\bibitem{Alcala-Fdez:KEEL}
J. Alcala-Fdez, L. Sanchez, S. Garcia, M. del Jesus, S. Ventura,
J. Garrell, J. Otero, C. Romero, J. Bacardit, V. Rivas, J.
Fernandez and F. Herrera, {\it KEEL: a software tool to assess
evolutionary algorithms for data mining problems}, Journal of
Soft Computing - A Fusion of Foundations, Methodologies and
Applications, {\bf 13}\textbf{(3)} (2009), 307-318.
\bibitem{Andersen:iLBC}
S. Andersen and A. Duric, {\it Internet low bit rate codec (iLBC),IETF draft}, 2002.
\bibitem{Beerends:PESQ}
J. G. Beerends, A. P. Hekstra, A. W. Rix and M. P. Hollier,
{\it Perceptual evaluation of speech quality (PESQ): the new ITU
standard for end-to-end speech quality assessment part II -
psychoacoustic model}, Journal of Audio Eng. Soc., {\bf
50}\textbf{(10)} (2002), 765-778.
\bibitem{Bolot:PLandD}
J. Bolot, {\it Characterizing end-to-end packet delay and loss
in the Internet}, Journal of High-Speed Networks, {\bf
2}\textbf{(3)} (1993), 305-323.
\bibitem{Borella:MIofPL}
M. S. Borella, {\it Measurement and interpretation of Internet
packet loss}, Journal of Communication and Networking, {\bf
2} (2000), 93-102.
\bibitem{Clark:MofBPL}
A. D. Clark, {\it Modeling the effects of burst packet loss and
recency on subjective voice quality}, Proc. of IPTEL2001, New
York, USA, (2001), 123-127.
\bibitem{Cole:VoIP-PM}
R. G. Cole and J. Rosenbluth, {\it Voice over IP performance
monitoring}, Journal of ACM Computing Communication Review, {\bf
31}\textbf{(2)} (2001), 9-24.
\bibitem{Cox:3NSC}
R. Cox, {\it Three new speech coders from the ITU cover a range
of applications}, Journal of IEEE Communications Magazine, {\bf
35}\textbf{(9)} (1997), 40-47.
\bibitem{Demsar:SCCoverMDS}
J. Demsar, {\it Statistical comparisons of classifiers over
multiple data sets}, Journal of Machine Learning Research, {\bf
7} (2006), 1-30.
\bibitem{Eftekhari:CFRforNSM}
M. Eftekhari and S. D. Katebi, {\it Extracting compact fuzzy rules
for nonlinear system modeling using subtractive clustering, GA
and unscented filter}, Journal of Applied Mathematical Modeling,
{\bf 32} (2008), 2634-2651.
\bibitem{Eftekhari:TFM-DE}
M. Eftekhari, S. D. Katebi, M. Karimi and A. H. Jahanmiri, {\it
Eliciting transparent fuzzy model using differential evolution},
Journal of Applied Soft Computing , {\bf 8} (2008), 466-476.
\bibitem{Garcia:E-SCCoverMDS}
S. Garcia and F. Herrera, {\it An Extension on statistical
comparisons of classifiers over multiple data sets for all
pairwise comparisons}, Journal of Machine Learning Research,
{\bf 9} (2008), 2677-2694.
\bibitem{Herrera:GFS}
F. Herrera, {\it Genetic fuzzy systems: taxonomy, current
research trends and prospects}, Journal of Evolutionary
Intelligence, {\bf 1}\textbf{(1)} (2008), 27-46.
\bibitem{ITU:P.50}
International Telecommunication Union, {\it Objective measuring
apparatus, Appendix 1: test signals}, ITU-T Recommendation
P.50, 1998.
\bibitem{ITU:MOS}
International Telecommunication Union, {\it Mean opinion score (MOS) terminology},
ITU-T Recommendation P.800.1, 2003.
\bibitem{ITU:PESQ}
International Telecommunication Union, {\it Perceptual
evaluation of speech quality (PESQ), an objective method for
end-to-end speech quality assessment of narrow-band telephone
networks and speech codecs}, ITU-T Recommendation P.862, 2001.
\bibitem{ITU:H323}
International Telecommunication Union, {\it Packet based
multimedia communications systems}, ITU-T Recommendation H.323,
1998.
\bibitem{ITU:E-MODEL}
International Telecommunication Union, {\it The E-model, a
computational model for use in transmission planning}, ITU-T
Recommendation G.107, 2000.
\bibitem{ITU:P800}
International Telecommunication Union, {\it Methods for
subjective determination of transmission quality}, ITU-T
Recommendation P.800, 1996.
\bibitem{Jang:ANFIS}
J. S. R. Jang, {\it ANFIS: adaptive network-based fuzzy
inference systems}, Journal of IEEE Transactions on System, Man
and Cybernetics, {\bf 23} (1993), 665-685.
