ITU-T G.107 (12/2011)

1 Scope
2 References
3 Definitions
4 Abbreviations and acronyms
5 Conventions
6 The E-model, a computational model for use in transmission planning
6.1 Introduction
6.2 Source code
7 Structure and basic algorithms of the E-model
7.1 Calculation of the transmission rating factor, R
7.2 Basic signal-to-noise ratio, Ro
7.3 Simultaneous impairment factor, Is
7.4 Delay impairment factor, Id
7.5 Equipment impairment factor, Ie
7.6 Advantage factor, A
7.7 Default values
Annex A – Conditions of using the E-model
A.1 Examples of conditions where caution must be exercised when using the E‑model
A.2 Conditions for which the performance of the E-model has been improved by updating from the earlier version
Annex B – Quality measures derived from the transmission rating factor R
Appendix I – Calculation of R from MOSCQE values
Appendix II – Provisional impairment factor framework for wideband speech transmission
Appendix III – Reference implementation of the E-model in ITU-T G.107
Bibliography

Recommendation ITU-T G.107 gives the algorithm for the so-called E-model as the common ITU-T transmission rating model.