Table of Contents - P Suppl. 31 (01/2025) - Subjective quality evaluation of audiovisual communication in videotelephony services

1	Scope
2	References
3	Definitions
	3.1	Terms defined elsewhere
	3.2	Terms defined in this Supplement
4	Abbreviations and acronyms
5	Conventions
6	Non-interactive audiovisual material subjective tests
	6.1	Source stimuli
	6.2	Factors to be investigated and coding simulation
	6.3	Test methods
7	Interactive conversational subjective tests
	7.1	Experiment setting
	7.2	Factors to be investigated in transmission network
	7.3	Test methods
8	Test result analysis and processing
Appendix I – Use case of the subjective evaluation methods in the construction of subjective database for objective quality assessment models
	I.1	Subjective test design
	I.2	Construction and use of subjective test datasets
Appendix II – Reference command for coding simulation
Appendix III – Example of instructions for subjects participating in non-interactive audiovisual material subjective tests
Appendix IV – Reference command for network distortion simulation
Appendix V – Example of instructions for subjects participating in interactive conversational subjective tests
Bibliography