ILBC - A linear predictive coder with robustness to packet losses

S. V. Andersen, W. B. Kleijn, R. Hagen, J. Linden, Manohar Murthi, J. Skoglund

Research output: Chapter in Book/Report/Conference proceedingConference contribution

64 Scopus citations


In this paper, we discuss the internet low bit rate codec (iLBC) with an emphasis on the frame-independent long-term prediction. The frame-independent long-term prediction is a method to exploit pitch-lag correlations in the encoding of speech without suffering multiple-frame speech degradation in connection with transmission loss. We present mean opinion scores for the iLBC codec and show by means of signal examples how the nature of degradation in a predictive codec based on frame-independent long-term prediction differs from that of traditional CELP codecs.

Original languageEnglish (US)
Title of host publication2002 IEEE Speech Coding Workshop: A Paradigm Shift Toward New Coding Functions for the Broadband Age, SCW 2002 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages3
ISBN (Electronic)0780375491, 9780780375499
StatePublished - 2002
Externally publishedYes
EventIEEE Speech Coding Workshop, SCW 2002 - Tsukuba City, Ibaraki, Japan
Duration: Oct 6 2002Oct 9 2002


OtherIEEE Speech Coding Workshop, SCW 2002
CityTsukuba City, Ibaraki

ASJC Scopus subject areas

  • Linguistics and Language
  • Computer Vision and Pattern Recognition
  • Human-Computer Interaction
  • Software
  • Language and Linguistics


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