1 Scope
2 References
3 Definitions
4 Abbreviations and acronyms
5 Conventions
6 Recommended MOS terminology for audio
6.1 MOS related to listening-only situations
6.2 MOS related to conversational situations
6.3 MOS related to talking situations
6.4 Relationship between some audio MOS qualifiers
7 Recommended MOS terminology for Video
7.1 MOS-VQS
7.2 MOS-VQO
7.3 MOS-VQE
7.4 Relationship between some video MOS qualifiers
8 Recommended MOS terminology for audiovisual
8.1 MOS-AVQS
8.2 MOS-AVQO
8.3 MOS-AVQE
8.4 Relationship between some audiovisual MOS qualifiers