In this paper, we address the parametric prediction of speech quality for planning telecommunication networks. More specifically, we propose an extension to the E-model recommended by the International Telecommunication Union in order to better capture the effects of signal processing equipment integrated in the terminals. We propose to use two additional parameters for describing the effects of noise reduction, namely the signal- to-noise ratio improvement during speech and the total noise level reduction. Furthermore, we propose to introduce an additional equipment im pairment factor for describing the speech degradations resulting from imperfect noise reduction. The proposed extensions are analyzed on the basis of data collected with seven modern handsets, and directions for future work are discussed.
Cite as: Möller, S., Kettler, F., Gierlich, H.-W., Côté, N., Raake, A., Wältermann, M. (2010) Extending the E-Model to Better Capture Terminal Effects. Proc. 3rd International Workshop on Perceptual Quality of Systems (PQS 2010), 59-64, doi: 10.21437/PQS.2010-11
@inproceedings{moller10_pqs,
author={Sebastian Möller and Frank Kettler and Hans-Wilhelm Gierlich and Nicolas Côté and Alexander Raake and Marcel Wältermann},
title={{Extending the E-Model to Better Capture Terminal Effects}},
year=2010,
booktitle={Proc. 3rd International Workshop on Perceptual Quality of Systems (PQS 2010)},
pages={59--64},
doi={10.21437/PQS.2010-11}
}