An E-Model Implementation for Speech Quality Evaluation in VoIP Systems

Authors:
Leandro Carvalho;Edjair Mota;Regeane Aguiar;Ana F. Lima;Jose Neuman de Souza;Anderson Barreto
Affiliations:
Federal University of Amazonas;Federal University of Amazonas;Federal University of Amazonas;Federal University of Ceará;Federal University of Ceará;Nokia Institute of Technology
Venue:
ISCC '05 Proceedings of the 10th IEEE Symposium on Computers and Communications
Year:
2005

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Abstract

This article presents a voice quality measurement tool based on the ITU-T E-Model. Firstly, the ITU-T and ETSI specifications of E-Model are briefly reviewed and some errors found in these documents are pointed. After, a measurement tool based on the corrections is described. VoIP calls through the Brazilian National Education and Research Network (RNP) backbone were used to verify the tool operation.