Institute for Telecommunication Sciences
the research laboratory of the National Telecommunications and Information Administration

Margaret H. Pinson; Arthur A. Webster; William J. Ingram

Abstract: The quality perception of an audiovisual sequence is heavily influenced by the quality of the audio, the quality of the video, and the audiovisual time synchronization. The questions then arise: what is the relative importance of each factor, and can a model be devised that is generally applicable? Previous work either examined the relative influences of audio and video quality for synchronized video or investigated the quality impact of synchronization errors on unimpaired video sequences. This experiment is a first attempt to combine all three factors into a single experiment, to judge the complex interactions among individual measurements of audio and video quality and synchronization errors.

Keywords: video quality; synchronization; audio quality; subjective testing; audiovisual quality


To request a reprint of this report, contact:

Lilli Segre, Publications Officer
Institute for Telecommunication Sciences
(303) 497-3572
LSegre@ntia.gov

For technical information concerning this report, contact:

Margaret H. Pinson
Institute for Telecommunication Sciences
(303) 497-3579
mpinson@ntia.doc.gov


Disclaimer: Certain commercial equipment, components, and software may be identified in this report to specify adequately the technical aspects of the reported results. In no case does such identification imply recommendation or endorsement by the National Telecommunications and Information Administration, nor does it imply that the equipment or software identified is necessarily the best available for the particular application or uses.

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