Adrián Kováč
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View article: E-Model MOS Estimate Precision Improvement and Modelling of Jitter Effects
E-Model MOS Estimate Precision Improvement and Modelling of Jitter Effects Open
This paper deals with the ITU-T E-model, which is used for non-intrusive MOS VoIP call quality estimation on IP networks. The pros of E-model are computational simplicity and usability on real-time traffic. The cons, as shown in our previo…
View article: Impact of network Jitter on effective equipment impairment factor
Impact of network Jitter on effective equipment impairment factor Open
The paper deals with a non-intrusive approach to the speech quality assessment and examines an
\nimpact of network jitter on effective equipment impairment factor in E-model. In order to improve currently
\nused computational E-model (ITU-…
View article: Impact of emotions on fundamental speech signal frequency
Impact of emotions on fundamental speech signal frequency Open
The paper deals with recognition of speeches made in a particular emotional state and examines the
\nimpact of person’s emotional state on the fundamental speech signal frequency. Vocal chords create audio
\nsignals which carry information…
View article: E-model MOS Estimate Improvement through Jitter Buffer Packet Loss Modelling
E-model MOS Estimate Improvement through Jitter Buffer Packet Loss Modelling Open
Proposed article analyses dependence of MOS as a voice call quality (QoS) measure estimated through ITU-T E-model under real network conditions with jitter. In this paper, a method of jitter effect is proposed. Jitter as voice packet time …