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Comparison of transmitter-based packet-loss recovery techniques for voice transmission
KTH, Superseded Departments, Signals, Sensors and Systems.
KTH, Superseded Departments, Signals, Sensors and Systems.
2004 (English)In: 8th International Conference on Spoken Language Processing, ICSLP 2004, International Speech Communication Association, 2004, p. 641-644Conference paper, Published paper (Refereed)
Abstract [en]

To facilitate real-time voice communication through the Internet, forward error correction (FEC) and multiple description coding (MDC) can be used as low-delay packet-loss recovery techniques. We use both a Gilbert channel model and data obtained from real IP connections to compare the rate-distortion performance of different variants of FEC and MDC. Using identical overall rates with stringent delay constraints, we find that side-distortion optimized MDC generally performs better than Reed-Solomon based FEC. If the channel condition is known from feedback through the Real-Time Control Protocol (RTCP), then channel-optimized MDC can be used to exploit this information, resulting in significantly improved performance.

Place, publisher, year, edition, pages
International Speech Communication Association, 2004. p. 641-644
Keywords [en]
Electric distortion, Error correction, Image coding, Optical communication, Packet loss, Real time control, Signal distortion, Voice/data communication systems, Channel conditions, Delay constraints, Gilbert channel model, Multiple description coding, Packet loss recovery, Rate distortion performance, Real-time control protocol, Real-time voice communications
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:kth:diva-202070Scopus ID: 2-s2.0-85009100493OAI: oai:DiVA.org:kth-202070DiVA, id: diva2:1075122
Conference
8th International Conference on Spoken Language Processing, ICSLP 2004, International Convention CenterJeju, Jeju Island, South Korea, 4 October 2004 through 8 October 2004
Note

QC 20170217

Available from: 2017-02-17 Created: 2017-02-17 Last updated: 2017-02-17Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf