vehicle accidents . 10
6.2 Types of event data . 10
6.2.1 General . 10
6.2.2 Mandatory event data . 11
6.2.3 Optional event data . 12
6.3 Power supply unit and electrical safety . 13
6.3.1 Main power . 13
6.3.2 Fuse . 13
6.3.3 Protection from power failure . 13
7 General requirements . 13
7.1 Performance for storing acceleration . 13
7.2 Physical structure . 13
7.2.1 General . 13
7.2.2 Input interface . 14
7.3 Video camera performance . 14
7.3.1 Basic camera performance . 14
7.3.2 Camera FOV . 14
7.3.3 Vehicle registration plate detection performance . 14
7.4 Data storage and security . 14
7.5 Environmental reliability tests . 14
7.5.1 General . 14
7.5.2 Low-temperature operation test . 14
7.5.3 Operation at high-temperature . 14
7.5.4 High temperature storage test. 15
7.5.5 Vibration test . 15
7.5.6 Mechanical shock test . 15
Annex A (informative) Test setup for horizontal and vertical FOV . 16
Annex B (informative) Assignment of product identification number . 17
Annex C (normative) Registration plate identification of the camera . 18
Bibliography . 19

Figure 1 – Standard coordinate system of a vehicle equipped with the EVDR (body
fixed coordinates) . 9
Figure 2 – Basic functions of the EVDR for road vehicle accidents . 10
Figure A.1 – Test setup for horizontal and vertical FOV (front view) . 16

---------------------- Page: 4 ----------------------
IEC 63005-1:2017 © IEC 2017 – 3 –
Figure A.2 – Test setup for horizontal and vertical FOV (plan view) . 16
Figure C.1 – License plate identification test using the ISO 12233 resolution chart . 18
Figure C.2 – ISO 12233 resolution chart . 18

Table 1 – Types of event data . 11
Table 2 – Mandatory event data items . 11
Table 3 – Optional event data items . 12
Table 4 – Operating voltage of EVDR under test . 13
Table 5 – Vibration condition . 15
Table 6 – Shock condition . 15
Table B.1 – Assignment of product identification number . 17

---------------------- Page: 5 ----------------------
– 4 – IEC 63005-1:2017 © IEC 2017
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

EVENT VIDEO DATA RECORDER FOR ROAD VEHICLE ACCIDENTS –

Part 1: Basic requirements

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 63005-1 has been prepared by technical area 17: Multimedia
systems and equipment for cars, of IEC technical committee 100: Audio, video and multimedia
systems and equipment.
The text of this International Standard is based on the following documents:
CDV Report on voting
100/2839/CDV 100/2947/RVC

Full information on the voting for the approval of this International Standard can be found in
the report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.

---------------------- Page: 6 ----------------------
IEC 63005-1:2017 © IEC 2017 – 5 –
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

A bilingual version of this publication may be issued at a later date.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.

---------------------- Page: 7 ----------------------
– 6 – IEC 63005-1:2017 © IEC 2017
INTRODUCTION
There is a distinction between event video data recorder (EVDR) systems and digital
tachographs (DTG, ISO 16844-7), which record vehicle dynamics and the driver’s activities
during the entire driving period. There is also a distinction between EVDR systems and event
data recorders (EDR, IEEE 1616), which record vehicle dynamics and the driver’s activities
before, during and after the event. DTGs and EDRs both have direct connections to the
vehicle's internal signal line, such as in-vehicle network (IVN) or analogue signal line,
whereas direct connection is not required for EVDRs.
EVDR systems are prohibited from serving purposes other than the aforementioned. They
cannot be placed in unapproved areas and/or not record sound.

