%% You should probably cite rfc8251 instead of this I-D. @techreport{ietf-codec-opus-update-04, number = {draft-ietf-codec-opus-update-04}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-codec-opus-update/04/}, author = {Jean-Marc Valin and Koen Vos}, title = {{Updates to the Opus Audio Codec}}, pagetotal = 10, year = 2016, month = oct, day = 21, abstract = {This document addresses minor issues that were found in the specification of the Opus audio codec in RFC 6716 {[}RFC6716{]}.}, }