Performance Evaluation of Synchronization Losses in the Continuous Media Toolkit

Wijesekera, Duminda
Parikh, Shwetal
Varadarajan, Srivatsan
Srivastava, Jaideep
Nerode, Anil
Foresti, Mark
1997
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Performance Evaluation of Synchronization Losses in the Continuous Media Toolkit

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1997

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This paper presents a performance analysis of synchronization services provided by the Berkeley Continuous Media Toolkit (CMT). The quality of audio-video synchronization is measured against processor and network loads for both remote and local clients. The metrics of analysis are the perceptible and tolerable human perceptual limits reported by Steinmetz, and another metric designed to measure synchronization of lossy media streams. It is shown that according to Steinmetz' metric CMT provides imperceptible audio-video mis-synchronization for about 10 seconds, and tolerable synchronization for about 13 seconds from the start of the clips for local clients under low processor loads. It is also shown that under high loads, synchronization is achieved at the cost of losing media frames.

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Computer Science & Engineering (CS&E) Technical Reports

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Technical Report; 97-051

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This work is partially supported by Air Force contract number F30602-96-C-0130 to Honeywell Inc, via subcontract number B09030541/AF to the University of Minnesota and DOD MURI grant DAAH04-96-10341 to Cornell University

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Wijesekera, Duminda; Parikh, Shwetal; Varadarajan, Srivatsan; Srivastava, Jaideep; Nerode, Anil; Foresti, Mark. (1997). Performance Evaluation of Synchronization Losses in the Continuous Media Toolkit. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/215335.

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