---------------------- Page: 8 ----------------------
IEC 63005-1:2017 © IEC 2017 – 7 –
EVENT VIDEO DATA RECORDER FOR ROAD VEHICLE ACCIDENTS –

Part 1: Basic requirements



1 Scope
This part of IEC 63005 describes basic requirements for event video data recorders (EVDRs)
for road vehicle accidents, used for identifying and analysing causes of accidents based on
video from a front-mounted camera and other information obtained before and after such
events. In addition to video from a front-mounted camera and vehicle behaviour, these
products can record side and/or rear video data for enhanced functionalities in determining
causes of accidents and analysing collision events.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their
content constitutes requirements 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.
IEC 60068-2-1:2007, Environmental testing – Part 2-1: Tests – Test A: Cold
IEC 60068-2-6, Environmental testing – Part 2-6: Tests – Test Fc: Vibration (sinusoidal)
IEC 60068-2-27:2010, Environmental testing – Part 2-27: Tests – Test Ea and guidance:
Shock
ISO 12233, Photography – Electronic still picture imaging — Resolution and spatial frequency
responses
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1
EVDR for road vehicle accidents
system that stores vehicle video data of the accident on an electronic recording medium
before, during, and after collision accident events with other vehicles, with passers-by and
with any other objects
3.2
event data
information recorded by the EVDR to facilitate analysis of accident scenarios in the case of
collision accident events with other vehicles, pedestrians or objects
Note 1 to entry: The term refers to all videos and additional information before, during, and after collision.

---------------------- Page: 9 ----------------------
– 8 – IEC 63005-1:2017 © IEC 2017
3.3
video input information
video data before, during, and after collision that contains video data from the front camera
3.4
vehicle dynamics data
information on a vehicle’s dynamic behaviour such as acceleration, angular velocity, and
physical quantities related to collision
3.5
integrity verification value
information used to detect doctoring and/or deletion of event data
3.6
DTG for road vehicles
digital tachograph for road vehicles
device that adheres to guidelines on driving records and devices defined in ISO 16844-7
3.7
EDR for road vehicles
event data recorder for road vehicles
system that adheres to IEEE 1616
3.8
interlinked video data recording system for road vehicle accidents
EVDR system interlinked to the DTG or EDR
3.9
independent EVDR for road vehicle accidents
EVDR that operates independently from a DTG or EDR
4 Abbreviated terms and symbols
For vehicle orientation related symbols, see Figure 1.

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IEC 63005-1:2017 © IEC 2017 – 9 –
DTG digital tachograph
EDR event data recorder
EVDR event video data recorder
FOV field of view
fps frames per second
g gravitational acceleration
GPS Global Positioning System
GNSS global
...

IEC 63005-1
®

Edition 1.0 2017-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside


Event video data recorder for road vehicle accidents –
Part 1: Basic requirements

Enregistreurs de données vidéo pour l'identification et l'analyse des causes des
accidents des véhicules routiers –
Partie 1: Exigences de base

IEC 63005-1:2017-08(en-fr)

---------------------- Page: 1 ----------------------
THIS PUBLICATION IS COPYRIGHT PROTECTED
Copyright © 2017 IEC, Geneva, Switzerland

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International Standards for all electrical, electronic and related technologies.

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---------------------- Page: 2 ----------------------
IEC 63005-1

®


Edition 1.0 2017-08




INTERNATIONAL



STANDARD




NORME


INTERNATIONALE
colour

inside










Event video data recorder for road vehicle accidents –

Part 1: Basic requirements



Enregistreurs de données vidéo pour l'identification et l'analyse des causes des

accidents des véhicules routiers –

Partie 1: Exigences de base















INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE


INTERNATIONALE




ICS 33.160.40; 43.040.15 ISBN 978-2-8322-9262-4




Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

---------------------- Page: 3 ----------------------
– 2 – IEC 63005-1:2017 © IEC 2017
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 Abbreviated terms and symbols . 8
5 Types of EVDR . 9
5.1 Classification by security level . 9
5.2 Classification by interoperability of functions . 9
6 Functional requirements . 10
6.1 Basic functions of the EVDR for road vehicle accidents . 10
6.2 Types of event data . 10
6.2.1 General . 10
6.2.2 Mandatory event data . 11
6.2.3 Optional event data . 12
6.3 Power supply unit and electrical safety . 13
6.3.1 Main power . 13
6.3.2 Fuse . 13
6.3.3 Protection from power failure . 13
7 General requirements . 13
7.1 Performance for storing acceleration . 13
7.2 Physical structure . 13
7.2.1 General . 13
7.2.2 Input interface . 14
7.3 Video camera performance . 14
7.3.1 Basic camera performance . 14
7.3.2 Camera FOV . 14
7.3.3 Vehicle registration plate detection performance . 14
7.4 Data storage and security . 14
7.5 Environmental reliability tests . 14
7.5.1 General . 14
7.5.2 Low-temperature operation test . 14
7.5.3 Operation at high-temperature . 14
7.5.4 High temperature storage test. 15
7.5.5 Vibration test . 15
7.5.6 Mechanical shock test . 15
Annex A (informative) Test setup for horizontal and vertical FOV . 16
Annex B (informative) Assignment of product identification number . 17
Annex C (normative) Registration plate identification of the camera . 18
Bibliography . 19

