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IEICE TRANSACTIONS on Communications

A Performance Comparison of Single-Stream and Multi-Stream Approaches to Live Media Synchronization

Shuji TASAKA, Yutaka ISHIBASHI

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Summary :

This paper presents a performance comparison between the single-stream and the multi-stream approaches to lip synchronization of live media (voice and video). The former transmits a single transport stream of interleaved voice and video, while the latter treats the two media as separate transport streams. Each approach has an option not to exert the synchronization control at the destination, which leads to four basic schemes. On an interconnected ATM-wireless LAN, we implemented the four basic schemes with RTP/RTCP on top of UDP and two variants which exercise dynamic resolution control of JPEG video. Making the performance measurement of the six schemes, we compare them to identify and evaluate advantages and disadvantages of each approach. We then show that the performance difference between the two approaches is small and that the dynamic resolution control improves the synchronization quality.

Publication
IEICE TRANSACTIONS on Communications Vol.E81-B No.11 pp.1988-1997
Publication Date
1998/11/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Issue on Performance and Quality of Service (QoS) of Multimedia Networks)
Category
Media Management

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