prEN IEC 60645-7:2024
(Main)Electroacoustics - Audiometric equipment - Part 7: Instruments for the measurement of auditory evoked potentials
Electroacoustics - Audiometric equipment - Part 7: Instruments for the measurement of auditory evoked potentials
Akustik - Audiometer - Teil 7: Geräte zur Messung von akustisch evozierten Potentialen
Electroacoustique - Equipements audiométriques - Partie 7: Instruments pour la mesure des réponses du tronc cérébral à une stimulation auditive
Elektroakustika - Avdiometrična oprema - 7. del: Instrumenti za merjenje slušnih potencialov
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Standards Content (Sample)
SLOVENSKI STANDARD
01-februar-2025
Elektroakustika - Avdiometrična oprema - 7. del: Instrumenti za merjenje slušnih
potencialov
Electroacoustics - Audiometric equipment - Part 7: Instruments for the measurement of
auditory evoked potentials
Akustik - Audiometer - Teil 7: Geräte zur Messung von akustisch evozierten Potentialen
Electroacoustique - Equipements audiométriques - Partie 7: Instruments pour la mesure
des réponses du tronc cérébral à une stimulation auditive
Ta slovenski standard je istoveten z: prEN IEC 60645-7:2024
ICS:
17.140.50 Elektroakustika Electroacoustics
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
29/1189/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 60645-7 ED2
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2024-12-06 2025-02-28
SUPERSEDES DOCUMENTS:
29/1160/CD, 29/1165A/CC
IEC TC 29 : ELECTROACOUSTICS
SECRETARIAT: SECRETARY:
Denmark Ms Lise Aagesen
OF INTEREST TO THE FOLLOWING COMMITTEES: HORIZONTAL FUNCTION(S):
ASPECTS CONCERNED:
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft
for Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of
which they are aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some
Countries” clauses to be included should this proposal proceed. Recipients are reminded that the CDV stage is
the final stage for submitting ISC clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).
TITLE:
Electroacoustics - Audiometric equipment - Part 7: Instruments for the measurement of
auditory evoked potentials
PROPOSED STABILITY DATE: 2025
NOTE FROM TC/SC OFFICERS:
At its meeting April 2024 in Warsaw, IEC/TC 29 took the following decision, doc. 29/1174/DL, refers:
electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions.
You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose without
permission in writing from IEC.
IEC CDV 60645-7 © IEC 2024 – 2 – 29/1189/CDV
DECISION 5
TC 29 decides to proceed with 1CD 60645-7 "Electroacoustics – Audiometric equipment – Part 7:
Instruments for the measurement of auditory evoked potentials" as a CDV with David Canning, UK, as
new project leader with the following target dates:
CDV: 2025-02-28
FDIS: 2026-06-30
Publication: 2026-09-30
IEC CDV 60645-7 © IEC 2024 – 3 – 29/1189/CDV
3 CONTENTS
4 FOREWORD . 4
5 INTRODUCTION . 6
6 1 Scope . 7
7 2 Normative references . 7
8 3 Terms and definitions . 8
9 4 Requirements for specific instruments . 12
10 5 General specifications . 12
11 5.1 Measuring system . 12
12 5.1.1 Units of measurement . 12
13 5.1.2 Measurement range . 13
14 5.1.3 Time resolution . 13
15 5.2 Stimulus system . 13
16 5.2.1 General requirements . 13
17 5.2.2 Stimulus types . 13
18 5.3 Test quality assuring system . 13
19 5.3.1 Recording conditions . 13
20 5.3.2 Response detection . 13
21 5.3.3 Quality estimates . 13
22 5.4 Presentation of results . 14
23 6 Reference signals . 14
24 6.1 General . 14
25 6.2 Reference click . 14
26 6.3 Reference tone-burst . 15
27 6.4 Reference broadband chirp . 15
28 6.5 Reference octave-band chirps. 16
29 7 Calibration and measurement of short-duration signals . 16
30 8 Demonstration of conformity with specifications . 17
31 8.1 General . 17
32 8.2 Signal-to-noise ratio improvement . 17
33 8.3 Maximum permitted expanded uncertainty of measurements U . 17
max
34 9 General requirements . 18
35 9.1 Marking . 18
36 9.2 Instruction manual . 18
37 9.3 Safety requirements . 18
38 9.3.1 General . 18
39 9.3.2 Immunity to power and radiofrequency fields . 18
40 9.4 Warm-up time . 18
41 9.5 Voltage supply variation and environmental conditions . 18
42 9.5.1 Mains operation . 18
43 9.5.2 Battery operation . 18
44 9.5.3 Environmental conditions . 18
45 10 Periodic calibration . 19
46 Annex A (informative) Relationship between tolerance interval, corresponding
47 acceptance interval and the maximum permitted uncertainty of measurement . 20
48 Bibliography . 21
IEC CDV 60645-7 © IEC 2024 – 4 – 29/1189/CDV
50 INTERNATIONAL ELECTROTECHNICAL COMMISSION
51 ____________
53 ELECTROACOUSTICS – AUDIOMETRIC EQUIPMENT
55 Part 7: Instruments for the measurement of auditory evoked potentials
58 FOREWORD
59 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
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87 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
88 indispensable for the correct application of this publication.
89 9) IEC draws attention to the possibility that the implementation of this document may involve the use of (a)
90 patent(s). IEC takes no position concerning the evidence, validity or applicability of any claimed patent rights in
91 respect thereof. As of the date of publication of this document, IEC had not received notice of (a) patent(s), which
92 may be required to implement this document. However, implementers are cautioned that this may not represent
93 the latest information, which may be obtained from the patent database available at https://patents.iec.ch. IEC
94 shall not be held responsible for identifying any or all such patent rights.
95 IEC 61252 has been prepared by IEC technical committee 29: Electroacoustics. It is an
96 International Standard.
97 This second edition cancels and replaces the first edition published in 2009 and the third edition
98 of IEC 60645-3, published in 2020. This edition constitutes a technical revision.
99 This edition includes the following significant technical changes with respect to the previous
100 edition:
101 a) The contents of IEC 60645-3:2020, Electroacoustics – Audiometric equipment – Part 3: Test
102 signals of short duration have been incorporated into this standard to bring it in line with
103 other parts of IEC 60645, where the specification of the instrument and the associated test
104 stimuli are included together in the same standard.
105 The text of this International Standard is based on the following documents:
IEC CDV 60645-7 © IEC 2024 – 5 – 29/1189/CDV
Draft Report on voting
XX/XX/FDIS XX/XX/RVD
107 Full information on the voting for its approval can be found in the report on voting indicated in
108 the above table.
109 The language used for the development of this International Standard is English.
110 This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
111 accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
112 at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
113 described in greater detail at www.iec.ch/publications.
114 The committee has decided that the contents of this document will remain unchanged until the
115 stability date indicated on the IEC website under webstore.iec.ch in the data related to the
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