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International
Standard
ISO/IEC 23773-1
First edition
Information technology —
2024-07
User interfaces for automatic
simultaneous interpretation
systems —
Part 1:
General
Technologies de l'information — Interfaces utilisateur pour les
systèmes d'interprétation simultanée automatique —
Partie 1: Généralités
Reference number
© ISO/IEC 2024
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© ISO/IEC 2024 – All rights reserved
ii
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Abbreviated terms . 2
5 General description of automatic simultaneous interpretation . 2
6 Service flows and scenarios of automatic simultaneous interpretation systems . 2
6.1 Service situations .2
6.2 Service flows and scenarios .4
7 General functions of automatic simultaneous interpretation systems . 5
Bibliography . 7
© ISO/IEC 2024 – All rights reserved
iii
Foreword
ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that are
members of ISO or IEC participate in the development of International Standards through technical
committees established by the respective organization to deal with particular fields of technical activity.
ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations,
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The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of document should be noted. This document was drafted in accordance with the editorial rules of the ISO/
IEC Directives, Part 2 (see www.iso.org/directives or /members_experts/refdocs).
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Organization (WTO) principles in the Technical Barriers to Trade (TBT) see www.iso.org/iso/foreword.html.
In the IEC, see /understanding-standards.
This document was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology,
Subcommittee SC 35, User interfaces.
A list of all parts in the ISO/IEC 23773 series can be found on the ISO and IEC websites.
Any feedback or questions on this document should be directed to the user’s national standards
body. A complete listing of these bodies can be found at www.iso.org/members.html and
/national-committees.
© ISO/IEC 2024 – All rights reserved
iv
Introduction
Communication between users of different languages is a global trend that is increasing. Real-time, automatic
simultaneous interpretation is needed for different applications such as video calls, live lecture translation
and wearable translation devices. Market demands for real-time automatic simultaneous interpretation
of free-style continuous utterances in the travel sector, global event management, phone calls, lectures or
meetings are also increasing. A standardized user interface (UI) for automatic simultaneous interpretation
systems fulfils these different needs for communication.
The ISO/IEC 23773 series consists of the following parts:
ISO/IEC 23773-1 (this document) provides a general description of automatic simultaneous interpretation
systems designed to interoperate among different natural languages for spontaneous speech and texts.
ISO/IEC 23773-2 provides the requirements and functional components for the UI of automatic simultaneous
interpretation systems.
ISO/IEC 23773-3 provides a reference architecture for automatic simultaneous interpretation systems
including functional modules and communication interfaces in a high-level approach.
© ISO/IEC 2024 – All rights reserved
v
International Standard ISO/IEC 23773-1:2024(en)
Information technology — User interfaces for automatic
simultaneous interpretation systems —
Part 1:
General
1 Scope
This document provides the general description of real-time automatic simultaneous interpretation systems
designed to interoperate among different natural languages for spontaneous speech.
While traditional speech to speech machine translation addresses the functional equivalent of consecutive
interpretation, this document focuses on the functional equivalent of simultaneous interpretation.
This document does not cover sign language interpr
...