ISO/IEC 21000-22:2019

INTERNATIONAL ISO/IEC
STANDARD 21000-22
Second edition
2019-08
Information technology — Multimedia
framework (MPEG-21) —
Part 22:
User Description
Technologies de l'information — Cadre multimédia (MPEG-21) —
Partie 22: Description de l'utilisateur
Reference number
©
ISO/IEC 2019
© ISO/IEC 2019
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
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Published in Switzerland
ii © ISO/IEC 2019 – All rights reserved

Contents
Foreword . xi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 General description . 3
4.1 commonAttributes . 3
4.1.1 Syntax . 3
4.1.2 Semantics . 3
4.1.3 Examples . 3
4.2 ValueTypes . 3
4.2.1 Syntax . 3
4.2.2 Semantics . 5
4.2.3 Examples . 6
4.3 TimeType . 6
4.3.1 Syntax . 6
4.3.2 Semantics . 6
4.3.3 Examples . 7
4.4 ExtendedTimeType . 7
4.4.1 Syntax . 7
4.4.2 Semantics . 7
4.4.3 Examples . 9
4.5 LocationType . 9
4.5.1 Syntax . 9
4.5.2 Semantics . 9
4.5.3 Examples . 9
4.6 ClassificationSchemeAliasType . 10
4.6.1 Syntax . 10
4.6.2 Semantics . 10
4.6.3 Examples . 11
4.7 ObjectType . 11
4.7.1 Syntax . 11
4.7.2 Semantics . 11
4.7.3 Examples . 12
4.8 InformationAccessUserGroup . 12
4.8.1 Syntax . 12
4.8.2 Semantics . 13
5 User description . 13
5.1 UserDescriptionType . 13
5.1.1 Syntax . 13
5.1.2 Semantics . 14
5.2 UserProfileType . 15
5.2.1 Syntax . 16
5.2.2 Semantics . 16
5.2.3 Examples . 16
5.3 PersonProfileType . 16
5.3.1 Syntax . 16
5.3.2 Semantics . 17
5.3.3 Examples . 17
© ISO/IEC 2019 – All rights reserved iii

5.4 OrganizationProfileType . 18
5.4.1 Syntax . 18
5.4.2 Semantics . 18
5.4.3 Examples . 18
5.5 DeviceProfileType . 18
5.5.1 Syntax . 18
5.5.2 Semantics . 19
5.5.3 Examples . 19
5.6 GroupedProfileType . 19
5.6.1 Syntax . 19
5.6.2 Semantics . 20
5.6.3 Examples . 20
5.7 UsageHistoryType . 20
5.7.1 Syntax . 20
5.7.2 Semantics . 21
5.7.3 Examples . 22
5.8 EventType . 22
5.8.1 Syntax . 22
5.8.2 Semantics . 22
. 23
5.8.3 Examples .
5.9 InteractionAtomType . 23
5.9.1 Syntax . 23
5.9.2 Semantics . 24
5.9.3 Examples . 25
5.10 ArtefactType . 25
5.10.1 Syntax . 25
5.10.2 Semantics . 26
5.10.3 Examples . 26
5.11 ObservableType . 26
5.11.1 Syntax . 26
5.11.2 Semantics . 27
5.11.3 Examples . 27
5.12 MultimediaExperienceType . 28
5.12.1 Syntax . 28
5.12.2 Semantics . 28
5.12.3 Examples . 28
5.13 StateType . 30
5.13.1 Syntax . 30
5.13.2 Semantics . 31
5.13.3 Examples . 31
5.14 PreferenceType . 31
5.14.1 Syntax . 32
5.14.2 Semantics . 32
5.15 TextPresentationPreferencesType . 33
5.15.1 Syntax . 34
5.15.2 Semantics . 34
5.15.3 Example . 35
5.16 WebLinkPreferenceType . 35
5.16.1 Syntax . 35
5.16.2 Semantics . 35
5.16.3 Example . 36
5.17 WebLinkUsageHistoryType . 36
5.17.1 Syntax . 36
iv © ISO/IEC 2019 – All rights reserved

