This survey gives a comprehensive review of recent advances related to the topic of VoIP
QoE (Quality of user'Experience). It starts by providing some insight into the QoE arena and …

An important and unsolved problem today is that of automatic quantification of the quality of
video flows transmitted over packet networks. In particular, the ability to perform this task in …

Perceived speech quality is the key metric for QoS in VoIP applications. Our primary aims
are to carry out a fundamental investigation of the impact of packet loss and talkers on …

Traditionally, QoS has been addressed by using network measurements (eg, loss rates and
delays), and little attention has been paid to the quality perceived by end-users of the …

A non-intrusive objective speech quality assessment is performed on a degraded speech
signal. The methods are well suited for systems where random and bursty packet losses …

In accordance with the present invention, a portion of a received media stream is copied
from a data network without interfering with the flow of the data in the network. A known test …

Voice over Internet Protocol (VoIP) is one of the fastest growing technologies in the world. In
VoIP speech signals are transmitted over the same network used for data communications …

The growth of Internet has led to the development of many new applications and
technologies. Voice over Internet Protocol (VoIP) is one of the fastest growing applications …

There is a great demand to assess video quality transmitted in real time over packet
networks, and to make this assessment in real time too. Quality assessment is achieved …

Speech quality evaluation is an important research topic. The traditional way for speech
quality evaluation is using subjective tests. They are reliable, but very expensive, time …