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ITU P.920:2000

ITU P.920:2000 Interactive Test Methods For Audiovisual Communications Describes interactive evaluation methods for quantifying the impact of terminal and communication link performance on point-to-point or multipoint audiovisual communications.

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Table of Contents

1Scope
2References
3Experimentaldesign
3.1Basicapproachandfactorstobeinvestigated
3.2Stimuliusedinconversationaltests
3.3Testconditionsandexperimentaldesign
3.4Subjects
3.5Subjecttrainingandreferenceconnections
3.6Ambientroomandequipmentcharacteristics
4Solicitationofopinions
AppendixI-Examplesoftasksandstimulifor
conversation
I.1Stimuliforconversation
I.2Taskstoevaluatetheeffectsofspeech
delayoncommunicationquality
I.3Taskstoevaluatetheeffectsofaudiovisual
delayand/ortransmissionerrorson
communicationquality
I.4Tasktoevaluatethesynchronizationbetween
audioandvideosignals
AppendixII-Protocolsforthestimuliforconversation
II.1ProtocolfortheName-Guessingtask
II.2ProtocolfortheStory-Comparisontask
II.3ProtocolforthePicture-Comparisontask
II.4Protocolforthebuildingblockstask
II.5Protocolfortheobject-descriptiontask
AppendixIII-Testconditionquestionnaire
AppendixIV-Exitquestions
AppendixV-Bibliography

Abstract

Describes interactive evaluation methods for quantifying the impact of terminal and communication link performance on point-to-point or multipoint audiovisual communications.

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