Vocal human-to-human communication is the main purpose for using speech telephony
services. Technological development within traditional and modern packetbased (Voice …

This article presents a new approach to the non-intrusive quality estimation of transmitted
speech. Traditional estimation methods exhibit limitations to providing diagnostic information …

Speech telecommunication systems are most frequently used in conversational situations. In
this regard, assessing the quality of conversational speech is the fundamental requirement …

In this paper, we present and validate a freely available MATLAB Toolbox for imposing
speech signal impairments similar to those occurring in real-world telecommunication …

In this article, we present an approach towards a new nonintrusive speech quality estimator.
The proposed method facilitates the evaluation of speech telephony services and provides …

This article presents the current development of degradation decomposition tools for the
assessment of voice communications. Overall quality scores, represented as Mean Opinion …

Assessing and analyzing the quality of transmitted speech in a conversational situation is an
important topic in current research. For this, a conversation has been separated into three …

Digital music presented as 96 kHz pulse code modulation (PCM) audio is envisaged to
become the future standard audio format for both industry professionals and the consumer …

Technical Causes Analysis (P. TCA) is a method for identifying technical causes of sub-
optimum speech transmission quality. Originally created as an expert procedure for the …

Users' perspectives approach provides an unbiased assessment of Quality of Service (QoS)
of voice offerings in telecommunication networks. This approach is implemented using …