E-model modification for multi-languages over IP
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Author list: Triyason T., Kanthamanon P.
Publication year: 2015
Journal: ELEKTRONIKA IR ELEKTROTECHNIKA (1392-1215)
Volume number: 21
Issue number: 1
Start page: 82
End page: 87
Number of pages: 6
ISSN: 1392-1215
Languages: English-Great Britain (EN-GB)
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Abstract
It is well known that non-intrusive speech quality assessment methods are appropriate for real time monitoring of VoIP traffic. However, previous researches has proved that most of the non-intrusive speech quality assessment methods failed to estimate accurate speech quality using different languages. Consequently, intrusive methods are frequently chosen to provide a more accurate measurement, however they cannot be used for real time VoIP traffic monitoring. In this paper, the technique to enhanced simplified version of ITU-T recommendation G.107 E-model with a language impairment parameter was proposed. The method to estimate the function of language impairment by tuning the E-model with an intrusive objective method, PESQ was presented. The results from statistical analysis show that the modified E-model matches well with PESQ scores in eight languages.
Keywords
speech quality prediction
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