The ITU-T Recommendation for low-delay code excited linear prediction (LD-CELP) coding and compression of 3.3 kHz voice at 16 kbps. See also compression, G Series, ITU-T, and LD-CELP.
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An ITU standard for speech codecs that uses the LD-CELP method and provides near toll quality audio at 16 Kbps. See G. standards.