well as G.722.1 Annex C, and Polycom's IP within the new 20 kHz ITU fullband codec, G.719. See also List of codecs Comparison of audio coding formats Wideband audio References External links – technical specification – RTP Payload Format for ITU-T Recommendation G.722.1 Audio codecs Speech codecs Wideband codecs ITU-T recommendations ITU-T G Series Recommendations