�1���� Scope����������
�2���� References
�3���� Definitions�
������� 3.1���� Terms defined elsewhere��������
������� 3.2���� Terms defined in this Recommendation������������
�4���� Abbreviations and acronyms�������������
�5���� Conventions�������������
�6���� The E-model, a computational model for use in transmission planning�����������
������� 6.1���� Introduction���
�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����
Appendix IV � Use of the E-model in conjunction with noise reduction or echo
canceller systems in the network or the terminal equipment����
Bibliography����