�1����
Scope�
�2����
References�
�3����
Definitions��
�4����
Abbreviations and acronyms��������
�5����
Conventions�����
�6����
Basic planning principle����
�7����
The impairment factor method������
�8����
Equipment impairment factor, Ie���
�9����
Quantization distortion unit (qdu)��
Appendix I
� Provisional planning values for the equipment impairment factor, Ie,
and packet‑loss robustness factor, Bpl����
Appendix II
� Considerations concerning the advantage factor A����
������ II.1���� Introduction�����������
������ II.2���� Components of user expectation�����
Appendix
III � Guidelines regarding individual transmission impairment parameters other
than qdu and equipment impairment factor, Ie����
����� III.1���� Attenuation distortion���������
����� III.2���� Group delay distortion��������
����� III.3���� Talker echo�����������
����� III.4���� One-way transmission time�
����� III.5���� Effect of random bit errors�
����� III.6���� Effect of burst errors����������
����� III.7���� Effect of syllable speech clipping�����
Appendix IV
� Provisional planning values for the wideband equipment impairment factor, Ie,wb����
Bibliography����