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2006

Generic forward error correction of short frames for IP streaming applications

9 years 2 months ago
Generic forward error correction of short frames for IP streaming applications
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...
Jari Korhonen, Yicheng Huang, Ye Wang
Added 14 Dec 2010
Updated 14 Dec 2010
Type Journal
Year 2006
Where MTA
Authors Jari Korhonen, Yicheng Huang, Ye Wang
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