Generic forward error correction of short frames for IP streaming applications

Jari Korhonen, Yicheng Huang, Ye Wang*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


If the frame size of a multimedia encoder is small, Internet Protocol (IP) streaming applications need to pack many encoded media frames in each Real-time Transport Protocol (RTP) packet to avoid unnecessary header overhead. The generic forward error correction (FEC) mechanisms proposed in the literature for RTP transmission do not perform optimally in terms of stability when the RTP payload consists of several individual data elements of equal priority. In this paper, we present a novel approach for generating FEC packets optimized for applications packing multiple individually decodable media frames in each RTP payload. In the proposed method, a set of frames and its corresponding FEC data are spread among multiple packets so that the experienced frame loss rate does not vary greatly under different packet loss patterns. We verify the performance improvement gained against traditional generic FEC by analyzing and comparing the variance of the residual frame loss rate in the proposed packetization scheme and in the baseline generic FEC.

Original languageEnglish
Pages (from-to)305-323
Number of pages19
JournalMultimedia Tools and Applications
Issue number3
Publication statusPublished - Jun 2006


  • Forward error correction (FEC)
  • Interleaving
  • Multimedia streaming
  • Real-time transport protocol (RTP)


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