\bibitem{Jang:NFandSC}
J. S. R. Jang, C. T. Sun and E. Mizutani, {\it Neuro-fuzzy and soft
computing}, Prentice Hall, Engleeood Cliffs, 1977.
\bibitem{Jiang:PLandD}
W. Jiang and H. Schulzrinne, {\it Modeling of packet loss and
delay and their effect on real-time multimedia service quality},
Proc. of Int.Workshop Network and Operating Systems Support for
Digital Audio and Video NOSSDAV, Chapel Hill, NC, 2000.
\bibitem{Kurose:CN-TD}
J. F. Kurose and K. W. Ross, {\it Computer networking: a top-down
approach featuring the Internet}, Pearson Addison-Wesley, 2000.
\bibitem{Markopoulou:VoIPQ-IB}
A. P. Markopoulou, F. A. Tobagi and M. Karam, {\it Assessment
of VoIP quality over Internet backbones}, Proc. of IEEE Infocom,
(2002), 150-159.
\bibitem{Nelles:NSI}
O. Nelles, {\it Nonlinear system identification: from classical
approaches to neural networks and fuzzy models}, Springer, Berlin
Heidelberg, 2000.
\bibitem{Perkins:PLRforSA}
C. Perkins, O. Hodson and V. Hardman, {\it A survey of packet
loss recovery techniques for streaming audio}, Journal of IEEE
Network, {\bf 12} (1998), 40-48.
\bibitem{Rahdari:FM-GANF}
F. Rahdari and M. Eftekhari, {\it Developing fuzzy models for
estimating quality of VoIP using a hybrid of GA and
neuro-fuzzy}, Proc. of 2nd Int. Conf. on Contemporary Issues in
Computer and Information Sciences (CICIS), Zanjan, Iran, (2011),
197-201
\bibitem{Rahdari:VQ-NF}
F. Rahdari and M. Eftekhari, {\it Modeling the perceived voice
quality for VoIP system based on Neuro-Fuzzy}, Proc. of Int.
Conferences on Computer and knowledge Engineering (ICCKE),
Mashhad, Iran, (2011), 81-86
\bibitem{Rahdari:BCforQVoIP}
F. Rahdari and M.Eftekhari, {\it Using bayesian classifiers for
estimating quality of VoIP}, Proc. of 16th CSI Int. symposium on
Artificial Intelligence and Signal Processing (AISP), Shiraz,
Iran, (2012), 348-353.
\bibitem{Raja:NIQE-GP}
A. Raja, R. Azad, C. Flanagan and C. Ryan, {\it Non-intrusive
quality evaluation of VoIP using genetic programming}, Proc. of
1st Int. Conference on Bio- inspired Models of Network,
Information and Computing Systems, (2006), 1-8
\bibitem{Rosenberg:SIP}
J. Rosenberg, H. Schulzrinne, G. Camarillo, A. Johnston, J.
Peterson, R. Sparks, M. Handley and E. Schooler, {\it
SIP: Session Initiation Protocol}, RFC 3261, 2002.
\bibitem{Sanchez:RSMforIFM}
L. Sanchez, {\it A random sets-based method for identifying
fuzzy models}, Journal of Fuzzy Sets and Systems, {\bf
98}\textbf{(3)} (1998), 343-354.
\bibitem{Sanneek:FMforPL}
H. Sanneek, G. Carle and R. Koodli, {\it A framework model for
packet loss metrics based on run length}, Proc. of SPIE/ACM
SIGMM Multimedia Computing and Networking Conf., 2000.
\bibitem{Schulzrinne:RTP}
H. Schulzrinne, S. Casner, R. Frederick and V. Jacobson, {\it
RTP: a transport protocol for real-time applications}, RFC 1889,
1996.
\bibitem{Sun:SQPforIPNet}
L. Sun and E. Ifeachor, {\it Perceived speech quality prediction
for voice over IP-based networks}, Proc. of IEEE Int. Conf.
Communications ICC02, New York, (2002), 2573-2577.
\bibitem{Sun:VQPinVoIP}
L. Sun and E. Ifeachor, {\it Voice quality prediction models and
their application in VoIP network}, Journal of IEEE Trans. On
Multimedia, {\bf 8}\textbf{(4)} (2006), 809-820.
\bibitem{Sun:SandOunderBL}
L. Sun and E. Ifeachor, {\it Subjective and objective speech
quality evaluation under bursty losses}, Proc. of on-line
Workshop Measurement of Speech and Audio Quality in Networks
(MESAQIN), Prague, Czech, (2002), 25-29
\bibitem{Wang:GFRbyLE}
L. X. Wang and J. M. Mendel, {\it Generating fuzzy rules by learning
from examples}, Journal of IEEE Transactions on Systems, Man and
Cybernetics, {\bf 22}\textbf{(6)} (1992), 1414-1427.
\bibitem{Wang:MTforPCC}
I. Wang and I. H. Witten, {\it Induction of model trees for
predicting continuous classes}, Proc. of 9th European Conf. on
Machine Learning, Czech Republic, (1997), 128-137.