Guidance for Assessing Conversational Speech Transmission Quality Effects Not Covered by the E-Model Series G: Transmission Systems and Media Digital Systems and Networks International Telephone Connections and Circuits - General Definitions Study Group 1
This ITU-T Recommendation is intended to provide guidance on the conversational impairments which are not covered by the E-model and which are thus not included in ITU-T Recommendation G.108 [3]. Those impairments have been investigated thoroughly by ITU-T during the study period 1997-2000.