Figure 1 – Standard coordinate system of a vehicle equipped with the EVDR (body
fixed coordinates) . 9
Figure 2 – Basic functions of the EVDR for road vehicle accidents . 10
Figure A.1 – Test setup for horizontal and vertical FOV (front view) . 16

---------------------- Page: 4 ----------------------
IEC 63005-1:2017 © IEC 2017 – 3 –
Figure A.2 – Test setup for horizontal and vertical FOV (plan view) . 16
Figure C.1 – License plate identification test using the ISO 12233 resolution chart . 18
Figure C.2 – ISO 12233 resolution chart . 18

Table 1 – Types of event data . 11
Table 2 – Mandatory event data items . 11
Table 3 – Optional event data items . 12
Table 4 – Operating voltage of EVDR under test . 13
Table 5 – Vibration condition . 15
Table 6 – Shock condition . 15
Table B.1 – Assignment of product identification number . 17

---------------------- Page: 5 ----------------------
– 4 – IEC 63005-1:2017 © IEC 2017
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

EVENT VIDEO DATA RECORDER FOR ROAD VEHICLE ACCIDENTS –

Part 1: Basic requirements

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 63005-1 has been prepared by technical area 17: Multimedia
systems and equipment for cars, of IEC technical committee 100: Audio, video and multimedia
systems and equipment.
The text of this International Standard is based on the following documents:
CDV Report on voting
100/2839/CDV 100/2947/RVC

Full information on the voting for the approval of this International Standard can be found in
the report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.

---------------------- Page: 6 ----------------------
IEC 63005-1:2017 © IEC 2017 – 5 –
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.

---------------------- Page: 7 ----------------------
– 6 – IEC 63005-1:2017 © IEC 2017
INTRODUCTION
There is a distinction between event video data recorder (EVDR) systems and digital
tachographs (DTG, ISO 16844-7), which record vehicle dynamics and the driver’s activities
during the entire driving period. There is also a distinction between EVDR systems and event
data recorders (EDR, IEEE 1616), which record vehicle dynamics and the driver’s activities
before, during and after the event. DTGs and EDRs both have direct connections to the
vehicle's internal signal line, such as in-vehicle network (IVN) or analogue signal line,
whereas direct connection is not required for EVDRs.
EVDR systems are prohibited from serving purposes other than the aforementioned. They
cannot be placed in unapproved areas and/or not record sound.

---------------------- Page: 8 ----------------------
IEC 63005-1:2017 © IEC 2017 – 7 –
EVENT VIDEO DATA RECORDER FOR ROAD VEHICLE ACCIDENTS –

Part 1: Basic requirements



1 Scope
This part of IEC 63005 describes basic requirements for event video data recorders (EVDRs)
for road vehicle accidents, used for identifying and analysing causes of accidents based on
video from a front-mounted camera and other information obtained before and after such
events. In addition to video from a front-mounted camera and vehicle behaviour, these
products can record side and/or rear video data for enhanced functionalities in determining
causes of accidents and analysing collision events.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their
content constitutes requirements 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.
IEC 60068-2-1:2007, Environmental testing – Part 2-1: Tests – Test A: Cold
IEC 60068-2-6, Environmental testing – Part 2-6: Tests – Test Fc: Vibration (sinusoidal)
IEC 60068-2-27:2010, Environmental testing – Part 2-27: Tests – Test Ea and guidance:
Shock
ISO 12233, Photography – Electronic still picture imaging — Resolution and spatial frequency
responses
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1
EVDR for road vehicle accidents
system that stores vehicle video data of the accident on an electronic recording medium
before, during, and after collision accident events with other vehicles, with passers-by and
with any other objects
3.2
event data
information recorded by the EVDR to facilitate analysis of accident scenarios in the case of
collision accident events with other vehicles, pedestrians or objects
Note 1 to entry: The term refers to all videos and additional information before, during, and after collision.

