Title: Internet Low Bit Rate Codec (iLBC)
Author(s): S. Andersen, A. Duric, H. Astrom, R. Hagen, W. Kleijn, J. Linden.
Status: EXPERIMENTAL
Date: Dec 2004
Length: 373442
This document specifies a speech codec suitable for robust voice communication over IP. The codec is developed by Global IP Sound (GIPS). It is designed for narrow band speech and results in a payload bit rate of 13.33 kbit/s for 30 ms frames and 15.20 kbit/s for 20 ms frames. The codec enables graceful speech quality degradation in the case of lost frames, which occurs in connection with lost or delayed IP packets.
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