�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����