Content for TR 26.801 Word version: 18.0.0
4 Report on studies with UEs featuring non-traditional earpieces
4.1 Challenges on conducting objective tests according to 3GPP existing specifications for UEs featuring non-traditional earpieces
4.2 Reports on user studies with UEs featuring Non-traditional earpieces and suitability of existing test equipment
4.3 Acoustic measurements according to 3GPP TS 26.131 and TS 26.132 and additional test cases to complement TS 26.131 and TS 26.132
4.4 Acoustic measurements according to 3GPP TS 26.131 and TS 26.132 with various mounting conditions and test equipment
4.5 HaNTE round robin test in different labs
5 Conclusion
A Tables for the study on suitability of HATS for HaNTE measurements
$ Change history
4 Report on studies with UEs featuring non-traditional earpieces p. 8
4.1 Challenges on conducting objective tests according to 3GPP existing specifications for UEs featuring non-traditional earpieces p. 8
4.2 Reports on user studies with UEs featuring Non-traditional earpieces and suitability of existing test equipment p. 10
4.2.1 On the suitability of HATS for HaNTE measurements p. 10
4.2.1.1 Introduction p. 10
4.2.1.2 Description of experimental apparatus p. 10
4.2.1.3 Description of experimental procedure p. 11
4.2.1.3.1 Wideband objective measurements on HATS p. 11
4.2.1.3.2 Band-passed objective measurements on HATS p. 13
4.2.1.3.3 Subjective loudness matching p. 13
4.2.1.4 Loudness Matching Results p. 14
4.2.1.5 Discussion p. 15
4.2.2 On the impact of handset mounting on HaNTE measurements p. 16
4.3 Acoustic measurements according to 3GPP TS 26.131 and TS 26.132 and additional test cases to complement TS 26.131 and TS 26.132 p. 18
4.3.1 Test setup p. 18
4.3.2 Test results in receiving p. 19
4.3.2.1 WB RLR p. 19
4.3.2.2 WB RFR p. 20
4.3.3 Additional results on user studies and objective measurements p. 21
4.3.4 Discussion p. 25
4.4 Acoustic measurements according to 3GPP TS 26.131 and TS 26.132 with various mounting conditions and test equipment p. 26
4.4.1 Introduction p. 26
4.4.2 Test Setup p. 26
4.4.3 Measurement Results p. 27
4.4.3.1 Device 1 on HATS 1 Measurements p. 27
4.4.3.1.1 Receiver Loudness Rating Results p. 27
4.4.3.1.2 Receiver Sensitivity/Frequency Response Results p. 28
4.4.3.2 Device 1 on HATS 2 Measurements p. 30
4.4.3.3 Device 2 on HATS 1 Measurements p. 30
4.4.3.3.1 Receiver Loudness Rating Results p. 30
4.4.3.3.2 Receiver Sensitivity/Frequency Response Results p. 31
4.4.3.4 Device 2 on HATS 2 Measurements p. 32
4.4.4 Discussion p. 32
4.5 HaNTE round robin test in different labs p. 33
4.5.1 Introduction p. 33
4.5.2 Devices p. 33
4.5.3 Test plan p. 33
4.5.3.1 Overview p. 33
4.5.3.2 Test 1: Speech Quality p. 34
4.5.3.3 Test 2: Privacy p. 35
4.5.3.4 Test 3a: Robustness (variation of ECRP) p. 35
4.5.5.5 Test 3b: Robustness (variation of fork position) p. 36
4.5.4 Results p. 37
4.5.4.1 Preparations p. 37
4.5.4.2 Test 1: Speech Quality p. 42
4.5.4.3 Test 2: Privacy p. 43
4.5.4.4 Test 3a: Robustness (variation of ECRP) p. 46
4.5.4.5 Test 3b: Robustness (variation of fork position) p. 51
4.5.5 Discussion p. 54
5 Conclusion p. 55
A Tables for the study on suitability of HATS for HaNTE measurements p. 57
$ Change history p. 60