5.17.2 Semantics . 36
5.18 ServicePreferenceType . 37
5.18.1 Syntax . 37
5.18.2 Semantics . 37
5.18.3 Examples . 37
5.19 GeneralAudioPreferenceType . 37
5.19.1 Syntax . 37
5.19.2 Semantics . 39
5.19.3 Examples . 39
5.20 AudioPresentationPreferencesType . 39
5.20.1 Syntax . 39
5.20.2 Semantics . 40
5.21 AudioPresentationEnvironmentPreferenceType . 40
5.21.1 Syntax . 40
5.21.2 Semantics . 41
5.21.3 Examples . 42
5.22 TranslationPreferencesType . 43
5.22.1 Syntax . 43
5.22.2 Semantics . 44
5.22.3 Examples . 44
5.23 SpeechStylePreferenceType . 45
5.23.1 Syntax . 45
5.23.2 Semantics . 45
5.24 GenderType . 45
5.24.1 Syntax . 45
5.24.2 Semantics . 45
5.24.3 Examples . 46
5.25 EmotionType. 46
5.25.1 Syntax . 46
5.25.2 Semantics . 47
5.25.3 Examples . 48
5.26 ScheduleType . 49
5.26.1 Syntax . 49
5.26.2 Semantics . 49
5.27 ScheduleEventType . 49
5.27.1 Syntax . 50
5.27.2 Semantics . 50
5.27.3 Examples . 51
5.28 ActivityType . 51
5.28.1 Syntax . 51
5.28.2 Semantics . 52
5.28.3 Examples . 54
5.29 IntentionType . 54
5.29.1 Syntax . 54
5.29.2 Semantics . 55
5.29.3 Examples . 55
5.30 LanguageType . 55
5.30.1 Syntax . 55
5.30.2 Semantics . 56
5.30.3 Examples . 58
5.31 LanguageCompetenceReferenceType . 60
5.31.1 Syntax . 60
5.31.2 Semantics . 60
© ISO/IEC 2019 – All rights reserved v

5.32 CompetenceLevelType . 61
5.32.1 Syntax . 61
5.32.2 Semantics . 61
5.33 AccessibilityType . 61
5.33.1 Syntax . 61
5.33.2 Semantics . 62
5.33.3 Examples . 62
5.34 SocialInformationType . 63
5.34.1 Syntax . 63
5.34.2 Semantics . 64
5.35 KnowledgeType . 64
5.35.1 Syntax . 64
5.35.2 Semantics . 65
5.36 ObjectSharingType . 66
5.36.1 Syntax . 66
5.36.2 Semantics . 67
5.36.3 Examples . 67
5.37 ObjectAccessibilityType . 67
5.37.1 Syntax . 67

5.37.2 Semantics . 68
5.37.3 Examples . 68
5.38 UsagePatternType . 68
5.38.1 Syntax . 68
5.38.2 Semantics . 68
5.38.3 Examples . 69
5.39 LoudnessPreferencesType . 69
5.39.1 Syntax . 69
5.39.2 Semantics . 71
5.40 VisualExpressionType . 71
5.40.1 Syntax . 71
5.40.2 Semantics . 73
5.41 BaseUserType . 73
5.41.1 Syntax . 73
5.41.2 Semantics . 73
6 Context description . 74
6.1 ContextDescriptionType . 74
6.1.1 Syntax . 74
6.1.2 Semantics . 75
6.1.3 Examples . 76
6.2 ContextIdentificationType . 76
6.2.1 Syntax . 77
6.2.2 Semantics . 77
6.2.3 Examples . 77
6.3 DeviceCharacteristicsType . 77
6.3.1 Syntax . 77
6.3.2 Semantics . 78
6.3.3 Examples . 78
6.4 NetworkInfoType. 79
6.4.1 Syntax . 79
6.4.2 Semantics . 80
6.4.3 Examples . 80
6.5 WeatherType . 80
6.5.1 Syntax . 80
vi © ISO/IEC 2019 – All rights reserved

6.5.2 Semantics . 81
6.5.3 Examples . 82
6.6 OtherEnvironmentalInfoType . 82
6.6.1 Syntax . 83
6.6.2 Semantics . 83
6.7 AudioEnvironmentType . 83
6.7.1 Syntax . 83
6.7.2 Semantics . 84
6.8 RecordingEnvironmentType . 84
6.8.1 Syntax . 84
6.8.2 Semantics . 84
6.8.3 Examples . 84
6.9 LoudnessEnvironmentType . 85
6.9.1 Syntax . 85
6.9.2 Semantics . 87
6.10 VisualExpressionType . 88
6.10.1 Syntax . 88
6.10.2 Semantics . 89
6.11 BaseContextType . 89

6.11.1 Syntax . 89
6.11.2 Semantics . 89
6.12 ContextDescriptionType. 90
6.12.1 Syntax . 90
6.12.2 Semantics . 91
7 Sevice description . 92
7.1 BaseServiceType . 92
7.1.1 Syntax . 92
7.1.2 Semantics . 92
7.2 ServiceDescriptionType . 92
7.2.1 Syntax . 93
7.2.2 Semantics . 93
7.3 ServiceGeneralInformationType . 94
7.3.1 Syntax . 94
7.3.2 Semantics . 95
7.4 ServiceTargetInformationType . 95
7.4.1 Syntax . 95
7.4.2 Semantics . 96
7.5 ServiceTargetModelType . 96
7.5.1 Syntax . 96
7.5.2 Semantics . 97
7.6 VocabularySetType.
...