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3.3
video input information
video data before, during, and after collision that contains video data from the front camera
3.4
vehicle dynamics data
information on a vehicle’s dynamic behaviour such as acceleration, angular velocity, and
physical quantities related to collision
3.5
integrity verification value
information used to detect doctoring and/or deletion of event data
3.6
DTG for road vehicles
digital tachograph for road vehicles
device that adheres to guidelines on driving records and devices defined in ISO 16844-7
3.7
EDR for road vehicles
event data recorder for road vehicles
system that adheres to IEEE 1616
3.8
interlinked video data recording system for road vehicle accidents
EVDR system interlinked to the DTG or EDR
3.9
independent EVDR for road vehicle accidents
EVDR that operates independently from a DTG or EDR
4 Abbreviated terms and symbols
For vehicle orientation related symbols, see Figure 1.

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DTG digital tachograph
EDR event data recorder
EVDR event video data recorder
FOV field of view
fps frames per second
g gravitational acceleration
GPS Global Positioning System
GNSS global navigation satellite system
IVN in-vehicle network
SFR spacial frequency response
a acceleration in the X direction (front and rear) in body fixed coordinates
x B
a acceleration in the Y direction (left and right) in body fixed coordinates
y B
a acceleration in the Z direction (vertical) in body fixed coordinates
z B
ψ angular velocity around the Z axis in body fixed coordinates (yaw rate)
B
Y
B
Pitch
X
B
Roll Yaw
Z
B
IEC

Figure 1 – Standard coordinate system of a vehicle equipped
with the EVDR (body fixed coordinates)
5 Types of EVDR
5.1 Classification by security level
EVDRs can be classified into two types listed below depending on the security level.
1) General type: EVDR without video-data integrity-checking function for stored event data.
2) Enhanced security type: EVDR equipped with video-data integrity verification function for
stored event data.
5.2 Classification by interoperability of functions
EVDRs can be classified into two types listed below depending on interoperability with DTG or
EDR.
1) Independent: EVDRs that operate independently from DTGs or EDRs.
2) Interlinked: EVDRs that operate interlinked to DTGs or EDRs.

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6 Functional requirements
6.1 Basic functions of the EVDR for road vehicle accidents
The primary purpose of EVDRs is to record video data before, during and after the event. For
EVDR systems, the direct connection to the vehicle's internal signal line such as the
in-vehicle network (IVN) or the analogue signal line is not required. Only the power line of the
EVDR is connected to the power line of the installed vehicle.
EVDR
Event video
GNSS receiver
Event video data
Input interface
data
Analysis and display
Camera module
(S/W or H/W)
Event decision
making logic
Event video data
GNSS receiver Event video data
recording part
Analysis and display
Event video
data (S/W or H/W)
Camera module
Output interface
IEC

Figure 2 – Basic functions of the EVDR for road vehicle accidents
The EVDR shall have the following basic functions.
a) Input interface function that accepts input from the video acquisition device and the GNSS
receiver; the GNSS receiver and/or video acquisition device can be either included in or
separated from the EVDR main system (see Figure 2).
b) Decision-making function to check the accident event: the EVDR checks if an accident
event has occurred based on the vector sum of acceleration in the X and X directions,
A B
expressed as a and a , or based on the difference of acceleration per unit of time. For
x y
interlinked EVDR systems, the decision-making function to check the accident event can
be located in the interlinked DTG or EDR.
c) Recording and maintaining functions for event video data:
1) general type: safely records and maintains event video data;
2) enhanced security type: safely records and maintains event video data while
preventing doctoring and deletion of the event data.
d) Output interface function to transmit stored event video data: the DTG or EDR of the
interlinked EVDR system can have the following functions. Since the interoperability
function is enabled, the same functions are not required to be included in the EVDR:
1) accident event decision making function;
2) event data recording function;
3) event data storing function;
4) sensor function including GNSS for acquisition of event data.
6.2 Types of event data
6.2.1 General
The types of event data to be recorded by the EVDR are as shown in Table 1.

