Despite the growing importance of packet switching systems, there is still a shortage of
thorough analyses of VoIP transmission effect on speech and speaker recognition …

PESQ [1], the ITU-T's Perceptual Evaluation of Speech Quality is among the most widely
used objective assessment tools in telecommunications and IP networks. Several …

Pricing is regarded as a solution to congestion control in telecommunication networks. Most
mathematical models involve a so-called utility function accounting for the users' willingness …

We consider open networks of queues with Processor-Sharing discipline and signals. The
signals deletes all the customers present in the queues and vanish instantaneously. The …

LTE (Long Term Evolution) has been developed and standardized by 3GPP (3rd Generation
Partnership Project). It is a packet-switched network. This means voice over LTE (VoLTE) is …

Internet puede considerarse como un gran repositorio de contenidos, utilizado por usuarios
que pueden ser a la vez proveedores y consumidores de contenido diverso y de calidad …

Con el desarrollo del protocolo de red IP se ha generado un crecimiento explosivo de
Internet en los últimos diez o quince años, que ha llevado a la proliferación de múltiples …

In this paper, Genetic Programming (GP) based on symbolic regression approach [1] was
used to design parameter-based speech quality estimation models. In particular, the models …

Speech as a medium for communication has always been important in its ability to convey
our ideas, personality and emotions. It is therefore not strange that Quality of Experience …

We have recently proposed a novel, non–intrusive, real–time approach to measuring the
quality of video streams transmitted over a packet network. The proposed approach takes …