Repair of streaming multimedia with adaptive forward error correction

Kenneth French; Mark Claypool

doi:10.1117/12.448220

12 November 2001 Repair of streaming multimedia with adaptive forward error correction

Kenneth French, Mark Claypool

Proceedings Volume 4518, Multimedia Systems and Applications IV; (2001) https://doi.org/10.1117/12.448220
Event: ITCom 2001: International Symposium on the Convergence of IT and Communications, 2001, Denver, CO, United States

Abstract

Internet multimedia applications have timing constraints that are often not met by TCP, the de facto Internet transport protocol, hence, most multimedia applications use UDP. Since UDP does not guarantee data arrival, UDP flows often have high data loss rates. Network data loss can be ameliorated by the use of Forward Error Compression (FEC), where a server adds redundant data to the flow to help the client repair lost data. However, the effectiveness of FEC depends upon the network burst loss rates, and current FEC approaches are non-adaptive or adapt without effectively monitoring this rate. We propose a Forward Error Correction protocol that explicitly adapts the redundancy to the measured network burst loss rates. Through evaluation under a variety of network conditions, we find our adaptive FEC approach achieves minimal end-to-end delay and low loss rates after repair.

Citation Download Citation

Kenneth French and Mark Claypool "Repair of streaming multimedia with adaptive forward error correction", Proc. SPIE 4518, Multimedia Systems and Applications IV, (12 November 2001); https://doi.org/10.1117/12.448220

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