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Signal Envelop Criterion for Passive Voice Quality Analyzing
Angel Garabitov, Aleksandar Tsenov
Technical University of Sofia 8 Kl. Ohridski Blvd, Sofia 1000 Bulgaria
Abstract: In this work, we have studied the VoIP quality signal waveform analysis. We have presented models for objective prediction of the voice quality for IP networks and also monitor the quality control of VoIP networks. We studied the methods to find the quality of audio. The study has analysed the quality of VoIP connection and indicate during quality decrease. This exercise provided the chance of solving the issues in VoIP network before users are affected by VoIP specific connection problems (echo, noise or breaks in the conversation). The signal waveform envelope distortion is reviewed; practical questions of its numerical implementation are discussed. We supported the study with many illustrations.
Keywords: VoIP Quality, Signal Waveform Analysis Signal Envelop Criterion for Passive Voice Quality Analyzing
DOI:https://doi.org/10.6025/jcl/2021/12/1/9-16
Full_Text   PDF 1.5 MB   Download:   215  times
References:

[1] Black, U. (2000). Voice Over IP, Upper Saddle River, New Jersey: Prentice Hall PTR, 2000.
[2] Cray, A. (1998). Voice Over IP: Hear’s How, 1998.
[3] ITU-T Recommendation P.563.
[4] T-REC-Y.1541 IPDV
[5] P.800: Methods for Subjective Determination of Transmission Quality - ITU -T Recommendation P.800
[6] ITU-T Rec. G.1020
[7] Pennock, S. (2002). Accuracy of the Perceptual Evaluation of Speech Quality (Pesq) Algorithm, Measurement of Speech and Audio Quality in Networks (MESAQIN), 2002.
[8] Sun, L. F., Ifeachor, C. (2002). Subjective and Objective Speech Quality Evaluation Under Bursty Losses, Measurement of Speech and Audio Quality in Networks (MESAQIN), 2002.
[9] Moller, S. (2000). Assessment and Prediction of Speech Quality in Telecommunications, Kluwer Academic Publishers, Boston/Dordrecht/London, 2000, 116-117.
[10] A Linguistic Feature Representation of the Speech Waveform http://www.mit.edu/~mitter/SKM_theses/ 93_9_Eide_PhD.pdf


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