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Table 1 – Types of event data
Types of event data to be Mandatory event data Optional event data
recorded
Video input information Front camera video (Including Side camera video
video generation time and product
Rear camera video
identification number)
Vehicle behaviour information Acceleration a Yaw angular velocity Ψ
x
Acceleration a
y
Other information Event occurrence time GNSS information

6.2.2 Mandatory event data
The types of event data to be recorded by the EVDR can be classified into "mandatory event
data" and "optional event data." It is essential for EVDRs to record the following "mandatory
event data" listed in Table 2.
Table 2 – Mandatory event data items
Data storing term
Data Minimum
Event data item Resolution measurement sampling
Before After
range rate
event event
Resolving
< −2 g
Acceleration a power 10 s 10 s 20 Hz
x
> 2 g
Vehicle
< 0,01 g
dynamic
Resolving
data < −2 g
Acceleration a power 10 s 10 s 20 Hz
y
> 2 g
< 0,01 g
> 900 K
Resolution -
pixels
Horizontal
a
- > 80°
FOV
Front
Video
camera 10 s 10 s 20 fps
data
Vertical
a
video - > 50°
FOV
Colour/
- Colour
B&W
≤ 1 s
(including
year, month,
Event occurrence time - - - Event-based
day, time,
Other data
minute,
second)
Product identification
- - - - Event-based
number
a
Specifications provided by respective manufacturers take precedence if the above conditions are met. If
external power supply to the EVDR is interrupted due to shock or other unforeseen circumstances, storing
time conditions need not be fulfilled.

Mandatory items to be stored shall have the following specifications:
• Acceleration a : this refers to the acceleration in the longitudinal direction (X direction in
x
the body-fixed coordinate system) of the vehicle. The data storage term shall include 10 s
before the event and 10 s after the event. The sampling rate shall be greater than 20 Hz,
and the resolution shall be finer than 0,01 g.

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• Acceleration a : this refers to the acceleration in the transverse direction (Y direction in
y
the body-fixed coordinate system) of the vehicle. The data storage term shall include 10 s
before the event and 10 s after the event. The sampling rate shall be greater than 20 Hz,
and the resolution shall be finder than 0,01 g.
• Front camera video: this refers to video data recorded by the front camera. The video data
shall be recorded at a resolution greater than 900 000 pixels, the horizontal FOV shall be
greater than 80°, the vertical FOV shall be greater than 50°, and the frame rate shall be
greater than 20 fps. The data storage term shall include 10 s before the event and 10 s
after the event. To maintain the desired frame rate, the sampling rate shall be greater than
20 Hz. However, frames that remain unchanged are not included when counting the
sampling rate.
• Event occurrence time: this is the time at which the event is detected by the
accelerometer(s). The event data for a minimum of three occurrences of events shall be
recorded. Event data to be recorded shall include details on year, month, day, time,
minutes, and seconds, and have a minimum period of 20 Hz. To ensure accurate
recording of event occurrence time, the internal clock of the EVDR shall operate
continuously regardless of the state of the vehicle’s ignition.
• Product identification number: these numbers shall be assigned as specified in Annex B.
6.2.3 Optional event data
Items listed under “optional event data” are given in Table 3.
Table 3 – Optional event data items
Data storing time
Data Minimum
Event data item Resolution measurement sampling
Before After
range rate
event event
Vehicle
−180 °/s ~
Yaw angular
dynamics 0,2 °/s 10 s 10 s 20 Hz
velocity Ψ
180 °/s
data
Side camera
video
Video input > 300 000
- 10 s 10 s 10 fps
data pixels
Rear camera
video
Other data GNSS data - - 10 s 10 s 1 Hz

Items to be stored optionally shall have the following specifications.
• Yaw angular velocity Ψ: this represents the angular velocity around the vertical Z-axis
(Z direction in body-fixed coordinate system) of the vehicle. The data storage term shall
include 10 s before the event and 10 s after the event. The sampling rate shall be greater
than
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