ForewordIntroduction1 Scope2 References3 Definitions, symbols and abbreviations4 Interface Definitions5 Test configurations5 Test configurations5.1 Setup for terminals5.1 Setup for terminals5.1.1 Setup for handset terminals5.1.2 Setup for headset terminals5.1.3 Setup for hands-free terminals5.1.4 Position and calibration of HATS5.1.5 Test setup for quality in the presence of ambient noise measurements5.1.6 Test setup for electrical interfaces5.2 Setup of the electrical interfaces of test equipment5.3 Accuracy of test equipment5.4 Test signals5.5 Void6 Test conditions7 Narrowband telephony transmission performance test methods7.1 Applicability7.2 Overall loss/loudness ratings7.3 Idle channel noise (handset, headset and electrical interface UE)7.4 Sensitivity/frequency characteristics7.5 Sidetone characteristics7.6 Stability loss7.7 Acoustic echo control7.8 Distortion7.9 Void7.10 Delay7.11 Echo control characteristics7.12 Send speech quality and noise intrusiveness in the presence of ambient noise7.13 Jitter buffer management behaviour (handset, headset and electrical interface UE)8 Wideband telephony transmission performance test methods8.1 Applicability8.2 Overall loss/loudness ratings8.3 Idle channel noise (handset, headset and electrical interface UE)8.4 Sensitivity/frequency characteristics8.5 Sidetone characteristics8.6 Stability loss8.7 Acoustic echo control8.8 Distortion8.9 Void8.10 Delay8.11 Echo control characteristics8.12 Send speech quality and noise intrusiveness in the presence of ambient noise8.13 Jitter buffer management behaviour (handset, headset and electrical interface UE)9 Super-wideband telephony transmission performance test methods10 Fullband telephony transmission performance test methodsB.1 GeneralB.2 Test scriptB.3 Reference algorithmC.1 Measurement setupD.1 Test procedureD.2 Clock skew estimation algorithmE.1 GeneralE.2 Simulation model for generating packed delay and loss profilesE.3 Packet delay and loss profiles for simulated stationary operating conditions with DRX 20 ms and DRX 40 msF.1 GeneralF.2 Packet delay and loss profilesG.1 IntroductionG.2 Presence of noise reductionG.3 Presence of echo cancellationH.1 OverviewH.2 Grid Positions 5.5 Void 26.1323GPPRelease 18Speech and video telephony terminal acoustic test specificationTS Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM 5.5.1 Void 5.5.2 Void