1. J. Allen, M. S. Hunnicut, D. Klatt: From Text to Speech: The MITalk System, Cambridge, USA: Cambridge Univ. Press, 1987.
2. W. Aures: Computational Methods for the Sound of Arbitrary Acoustic Signals – a Contribution to Hearing-Related Sound Analysis, Diss., Techn. Univ. Munich, Germany, 1984 (in German).
3. J. G. Beerends, J. A. Stemerdink:. A perceptual speech-quality measure based on a psychoacoustic sound representation, J. Audio Eng. Soc., 42, 115–123, 1994.
4. J. G. Beerends, A. P. Hekstra, A. W. Rix, M. P. Hollier: Perceptual evaluation of speech Qquality (PESQ), the new ITU standard for end-to-end speech-quality assessment, part II – psychoacoustic model, J. Audio Eng. Soc., 50, 765–778, 2002.
5. J. G. Beerends, J. M. van Vugt: Speech-Quality Degradation Decomposition, 4-th IEEE Benelux Sig. Process. Symp., Hilvarenbeek, The Netherlands, 2004.