CONTENTS

 1     Introduction
 2     Scope
 3     References
 4     Experimental design
        4.1     Basic approach and factors to be investigated
        4.2     Stimuli used in conversational tests
        4.3     Test conditions and experimental design
        4.4     Subjects
        4.5     Subject training and reference connections
        4.6     Ambient room and equipment characteristics
 5     Solicitation of opinions
Bibliography
Appendix I – Examples of tasks and stimuli for conversation
        I.1     Stimuli for conversation
        I.2     Tasks to evaluate the effects of speech delay on communication quality
        I.3     Tasks to evaluate the effects of audiovisual delay on communication quality
        I.4     Task to evaluate the synchronization between audio and video signals
Appendix II – Protocols for the stimuli for conversation
       II.1     Protocol for the Name-Guessing task
       II.2     Protocol for the Story-Comparison task
       II.3     Protocol for the Picture-Comparison task
Appendix III – Test condition questionnaire
Appendix IV – Exit questions