, Methods for Subjective Determination of Transmission Quality, International Telecommunication Union Recommendation P, vol.800, 1996.

, PESQ): An Objective Method for End-to-end Speech Quality Assessment of Narrowband Telephone Networks and Speech Codecs, International Telecommunication Union Recommendation P, Perceptual Evaluation of Speech Quality, vol.862, 2001.

U. Jekosch, Voice and Speech Quality Perception: Assessment and Evaluation, 2005.

A. Raake, Speech Quality of VoIP-Assessment and Prediction, 2006.

S. Möller, Assessment and Prediction of Speech Quality in Telecommunications, 2000.

S. R. Quackenbush, T. P. Barnwell, I. , and M. A. Clements, Objective Measures of Speech Quality, 1988.

W. D. Voiers, Diagnostic Acceptability Measure for Speech Communication Systems, Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP'77), pp.204-207, 1977.

U. Halka and U. Heute, A New Approach to Objective QualityMeasures Based on Attribute-Matching, Speech Communication, vol.11, issue.1, pp.15-30, 1992.

B. C. Moore, C. T. Tan, N. Zacharov, and V. V. Mattila, Measuring and Predicting the Perceived Quality of Music and Speech Int

. Est and . Mos?l-pref, Amp. Att

, Diagnostic information for an example S-WB Database. Abbreviations: 'Cont.' ? Continuous; 'Discont, vol.6

, ? Amplification; 'Att.' ? Attenuation. Subjected to Combined Linear and Nonlinear Distortion, Journal of the Audio Engineering Society, vol.52, issue.12, pp.1228-1244, 2004.

H. W. Gierlich, F. Kettler, S. Poschen, and J. Reimes, A New Objective Model for Wide-and Narrowband Speech Quality Prediction in Communications Including Background Noise, Proc. 16th European Signal Processing Conference (EUSIPCO), 2008.

J. G. Beerends, B. Busz, P. Oudshoorn, J. Van-vugt, K. Ahmed et al., Degradation Decomposition of the Perceived Quality of Speech Signals on the Basis of a Perceptual Modeling Approach, Journal of the Audio Engineering Society, vol.55, issue.12, pp.1059-1074, 2007.

D. Sen, Predicting Foreground SH, SL and BNH DAM Scores for Multidimensional Objective Measure of Speech Quality, Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP'04), vol.1, pp.493-496, 2004.

M. Wältermann, K. Scholz, A. Raake, U. Heute, and S. Möller, Underlying Quality Dimensions of Modern Telephone Connections, Proc. 9th Int. Conf. on Spoken Language Processing, pp.2170-2173, 2006.

B. J. Mcdermott, Multidimensional Analyses of Circuit Quality Judgments, Journal of the Acoustical Society of America, vol.45, issue.3, pp.774-781, 1969.

K. Scholz, M. Wältermann, L. Huo, A. Raake, S. Möller et al., Directness/Frequency Content" for the Instrumental Assessment of Speech Quality, Proc. 9th Int. Conf. on Spoken Language Processing (ICSLP'06), pp.1523-1526, 2006.

L. Huo, M. Wältermann, U. Heute, and S. Möller, Estimation of the Speech Quality Dimension "Discontinuity, Proc. 8th ITGFachbericht-Sprachkommunikation, 2008.

, The E-Model, a Computational Model for Use in Transmission Planning, International Telecommunication Union Recommendation G, vol.107, 1998.

D. Klatt, Prediction of Perceived Phonetic Distance from Critical-band Spectra: A First Step, Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP'82), vol.7, pp.1278-1281, 1982.

, 16 kbit/s Adaptive Differential Pulse Code Modulation (ADPCM), International Telecommunication Union Recommendation G, vol.40, 1990.

E. Zwicker and H. Fastl, Psychoacoustics: Facts and models, 1990.

B. R. Glasberg and B. C. Moore, A Model of Loudness Applicable to Time-Varying Sounds, Journal of the Audio Engineering Society, vol.50, issue.5, pp.331-342, 2002.

M. Wältermann, A. Raake, and S. Möller, Assessment of Speech Quality Dimensions: Methodology, Experiments, Analysis, International Telecommunication Union Contribution COM, pp.12-82, 2009.