[BS1116] ITU-R Recommendation BS.1116. Methods for the Subjective Assessment of Small Impairments in Audio Systems Including Multichannel Sound Systems. 1994.
[BS1284] ITU-R Recommendation BS.1284. Methods for the Subjective Assessment of Sound Quality: General Requirements. 1996.
[BS1534] ITU-R SG10-11 WP10-11Q. Draft New Recommendation ITU-R BS.1534: Method for the Subjective Assessment of Intermediate Audio Quality. Doc. 6/106-E. May 2001.
[CaWT91] Campbell, P., V. C. Welch, and T. Termain . “The DOD 4.8 kbps Standard (Proposed Federal Standard 1016).” Advances in Speech Coding (B. S. Atal, V. Cupermann, and A. Gersho, Eds.), pp. 121–133. Dordrecht, Holland: Kluwer Academic. 1991.
[CEMS97] Contin, L., B. Edler, D. Meares, and P. Schreiner ...