oSIST prEN IEC 63087:2025
(Main)Assistive listening devices and systems for active assisted living
Assistive listening devices and systems for active assisted living
Hörassistenzgeräte und -systeme für Active Assisted Living – Teil 1: Allgemeines
Dispositifs et systèmes d'aide à l'audition pour l'assistance à l'autonomie à domicile
Pomožni slušni aparati in sistemi za aktivno življenje s pomočjo
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Standards Content (Sample)
SLOVENSKI STANDARD
01-julij-2025
Pomožni slušni aparati in sistemi za aktivno življenje s pomočjo
Assistive listening devices and systems for active assisted living
Dispositifs et systèmes d'aide à l'audition pour l'assistance à l'autonomie à domicile
Ta slovenski standard je istoveten z: prEN IEC 63087:2025
ICS:
11.180.15 Pripomočki za gluhe osebe in Aids for deaf and hearing
osebe z okvaro sluha impaired people
33.160.30 Avdio sistemi Audio systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
100/4305/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 63087 ED1
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2025-05-02 2025-07-25
SUPERSEDES DOCUMENTS:
100/4158/CD, 100/4211/CC
IEC TA 20 : ANALOGUE AND DIGITAL AUDIO
SECRETARIAT: SECRETARY:
Japan Mr Nobukazu Suzuki
OF INTEREST TO THE FOLLOWING COMMITTEES: HORIZONTAL FUNCTION(S):
TC 29
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:
Assistive listening devices and systems for active assisted living
PROPOSED STABILITY DATE: 2028
NOTE FROM TC/SC OFFICERS:
**
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
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IEC CDV 63087 IEC:2025 – 2 –
1 CONTENTS
2 1 Scope . 9
3 2 Normative references . 9
4 3 Terms, definitions, and acronyms . 9
5 4 Objectives of an ALS as required by the end user . 15
6 4.1 End user expectations and requirements for equipment, audio quality,
7 latency, signal level and system interconnection . 15
8 4.2 Types of system, signal sources and end user requirements for AV
9 Interconnection . 15
10 4.3 Audio Provision – End user requirements for quality, latency, signal level and
11 level control . 18
12 4.3.1 Audio delay and latency. 18
13 4.3.2 Signal Level and consistency . 18
14 4.3.3 General . 18
15 4.4 Awareness, Education and Handling of Complaints – End user requirements . 18
16 5 System Design . 18
17 5.1 Overview . 18
18 5.2 Purpose and use of the system . 20
19 5.3 Site Survey. 20
20 5.4 Coverage . 20
21 5.5 Access limitations and Privacy . 20
22 5.6 Sound Quality & Intelligibility . 21
23 5.6.1 High Quality (A) . 21
24 5.6.2 Good Quality (B) . 21
25 5.6.3 Fair Quality (C) . 21
26 5.6.4 Signal level and bandwidth . 22
27 5.6.5 Signal delay and latency . 23
28 5.6.6 Speech intelligibility . 23
29 5.7 System Design . 23
30 6 Signal Sources – AV Interconnection . 24
31 6.1 General . 24
32 6.2 Local AV sources . 24
33 6.2.1 Use and Siting of Microphone Sources . 24
34 6.2.2 ALS – Use of ambience microphone(s) and confidence signal . 25
35 6.3 Integration of ALS with Sound Reinforcement Public Address Systems . 25
36 6.4 Interconnection of ALS with a Voice Alarm or Emergency Communication
37 Systems . 26
38 7 ALS transmitters . 26
39 8 ALS receivers and neckloops . 27
40 8.1 Introduction . 27
41 8.2 Requirements for receivers and neckloops used with ALS . 27
42 8.3 Required Information . 28
43 8.3.1 Receivers – Audio information . 28
44 8.3.2 Receivers – User, control, and display information . 28
45 8.3.3 Neckloops – Audio information . 28
46 8.3.4 ALS Listening Devices . 29
47 9 Venue or facility provision and user requirements . 29
48 9.1 General . 29
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IEC CDV 63087 IEC:2025 – 3 –
49 9.2 Staff awareness & training . 30
50 9.3 Signage . 30
51 9.4 Monitoring and Maintenance . 31
52 10 Awareness, Education and Handling of Complaints . 32
53 11 System Compliance, Testing and Certification . 33
54 11.1 Overview . 33
55 11.2 General . 33
56 11.3 Room and equipment layout . 34
57 11.4 Subjective Assessment . 34
58 11.5 Objective Assessment . 35
59 11.5.1 System Noise . 35
60 11.5.2 Magentic Noise . 35
61 11.5.3 Coverage . 36
62 11.5.4 Frequency response . 36
63 11.5.5 Latency . 36
64 11.5.6 Objective Speech Intelligibility (STI) . 37
65 11.6 Access limitations and privacy . 37
66 11.7 Signage . 37
67 Annex A Assistive Listening Systems - Technology overview (Informative) . 38
68 A.1 Hearing Loops . 38
69 A.2 Infra-red . 38
70 A.3 FM wireless systems . 39
71 A.4 Audio over Wi-Fi . 40
72 A.5 Auracast . 40
73 Annex B ALS Formats for different venues and applications (Normative) . 43
74 B.1 Large Area Systems: Types 1A – 1E . 43
75 B.1.1 Large Area System - Type 1A – with sound system operator . 43
76 B.1.2 Large Area System - Type 1B/1C – without sound system . 43
77 B.1.3 Large Area System - Type 1D – with simple sound system . 43
78 B.1.4 Large Area System - Type 1E – with simple sound system . 44
79 B.2 Large Area System - Type 2 – classroom & soundfield systems . 44
80 B.3 Large Area System: Type 3 – Stadiums and Arenas . 44
81 B.4 Large Area System: Type 4 – Meeting rooms without a sound system . 45
82 B.5 Large Area System: Type 5 – Infotainment venues . 45
83 B.6 Large Area System: Type 6 – Concourses and malls . 46
84 B.7 Large Area System: Type 7 – Museum exhibits . 46
85 B.8 Large Area System: Type 8 – Tour Guide systems . 46
86 B.9 Small Area System: Type 9 – Transportation – On-board Communication and
87 Information . 46
88 B.10 Small Area System: Type 10 – Transportation – On-board Infotainment . 46
89 B.11 Small Area System: Type 11 – Transportation – On-board Communication. 46
90 B.12 Small Area System: Type 12 – Help points, intercoms & safety refuges . 46
91 B.13 Small Area System: Type 13 – Service Points & Information Desks . 47
92 B.14 Portable & temporary small area systems . 47
93 B.15 Temporary Area coverage systems - . 48
94 B.16 Domestic systems . 48
95 B.17 Personal Systems - Type 14 – Communication . 48
96 Annex C Personal Listeners (Informative) . 49
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IEC CDV 63087 IEC:2025 – 4 –
97 C.1 Personal Systems - Communication . 49
98 C.1.1 General . 49
99 C.1.2 Types of personal listener, hearables and remote wireless
100 microphones . 49
101 C.2 Streaming Audio . 51
102 Annex D ALS Design Checklists (Informative) . 52
103 Annex E Assessment Report (Normative) . 55
104 E.1 Room / space & Equipment Layout . 55
105 E.2 Acoustic Noise - Ambient level .
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